In Development vs. Under Development: Meaning, Differences, Grammar Rules, and Examples

In Development vs. Under Development explains how two common phrases describe project progress, current status, and the process of ongoing work. English can be a tricky beast when two phrases seem to mean the same thing. At first glance, in development and under development may appear interchangeable, but their context, meaning, tone, and wording influence your choice. Think of choosing the right phrase as walking through a maze, where one step leads toward the right path and another reaches a dead end. During this journey, you should tread carefully through different words and their usage. By dissecting each expression, you can uncover its true essence and understand the difference. Even when you’ve figured out the answer, a twist might be waiting around the corner.

However, there’s no need to lose hope because both expressions are acceptable, widely used, and grammatically correct. Their definitions, grammar, grammar insights, usage patterns, phrase comparison, and common language usage explain their difference, semantic difference, interpretation, and terminology. Understanding these rules makes your final decision easier. In my editing work and editing process, I’ve learned through personal experience that tiny changes can make the right expression more effective. Good wording can strengthen your message, build trust, and improve clarity, giving readers, writers, and people in your audience a better understanding. The phrase in development usually describes something that is still being developed. It highlights the current development stage and status of a project. For example, a new app that programmers are coding or have coded is in development. This phrase highlights the process of being created, created, improved, and improving over time. It focuses on the ongoing development process and shows that work is currently happening. In contrast, under development places greater emphasis on a structured plan, where a project is progressing with proper guidance or being guided along a formal or official path.

A new building designed by architects may remain under construction while construction continues. In this context, the project can also be described as under development. For general work in progress, in development is suitable, while under development works well for projects with a clear plan, visible oversight, and ongoing project development. Both meanings have some overlap, so you can use either expression for nearly any type of project when the context supports it. I’ve noticed in real usage that tiny changes in wording can shape how readers understand ideas. These expressions sometimes signal different levels of formality, oversight, and expectations.

Let’s dive in!

Quick Answer:

In development describes something that’s currently being planned, created, designed, or improved. It often emphasizes the stage a project, product, or idea has reached.

Under development describes something currently undergoing a development process. It often emphasizes the work being carried out to create, improve, or build something.

Consider these examples:

• In development: The company has several new products in development.
• Under development: The company is building a new office complex that’s currently under development.

Both expressions are correct. You can sometimes use them interchangeably, especially when discussing projects or software. However, the surrounding context can make one expression sound more natural.

Comparison Overview

The easiest way to understand these expressions is to compare their meanings, common contexts, and grammatical functions.

Comparison Point	In Development	Under Development
Meaning	Currently being created or improved	Currently undergoing development
Main emphasis	Development stage or status	Ongoing development process
Common usage	Products, ideas, software, research	Buildings, websites, infrastructure, projects
Grammar	Prepositional phrase	Prepositional phrase
Correctness	Grammatically correct	Grammatically correct
Professional usage	Common	Common
Interchangeability	Sometimes interchangeable	Sometimes interchangeable

The main distinction involves emphasis rather than a strict grammatical rule.

For example, a company might describe its upcoming application as in development. A property developer might describe a new residential complex as under development.

Both statements communicate ongoing work. However, each expression fits its context naturally.

What Does In Development Mean?

Definition of In Development

In development means that something is currently being planned, created, designed, tested, or improved. It hasn’t reached its final form or completed stage yet.

The expression commonly describes products, services, business ideas, creative projects, and technological innovations.

For example:

• The new mobile application is still in development.
• Our company has three products in development.
• Her next novel is currently in development.
• Several improvements are in development.

In each example, the phrase indicates that work continues. The final product, idea, or project isn’t ready yet.

However, in development doesn’t necessarily mean that someone is actively working on something every minute. A project might remain in this stage while its team handles planning, testing, funding, or design decisions.

When to Use In Development

You can use in development whenever you want to describe something that’s progressing toward completion.

Here are some common situations where this expression works particularly well.

Products and New Ideas

Businesses frequently use this expression when discussing products that haven’t reached the market.

For example:

• Our latest smartwatch is still in development.
• The company has several innovative products in development.
• A new collection is currently in development.

The phrase helps businesses discuss upcoming products without suggesting they’re ready for customers.

Software and Technology

Software developers often use in development to describe applications, updates, features, and digital tools.

For example:

• The payment feature is in development.
• Our new operating system remains in development.
• The developers have two security updates in development.

A software product can move through several stages before release. These might include planning, design, coding, testing, and refinement.

Calling something in development communicates that it hasn’t reached its final release stage.

Research and Scientific Projects

Researchers also use this expression when discussing studies, experimental methods, and new technologies.

For example:

• A more accurate testing method is in development.
• The research team has a new treatment approach in development.
• Several experimental technologies remain in development.

