Common Mobile App Design Mistakes to Avoid

There are millions of apps available on the Apple App Store and Google Play Store, giving users countless options for almost every need. From fitness and food delivery to travel, shopping, banking, and entertainment, people rely on mobile apps for everyday tasks. With so many choices available, users are unlikely to stay with an app that is difficult to understand, slow, or frustrating to use.

A good mobile app is not only about attractive visuals or advanced features. It should make it easy for users to find what they need, complete tasks, and move through the interface without confusion. Poor navigation, inconsistent design, complicated interfaces, weak visual hierarchy, and other mobile app design mistakes can create unnecessary friction and affect the overall user experience.

Whether you are designing a new app or improving an existing one, understanding these common mistakes can help you create a more usable, accessible, and user-friendly product. Here are 20 common mobile app design mistakes to avoid.

20 Common Mobile App Design Mistakes

1. Not Understanding User Needs

What is the goal of developing an app? It solves some user issues! But do you keep it in mind while developing the app, or do you create an app you believe is a masterpiece? Almost always, the latter is the case. When you concentrate on the problem, your entire process revolves around the question.

So, sit down, grab a piece of paper, and figure out what needs you're trying to meet, the core problem, the features required to solve this problem, the targeted user base, what interface will be best for them, and so on. You can create something unique and appreciated only if you understand and resonate with your audience's problems.

2. Making It Complex with Features

Imagine an app that does everything, from telling you to drink water to booking your hotel suites. Can you expect it to be simple? Of course not. The same goes for an application where you try to add all the features you can think of. It is a common mobile app design mistake. It does not guarantee a good user experience but does the exact opposite. It creates complexity, increases the load time, and compels them to never use your app again.

Mobile is a small device, and an app is only an application in it. You cannot fit everything in one app.

Make a list of all the primary features that are must-haves.
These are the features without which your app won’t achieve its purpose. Now, look at it. If you think one or more features won’t do any harm, add them. But know your limits.
Prioritizing is the key here.

3. Poor Navigation

A user uses your app to solve a problem, such as booking a cab, or a flight, learning about traffic, etc. But if your application itself causes a problem, what would it do? Leave your app. That's it.

Most people discard an app only because it fails to provide instant information. It means the core features, such as the "Book a ride" button in a cab booking application, are missing from the home page. The core features and the links should be present on the face of the application.

Therefore, if you are making an app whose competitors already exist, you can take inspiration from the industry leaders. When addressing a new problem, think from a customer’s perspective.

What would you prefer the app to look like? Work on this line, and you will create something simple and easily accessible.

4. Failure to Understand Customer Perspective

For a developer, the idea of an app is much more astonishing than the fact that they are creating it for someone else. They develop all kinds of ideas about creating a masterpiece, but they forget why they are doing it. It leads them to create something that is a gem in their eyes but a piece of stone in their users.

Think from the perspective of a user.
Prioritize their needs and if they need all the features you are putting in.

5. Unnecessary Complexity

Talking to someone in French when all they know is English isn’t wise, especially when you are aware of it. It also applies to your users, so you need to speak their tongue. If you include any unnecessary terms requiring a dictionary, they will dump your app.

Unnecessary perplexity only makes them dislike your app.
Talk in simple terms.
Use familiar words.
Using complex words does not indicate your intelligence but your thoughtlessness about their needs.

6. Not Thinking about First Impression

"The first impression is the last impression." This line fits perfectly in this context. If a user uses your app for the first time and finds it slow, dull, and not helpful the very first time, you have lost them forever. It may be another problem, like a network issue or low phone storage; the app will bear the blame.

As per a study, users will stay if they like an app for the first time. But if the first impression is not worth the hype, you will never see them again.

There are a few things that will ensure the best first impression.

First, arrange all the core features on the home page.
Second, loading and opening up within seconds should not take too long.
Choose a pleasant, bright color as your loading screen color. It can be matched to your logo. It should align with the type of app's overall theme.
For a children’s education app, geometric figures would suit. For a drugstore app, bright, beautiful colors will suit. For a professional website, minimalism coupled with class will work best.

So think it through!

7. Design Inconsistency

Aiming for a unique app, most developers try experiments, and one of them involves distinct themed pages. But it does not indicate your creativity. Users should not feel like they have switched between apps.

The entire app should follow a consistent theme. The fonts, color scheme, backdrops, and icons should be of the same type. You can make subtle, unnoticeable changes, but they should be consistent.

8. Weak Visual Hierarchy

A mobile app should make it easy for users to understand what matters most on the screen. When headings, buttons, images, and other elements have similar sizes, colors, or visual weight, users may struggle to scan the page and find the information or action they need.

Use size, contrast, bold typography, distinct colors, spacing, and placement to create a clear order of importance. The most important information and primary actions should naturally attract attention first, while secondary elements should remain less prominent. A clear visual hierarchy helps users move through the interface without unnecessary confusion.

9. Excessive Interruption

It is often caused by using modals. Modals interrupt the users by showing another screen, darkening the background, pushing information in their faces, indicating useful icons, etc.

When guiding the users, they are fine, but if you use them excessively, they may annoy users and make them put away your app. Use the modals, but carefully. They should be helpful, not interruptive.

10. Small Touch Targets

Buttons, links, icons, and other interactive elements that are too small or placed too closely together can be difficult to tap on a mobile screen. Users may accidentally select the wrong option, which can make the app frustrating to use.

Make interactive elements large enough to tap comfortably and leave sufficient space between them. As a practical guideline, Google Material Design recommends a minimum touch target of 48 × 48 dp, while Apple's Human Interface Guidelines recommend a 44 × 44 pt hit region for controls. Test interactive elements on actual mobile devices to make sure they are easy to see, reach, and tap accurately.

