Common Mistakes Developers Make When Building Apps

Common Mistakes


A mobile app is the latest and hottest, way to engage with customers. It can also be a great way to increase revenue and build brand loyalty. But don’t forget – with great power comes great responsibility! If you want your app to be successful, it’s important to avoid common mistakes that can doom it from the start. In this blog post, we will outline 10 of the most common ones so you can make sure you’re on the right track.

1. Not planning correctly from the get-go.  

Developers who do not plan their app development correctly often find themselves stuck later on with unforeseen challenges and setbacks.
Developers make common mistakes when planning their apps that can lead to unexpected difficulties down the road. 

2. Using the wrong technologies and frameworks.  

Developers often make the mistake of using outdated or inappropriate technologies when building their apps. Technologies that are no longer in use, such as Flash and Java, can slow down your app and cause errors. In addition, you may be using outdated technology to build a solution for a problem that doesn’t exist anymore.

Frameworks provide structure for your codebase and help keep your app organised. However, some popular frameworks are rarely updated or replaced because they work well enough as is. The same goes for technologies: if it works well enough now, don’t bother changing it! 
3. Not testing your apps thoroughly before release. This isn’t just a bug-hunting step; properly testing your app ensures that all functionality is working correctly and that there are no hidden issues lurking within the code base waiting to take advantage of someone who deploys it into production.

3. Not Testing Enough

Building software is quite an undertaking – it takes time, effort, and expertise. However, if you’re not testing your product as you go along, you may end up with defects that cause customer dissatisfaction and lost sales. Here are the mistakes developers make when building apps:

  1. Not Testing Enough Test early and often to verify the correctness of code before release. This allows for the identification and correction of defects early on in the development process which can save both time and money.
  2. Skipping Unit Tests Ignore this vital step at your own peril; unit tests help to isolate individual functions within a program so that they can be tested for correct functionality without having to rely on other parts of the system or even knowledge about how those other parts work.
  3. Failing to Verify Code Coverage Checking whether all lines of code have been executed will ensure that your application meets customer expectations by ensuring that no undocumented features remain active after release.
  4. Not Automating Testing Processes It’s easy enough to add some basic automation into test scripts but neglecting more complex testing tasks could lead to uncovered errors later on down the line (crunch time!).
  5. Using Old Technologies In New Ways Don’t try using legacy tools in new ways – these solutions were developed with different requirements in mind and may not produce accurate results when used for auto-testing purposes.

4. Choosing the Wrong Tools for the Job 

Developers make common mistakes when choosing the right tools for the job. Some of these mistakes include using outdated or unsupported tools, spending too much time on tasks that don’t need to be done, and neglecting important aspects of app development.

Tool selection is one of the most crucial steps in any development process. If a developer uses the wrong tool for a task, they may end up wasting their time and resources due to limitations in that toolset. For example, if a developer chooses to use an older version of Java instead of opting for Oracle’s newer JDK 10+, they run into problems with compatibility issues and potential installation failures. Additionally, using an outdated or unsupported tool can actually damage your app as it will not provide accurate results or might even cause security breaches.

Tools are just one part of the equation though; developers also have to know how to use those tools effectively. Many times developers spend unnecessary time trying to solve problems that don’t require code modifications or additional software installations – often because they’re unaware of which software options are available to them. 
Developers also miss out on important aspects of app development by focusing only on coding functionality without taking into account other critical considerations like design and user experience. In order for apps to be successful both from a business standpoint (in terms some increased revenue) and from a users’ perspective (ease-of-use), all elements must work together seamlessly

5. Focusing More on Design Than Functionality  

When developing an app, it is important to keep in mind the three primary goals of any software: functionality, design, and scalability. However, it’s often easy for developers to focus more on design than on functionality or even on scalability.

Functionality should always come first. A poorly designed app will be difficult to use and will not meet your users’ needs. In addition, inconsistent interface designs across screens and devices can create confusion and frustration for your users. Finally, if an app can’t grow with your company as you add new features or increase traffic volume, then it isn’t likely to be a long-term success. 

6. Insufficient Understanding of User Needs   

The first step to improving your app design is understanding user needs. Unfortunately, many developers don’t have a good enough understanding of users and their needs. This can lead to incorrect assumptions about the app’s target audience, ineffective design decisions, and even poor quality software overall

7. Putting Too Much Emphasis on Outputs Over Relevance  

When it comes to building software, one of the most important things you can do is focus on outputs (the visible signs of your work). But the output isn’t the only thing that matters.

Clear and concise communication is key so everyone understands what you’re doing. Too often, developers build features that nobody will use or over-engineer their code in an attempt to create perfect solutions. Make sure you prioritize the right things and remember that users won’t care about your shiny new output until they actually see benefits in terms of relevance.


We hope that this blog post has given you some insight into the most common mistakes that developers make when building apps. By avoiding these pitfalls, you can increase your chances of success. Thanks for reading!

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