Here, the expression communicates that researchers are still working toward a usable result.

Business Plans and Creative Projects

You can also use in development for business strategies, marketing campaigns, books, films, and other creative work.

For example:

• The marketing strategy is still in development.
• A documentary about climate change is in development.
• Our new training program is currently in development.

The expression works because these activities require planning, preparation, and refinement before completion.

Examples of In Development in Sentences

The following examples show how to use the expression in everyday and professional writing.

Sentence	Context
The new website is in development.	Website creation
Three products are currently in development.	Product design
The company has a new service in development.	Business
A mobile game is still in development.	Technology
Her latest book is in development.	Writing
The research project remains in development.	Research
Several features are in development.	Software
A new training course is in development.	Education
The film is currently in development.	Entertainment
Our expansion plan is still in development.	Business planning

Notice that the expression works with different subjects. You can describe almost any unfinished project that involves a development process.

What Does Under Development Mean?

Definition of Under Development

Under development means that something is currently undergoing development, construction, creation, or improvement.

The expression often describes buildings, land, websites, infrastructure, systems, and projects that haven’t reached completion.

For example:

• The new shopping center is under development.
• This residential area is currently under development.
• The company website is under development.

Each sentence indicates that development work remains ongoing.

The phrase often appears in professional announcements, property descriptions, construction notices, and website messages.

However, it isn’t limited to physical construction. You can also use it for digital products, business systems, and other projects.

When to Use Under Development

Use under development when you want to communicate that something is undergoing an ongoing development process.

Let’s explore its most common applications.

Buildings and Construction Projects

Construction is one of the most familiar contexts for this expression.

For example:

• A new hospital is under development in the city.
• Several apartment buildings are under development.
• The shopping mall is currently under development.

These examples describe properties or structures that haven’t reached completion.

The phrase can cover different construction stages, including site preparation, structural work, and finishing.

Websites and Digital Platforms

Website owners and developers commonly display under development when their websites aren’t ready for public use.

For example:

• Our website is currently under development.
• The online store remains under development.
• The new customer portal is under development.

You might encounter this phrase on a temporary website page. It tells visitors that the platform is still being built or improved.

Infrastructure and Public Facilities

Government agencies and construction companies also use this expression for public infrastructure.

For example:

• A new highway is under development.
• The railway extension is currently under development.
• Several public parks are under development.

These projects often involve multiple stages and require significant planning, funding, and construction work.

Land and Residential Properties

Real estate listings frequently use under development to describe areas that are undergoing construction or planned improvements.

For example:

• The residential community is under development.
• Several plots are part of an under-development housing project.
• The commercial district remains under development.

In these situations, the phrase helps buyers and investors understand that the property or surrounding development isn’t complete.

Business Systems and Technical Projects

Although people often associate this expression with buildings, it also works for business and technology projects.

For example:

• The company’s new inventory system is under development.
• A redesigned customer dashboard is under development.
• The internal reporting platform remains under development.

The expression communicates that the system is undergoing development rather than operating in its finished form.

Examples of Under Development in Sentences

Here are additional examples showing how the phrase works across different contexts.

Sentence	Context
The new bridge is under development.	Infrastructure
Our website is under development.	Technology
Several apartments are under development.	Real estate
The shopping complex remains under development.	Construction
A new railway line is under development.	Transportation
The business district is under development.	Urban planning
The customer portal is under development.	Software
The hospital expansion is under development.	Healthcare infrastructure
The residential community is under development.	Property
A new management system is under development.	Business technology

These examples demonstrate that under development can describe both physical and digital projects.

Read More: All Is or All Are: Meaning, Grammar Rules, Differences, and Examples

Main Differences Between In Development and Under Development

Although both expressions describe unfinished work, their emphasis can differ. Understanding these distinctions helps you choose more natural wording.

Difference in Meaning

The most noticeable difference involves what each phrase highlights.

In development generally emphasizes the development stage of something. It tells readers that a product, project, or idea hasn’t reached completion.

Under development generally emphasizes the process that something is currently undergoing. It tells readers that development work remains underway.

Consider these examples:

• The new application is in development.
• The new application is under development.

Both sentences are correct. They also communicate nearly the same basic information.

However, the first sounds natural when discussing the application’s development status. The second places slightly more emphasis on the development process itself.

This distinction isn’t absolute. In everyday English, the expressions overlap considerably.

Difference in Usage

The expressions often appear in different contexts, although neither has an exclusive area of use.

In development frequently appears in conversations about:

• New products.
• Software applications.
• Business ideas.
• Creative projects.
• Scientific research.
• Upcoming services.

Under development frequently appears in conversations about:

• Buildings.
• Residential communities.
• Infrastructure.
• Websites.
• Commercial properties.
• Business systems.