11. Inappropriate Call-To-Action Buttons

These call-to-action buttons are more important than users will ever understand. But they don’t.

Placing them appropriately means they should be situated where the user reaches an end and wishes to take another step.
They are useful in guiding them and should accomplish their purpose instead of annoying the users.

12. Lack of Feedback

No app should be released into the market unless it has been thoroughly tested and debugged by the developer. However, most designers make this mistake in their haste to launch. Only the app's users can tell you the truth. Check with actual users to see if your designed app lives up to its promises. Request feedback from them, which should include the following:

Whether the app is easy to navigate?
Did they notice anything unusual?
Are they able to access the main service without any problem?
Do they have any confusion?
Is it slow?
Do they like the color?
How was their overall experience?

These questions will tell you if your current app is a failure or a success. Make the changes if required, and test it again. Improvement is a never-ending process. Before launch and even after entering the market, it will require continuous testing, debugging, and improvement.

13. Lack of Differentiation

Why should a user use your app if it offers the same user experience as the other apps on the market? What is your distinct offering? The answer lies in differentiation, which most designers fail to accomplish. They focus on creating the app so much that they forget about aesthetics and similarity to other apps.

If your app looks like a poor copy of another one, they will dump you. Invest some time, bring out your creativity, and think of something unique to attract and retain users.

14. Platform Incompatibility

There are several operating systems out there. You can't create an app that only works on one platform. Also, if a user switches between the platforms, the app should keep working without hiccups or data loss. Thus, you must remember that you lose the rest of the users by designing an app that runs on only one OS. It does not require creating distinct programs for the different platforms. You can accomplish the goal with just a few tweaks in the code.

15. Irrelevant Information

Long series of letters and numbers, which in turn create IDs in a database, are often used to uniquely identify an item in an application. These strings are completely meaningless to users, and often appear as the first column in a table, forcing people to scroll past that first column to find the information that they care about. Although these useless strings are important to you on the backend, they should not be presented to your users. In particular, on high data density screens, present some sort of understandable information as the first focus point and tuck the IDs away to not-so-visible placement.

16. Missing Default Values

Default values can save significant client effort on monotonous tasks, such as completing the same form 3 or 4 times. Choosing key values for fields can increase ease of use and lessen frustration. Your analytics can help you identify if there is a most commonly selected choice for a particular field.

Certainly - dropdown menus benefit from a suggested default. Several applications use "Choose One" as the default setting, requiring every user to select a value using the dropdown. However, if you pre-selected a value (the most common one) probably a few users would never have to select a value using the dropdown at all.

17. Bombarding Users with Tutorials

One thing that the majority of the mobile app developers do is that they supply tutorials which are overly detailed and explain everything about the app from the very first time the users experience the app. It is not that the tutorials are not valuable, there is a fine balance and are important enough to prove their existence, but the documentation should always be kept to the minimum. The focus should be on the navigation of your app, and if a user has to go through the heavy tutorials to learn how to use the functionality then it is a UI failure.

18. Confusing Apps

App Stores are packed with thousands of apps, and the apps that are confusing, and difficult to understand don't tend to turn many heads. So, it is best to use methods that have been proven and don’t experiment unless very necessary. It's critical to test design elements that are likely to confuse users thoroughly.

19. Slow Working Apps

App speed is something that definitely should not be sacrificed under any circumstances. These days mobile users multitask while using your apps. They want speed, and if your app runs slower than expected, they have other options. It is suggested that apps avoid elements such as videos and heavy images that slow the download process.

20. Apps That Force to Sign-up

There are a few thousand apps available and many of the developers who create apps make the user begin with the sign-up registration process or other credentials. Again, until some value of your app has been shown, it is unlikely any user is going to provide those credentials and you will lose that user. So, it is recommended to have a guest user option within your app. You can provide a sign-up option for a later step once your users find some interest in your app.

Conclusion

A successful mobile app should make it easy for users to understand the interface, find important features, and complete their tasks without unnecessary effort. Mistakes such as poor navigation, feature overload, inconsistent design, weak visual hierarchy, small touch targets, slow performance, and forced sign-ups can create friction and negatively affect the user experience.

Review your app against these common mobile app design mistakes and identify areas that need improvement. Test the interface with real users, pay attention to their feedback, and continue refining the design as you learn more about their needs. A simple, consistent, accessible, and user-focused design can make your app easier to use and more effective for its target audience.

I hope this article solves your queries regarding the topic. In case of any doubts, feel free to comment below!

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Frequently Asked Questions

1. What makes a bad app design?

A bad app design includes poor analysis of the target audience correctly and lacks addressing the pain points. Further, the design should be simple and appealing. It should not confuse the users.

2. What are the 3 important things to consider when designing an app?

Here are the top 3 things to avoid while designing a mobile app:

Simple user-interface
Good choice of colors and font styles that are easy to read.
Excellent analysis of target audience.

3. What mistakes must you avoid in mobile app design?

Designers must avoid:

Complicated user-interface design
Confusing CTAs
Irrelevant information

4. How can I fix a bad design?

You can do these steps to fix a bad design:

Choose simple and easy-to-read font styles.
Do not include a complicated copy.
Use simple CTAs.

5. Can I design a mobile app myself?

It requires expertise and skills to develop a mobile app by yourself. After attaining an adequate amount of knowledge and practice, you can try your hand on developing a mobile app.

6. How do you test a mobile app design before launch?

Test the app with real users on actual mobile devices. Check whether they can navigate easily, find important features, complete key tasks, and understand the interface without confusion. Use their feedback to fix usability issues before launch.

7. What makes a mobile app easy to use?

Clear navigation, simple content, readable text, visible primary actions, consistent design, and easy-to-tap controls make a mobile app easier to use. A clear visual hierarchy also helps users find what they need quickly.