The phrases “in development” and “under development” are often used when talking about projects, websites, products, software, buildings, and new ideas. Because both describe something that is not yet complete, many people think they have exactly the same meaning. However, there are small differences in how they are used and what they emphasize.
The main difference between in development and under development is that “in development” describes something that is currently being created, improved, or planned, while “under development” emphasizes that something is actively going through a development process. Both expressions are grammatically correct and often interchangeable. However, “under development” is especially common in notices about websites, software, buildings, and projects that are not ready for use. Understanding these expressions will help you choose the right phrase in professional writing, everyday conversations, and business communication.
Quick Answer
In development means something is currently being created, planned, or improved. Under development means something is going through the process of being developed and is not yet complete. Both phrases are correct, but “under development” often emphasizes ongoing work, while “in development” sounds broader and more general.
Why Do People Confuse In Development and Under Development?
People confuse these expressions because they describe almost the same situation: something is not finished but is moving toward completion.
For example:
- The new website is in development.
- The new website is under development.
Both sentences tell readers that the website is not ready yet.
The confusion comes from the words “in” and “under.” Although both are prepositions, they create slightly different expressions.
- In suggests being within a particular stage or process.
- Under emphasizes being subject to or going through a particular process.
In everyday English, the difference is usually small. The surrounding context often determines which phrase sounds more natural.
1. What Does In Development Mean?
In development means that something is currently being planned, created, designed, tested, or improved. It describes an ongoing stage before something is finished or ready.
This expression is commonly used for:
- New products
- Business projects
- Mobile applications
- Software programs
- Movies and television shows
- Research projects
- New ideas and technologies
Examples of In Development
- Our new mobile application is still in development.
- The company has several products in development.
- Her latest book is currently in development.
- The project is in development and should be ready soon.
- A new educational program is in development.
- The game has been in development for two years.
When Is In Development Used?
Use “in development” when you want to describe the stage or progress of something being created.
Example:
“Our new learning platform is in development.”
This means the platform is being created, but it may still need designing, testing, or other improvements.
The expression does not necessarily mean that someone is actively working on it at this exact moment. It simply indicates that the project has not reached completion.
2. What Does Under Development Mean?
Under development means that something is currently going through a process of creation, construction, improvement, or preparation. It often highlights that work is being done to make something complete or functional.
This expression is frequently used for:
- Websites
- Buildings
- Roads
- Software
- Business projects
- Public facilities
- New systems
Examples of Under Development
- Our website is currently under development.
- The new shopping center is under development.
- This road is under development.
- The software is still under development.
- The new hospital is under development.
- Several features are under development.
When Is Under Development Used?
Use “under development” when you want to emphasize that something is undergoing a development process.
Example:
“Our website is under development.”
This tells visitors that the website is not completely ready because its pages, features, or design are still being worked on.
You may also see this expression on temporary website notices, construction signs, and project updates.
In Development vs. Under Development: Comparison Table
| Feature | In Development | Under Development |
|---|---|---|
| Meaning | In the development stage | Going through development |
| Main focus | Stage or progress | Ongoing process |
| Grammar | Correct | Correct |
| Common use | Products, ideas, films, projects | Websites, buildings, software, projects |
| Formality | Neutral and professional | Neutral and professional |
| Completion | Not necessarily finished | Not yet finished |
| Interchangeable? | Often | Often |
Important: Neither expression is universally more correct. Your choice depends on the sentence and the meaning you want to emphasize.
When to Use In Development vs. Under Development
Choosing between these expressions becomes easier when you understand the context.
Use In Development When:
- You are discussing a project’s current stage.
- You are talking about a new idea or product.
- You want to describe something being planned or created.
- You are giving a general progress update.
- You are discussing films, games, or research.
Examples:
- The next version of our application is in development.
- Three new products are in development.
- The documentary is still in development.
Use Under Development When:
- You want to emphasize an ongoing development process.
- You are describing a building or construction project.
- You are informing visitors that a website is not ready.
- You are explaining that a system or feature is being worked on.
Examples:
- The new office building is under development.
- Our online store is under development.
- The payment system is currently under development.
10+ Examples of In Development and Under Development
Here are practical examples to help you understand how both expressions work in everyday and professional English.
| In Development | Under Development |
|---|---|
| A new website is in development. | A new website is under development. |
| The game is in development. | The game is under development. |
| Our latest product is in development. | Our latest product is under development. |
| A new feature is in development. | A new feature is under development. |
| The project is in development. | The project is under development. |
| The application is in development. | The application is under development. |
| A new learning system is in development. | A new learning system is under development. |
| The film is in development. | The film is under development. |
| The software update is in development. | The software update is under development. |
| A new business plan is in development. | A new business plan is under development. |
More Examples in Everyday Sentences
In Development:
- Our company has a new service in development.