For example, a technology company might announce that its next-generation device is in development. A construction company might announce that a new residential complex is under development.

Both expressions can describe either type of project. The difference comes down to common usage and intended emphasis.

Difference in Grammatical Structure

Both expressions function as prepositional phrases.

However, they contain different prepositions and create slightly different constructions.

In Development

The structure is:

• In = preposition.
• Development = noun.

The preposition in indicates a state, stage, or condition.

Example:

• The project is in development.
• Several new features are in development.

Here, the phrase describes the project’s current status.

Under Development

The structure is:

• Under = preposition.
• Development = noun.

The preposition under can indicate an ongoing process, condition, or influence.

Example:

• The building is under development.
• The website remains under development.

Here, the phrase describes something undergoing development.

Neither expression is a verb phrase by itself. The verb is, are, was, or remains commonly connects the subject to the prepositional phrase.

Difference in Tone and Context

Both expressions work in formal and informal communication. However, their usual contexts can influence how readers perceive them.

In development often sounds natural in product announcements, business presentations, and creative discussions.

Example:

“Our new customer support platform is currently in development.”

This statement sounds appropriate in a company update.

Under development often sounds natural in construction notices, property descriptions, and website announcements.

Example:

“The eastern section of the residential community is under development.”

This wording fits a property or construction update.

Remember that these are common preferences rather than strict grammar rules.

In Development vs. Under Development: Comparison Examples

Sometimes, comparing both expressions within similar sentences makes their relationship easier to understand.

In Development	Under Development
The new application is in development.	The new application is under development.
Our latest product is in development.	Our latest product is under development.
The website is in development.	The website is under development.
The research project is in development.	The research project is under development.
The company’s new system is in development.	The company’s new system is under development.

In these examples, both versions are grammatically acceptable.

The intended meaning remains almost identical. Any difference usually involves emphasis, style, or the writer’s preferred expression.

This is important because English doesn’t always provide a strict one-to-one distinction between similar phrases.

Can In Development and Under Development Be Used Interchangeably?

Yes, in development and under development can sometimes be used interchangeably.

Both expressions describe something that hasn’t completed its development process.

For example:

• The new website is in development.
• The new website is under development.

Both sentences tell visitors that the website isn’t finished.

Similarly:

• The new software is in development.
• The new software is under development.

Both statements communicate that developers are still working on the software.

However, interchangeability depends on context.

When They Can Be Interchanged

You can generally use either expression when describing:

• Software applications.
• Business projects.
• Websites.
• New products.
• Organizational systems.
• Research projects.

For example, both sentences sound natural:

“Our new employee management system is in development.”

“Our new employee management system is under development.”

When One Expression May Sound More Natural

Some contexts strongly favor one expression.

For example:

• “The new film is in development” sounds natural in the entertainment industry.
• “The new highway is under development” sounds natural in infrastructure discussions.

You could change either expression in these examples without automatically creating a grammatical error. However, the original wording may sound more familiar to readers.

The important lesson is simple: Choose the phrase that best matches your context rather than following an imaginary absolute rule.

Is In Development or Under Development More Grammatically Correct?

Neither expression is more grammatically correct. Both follow standard English grammar.

The choice depends on the sentence’s meaning, context, and intended emphasis.

Consider these examples:

Correct:

• The new product is in development.
• The new product is under development.
• The building is under development.
• The building is in development.

All four sentences are grammatically possible.

However, some sound more natural than others depending on the intended meaning.

For example, the building is under development commonly suggests an ongoing construction or improvement process. The building is in development can suggest that the building project remains at an earlier planning or development stage.

Neither expression automatically indicates whether construction has started. Additional context may be necessary.

Can You Say Currently In Development?

Yes. Currently in development is a correct and common expression.

Examples:

• The application is currently in development.
• Three new products are currently in development.
• The next software update is currently in development.

The word currently emphasizes that the development process is happening at the present time.

Can You Say Currently Under Development?

Yes. Currently under development is also grammatically correct.

Examples:

• The new office complex is currently under development.
• The website is currently under development.
• Several infrastructure projects are currently under development.

Both expressions can include currently without creating grammatical problems.

However, you don’t always need this word. The verb is or are already establishes a present-tense context.

For example, “The website is under development” is perfectly clear.

Common Mistakes to Avoid

Even though both expressions are straightforward, writers sometimes use them incorrectly or misunderstand their meaning.

Here are several mistakes worth avoiding.

Treating Both Expressions as Completely Identical

The expressions overlap, but their emphasis can differ.

In development often highlights a project’s stage. Under development can highlight the ongoing process.

For example:

• The product is in development.
• The building is under development.

Both choices sound natural in their respective contexts.

Don’t assume that every sentence will sound equally natural with either expression.

Assuming Under Development Only Refers to Buildings

This is a common misunderstanding.

Although under development frequently describes construction, it also applies to digital and business projects.

For example:

• The mobile application is under development.
• The company’s new database is under development.
• A redesigned website is under development.

The phrase isn’t restricted to physical structures.

Using In Development for a Finished Product

The expression generally indicates that something hasn’t reached its completed development stage.

Therefore, describing a fully developed and released product as in development can confuse readers.

Incorrect in the intended context:

“The application is in development” when the application has already completed development and launched.

Better:

“The application is now available.”

However, a released product can still have new features or updates in development. Make sure your sentence identifies exactly what remains unfinished.

Confusing Development With Construction

Development and construction are related, but they aren’t identical.

Construction usually refers to building physical structures.

Development has a broader meaning. It can involve planning, designing, creating, improving, or building something.

For example, a residential development may involve:

• Land preparation.
• Architectural planning.
• Road construction.
• Utility installation.
• Residential building.
• Landscaping.

Therefore, under development can describe an entire project rather than just its construction work.

Choosing a Phrase Without Considering Context

A phrase might be grammatically correct but still sound awkward.

For example:

“The new movie is under development.”

This is understandable. However, “The new movie is in development” is more familiar in entertainment discussions.

Always consider the subject and audience before choosing your wording.

Related Expressions and Their Differences

Understanding similar expressions can help you describe unfinished projects more accurately.

In Progress vs. In Development

In progress means something has started but hasn’t finished.

In development specifically refers to something being created, designed, planned, or improved.

Examples:

• The renovation is in progress.
• The new software is in development.

The first sentence focuses on an ongoing activity. The second highlights the development stage of a product or project.

You can use in progress for activities that don’t involve creating something new.

For example, a meeting, examination, or investigation can be in progress.

Under Construction vs. Under Development

Under construction means that something is currently being built.

Under development has a broader meaning. It can describe construction, planning, improvement, and other development activities.

Examples:

• The new bridge is under construction.
• The surrounding transportation network is under development.

The first statement specifically refers to building a bridge. The second can describe a larger project involving roads, stations, and other facilities.

A building can be under development before physical construction begins. This might happen during planning, design, or site preparation.

Being Developed vs. In Development

Being developed is a passive verb construction. It directly indicates that someone is developing something.

In development is a prepositional phrase that describes a development stage or status.

Examples:

• The new application is being developed by our team.
• The new application is in development.

The first sentence emphasizes the activity and the people carrying it out. The second focuses on the application’s current status.

Both expressions are useful, but their grammatical structures differ.

In the Development Stage vs. Under Development

In the development stage explicitly identifies a particular phase of a project.

Under development describes something undergoing development.

Examples:

• The project is in the development stage.
• The project is under development.

The first sentence identifies the project’s stage. The second communicates that development remains ongoing.

Both are correct, although the first can provide more specific information about project progress.

In Development vs. In Production

These expressions describe different stages in a product’s lifecycle.

In development means a product is still being created, designed, or tested.

In production generally means manufacturing or production activities have started.

Examples:

• The new smartphone is in development.
• The new smartphone is in production.

A product can move from development into production once its design and necessary preparations reach the required stage.

However, software and digital products may use in production differently. In software, it often means a system or feature has been deployed and is operating in a live environment.

FAQs:

1. Is “In Development” grammatically correct?

Yes, in development is grammatically correct. It describes something currently being created, improved, or worked on. For example, a new mobile app may still be in development.

2. Is “Under Development” grammatically correct?

Yes, under development is also grammatically correct. It commonly describes projects that are still progressing through planned stages. For example, a new shopping center is under development.

3. What is the main difference between In Development and Under Development?

The main difference involves emphasis and context. In development highlights the current stage of a project, while under development can emphasize the ongoing process or planned work.

4. Can I use In Development and Under Development interchangeably?

Yes, you can often use them interchangeably. Both describe something that isn’t finished yet. However, your sentence and intended meaning should guide your choice.

5. Which phrase is better for software projects?

Both phrases work well for software projects. You can say an app is in development to describe its current stage. You can also say it’s under development to emphasize ongoing work.

6. Should I use Under Development for construction projects?

Yes, under development is common when discussing construction and property projects. For example, a new residential building may be under development. However, under construction is often more precise when physical building work has started.

7. Does In Development mean a project is unfinished?

Yes, in development generally means a project hasn’t reached completion. It may still involve planning, designing, testing, coding, or making improvements.

Conclusion:

Both in development and under development are correct expressions. They describe projects, products, or ideas that haven’t reached completion. The main difference comes down to context and emphasis. Use in development when discussing a project’s current stage or general progress. Choose under development when highlighting ongoing work, structured plans, or project oversight. Remember that both expressions overlap in everyday English. Your audience, sentence structure, and intended meaning should guide your final choice.