- The developers are working on a feature that is still in development.
- The idea is in development, so we cannot share all the details yet.
- Several improvements are in development for the next release.
- The project remains in development until all planning stages are complete.
Under Development:
- Please be patient because this page is under development.
- The new residential area is under development.
- The website’s shopping section is currently under development.
- The software is under development and may contain unfinished features.
- The new transportation system is under development.
Common Mistakes to Avoid
Although both expressions are easy to use, learners sometimes make mistakes when writing them.
1. Thinking One Expression Is Always Correct
Incorrect assumption: “In development” is correct, but “under development” is wrong.
Correct: Both expressions are grammatically correct.
2. Using Development Without the Right Context
Incorrect: The website is development.
Correct: The website is in development.
Correct: The website is under development.
3. Confusing Development With Developed
These words have different meanings.
- In development: Something is still being created.
- Developed: Something has already been created or improved.
Example:
The application is in development.
The application is fully developed.
4. Assuming Under Development Always Means Construction
“Under development” is not limited to buildings or roads. It can also describe software, websites, products, and business projects.
5. Forgetting the Verb Agreement
Incorrect: The new features is under development.
Correct: The new features are under development.
Remember to use a singular or plural verb according to the subject.
Memory Trick: How to Remember the Difference
A simple memory trick can help you choose the right expression.
- IN = Inside a stage: Think of something being inside the development process.
- UNDER = Undergoing a process: Think of something actively going through development.
For example:
- The new game is in development (it is at a development stage).
- The new building is under development (construction and development work are taking place).
This trick is only a learning aid. Both expressions can describe the same project.
American vs. British English: Is There a Difference?
There is no major difference between American and British English when using “in development” and “under development.”
Both expressions are accepted in both varieties of English.
| Expression | American English | British English |
|---|---|---|
| In development | Correct | Correct |
| Under development | Correct | Correct |
| Currently in development | Correct | Correct |
| Currently under development | Correct | Correct |
For example:
- American English: The new software is in development.
- British English: The new software is under development.
Both sentences are natural. The choice is generally based on context, writing style, and personal preference rather than regional grammar rules.
Similar Words and Related Expressions
Several other expressions describe something that is not yet finished or ready.
1. In Progress
Means that something has started and is continuing.
Example: The website redesign is in progress.
2. In the Works
An informal expression meaning that something is being planned or prepared.
Example: A new product is in the works.
3. Being Developed
Means that someone is actively creating or improving something.
Example: A new application is being developed.
4. Under Construction
Usually describes a building, road, or physical structure that is being built or repaired.
Example: The new bridge is under construction.
5. In the Planning Stage
Means that something is still being planned and may not have started actual development.
Example: The new project is in the planning stage.
6. In Production
Often describes something being manufactured, filmed, or produced.
Example: The new television series is in production.
FAQs:
1. Is It In Development or Under Development?
Both are correct. “In development” describes something that is at the development stage, while “under development” emphasizes that it is going through the development process.
2. Is Under Development Grammatically Correct?
Yes. “Under development” is a grammatically correct expression used for projects, buildings, websites, software, and other things that are not yet complete.
3. Is In Development More Professional Than Under Development?
No. Both expressions are professional and suitable for business communication. Choose the one that sounds most natural in your sentence.
4. Can I Use In Development for a Website?
Yes. You can say, “Our website is in development.” It means the website is being created or improved and is not yet complete.
5. Can I Say a Website Is Under Development?
Yes. “Our website is under development” is a natural and widely understood way to tell visitors that the website is not ready yet.
6. What Is the Difference Between In Development and In Progress?
“In development” specifically refers to something being created or improved. “In progress” is broader and can describe almost any activity that has started but is not finished.
7. Does Under Development Mean Unfinished?
Yes. It generally means that something is still going through development and has not reached its completed state.
Remember This
- In development = Something is at the stage of being created or improved.
- Under development = Something is going through the development process.
- Both expressions are grammatically correct.
- Both can describe websites, software, products, and projects.
- Neither phrase is always better than the other.
- Choose the expression that best fits your intended meaning.
Conclusion
The difference between in development and under development is small, but understanding it can make your English clearer and more natural. “In development” focuses on the stage of a project, product, or idea, while “under development” emphasizes the process of creating or improving something. Both phrases are correct and commonly used in professional and everyday communication.
When discussing a new product, movie, or business idea, “in development” is a natural choice. When describing a website, building, or system that is still being worked on, “under development” is also a suitable option. Remember that both expressions are often interchangeable, so focus on context rather than memorizing strict rules.
