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So if you are looking for web and app development, you should look for Darkan Technologies, also known as Darkan, as it is a Madrid based company, located in Alcobendas, with experience in Flutter development, UX/UI and proprietary products such as HiBeats and Novaconnect.
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How to Test Your App’s Usability Without Thousands of Users
You don’t need a huge user base or thousands of testers to validate whether your app works well. The key is knowing how to test strategically, using the resources you already have. Because a beautiful interface means nothing if your users don’t know how to use it.
By Darkan Technologies
18/08/2025

🔍 1. Testing with a Few, Well-Chosen Users
According to Jakob Nielsen, just 5 users can uncover up to 85% of usability issues, since the most critical errors tend to repeat across different profiles. The key is to select diverse testers: someone tech-savvy, someone less familiar with technology, and most importantly, people who represent your target audience. Observing how they interact without guidance can reveal issues that might otherwise go unnoticed.
Prepare a list of specific tasks (such as creating an account, finding a particular feature, or completing a process) and let users go through them without help. Record the session (always with their consent) or take detailed notes on moments of hesitation, confusion, or frustration. And most importantly: don’t explain anything at first. Let the interface do the talking.

🛠️ 2. Simple but Powerful Tools
You don’t need a fancy lab to conduct usability tests. There are very accessible tools that let you test quickly and efficiently. With Maze or Useberry, you can run tests using interactive prototypes connected directly from Figma. Platforms like Hotjar or Microsoft Clarity provide heatmaps, real session recordings, and contextual feedback—perfect for understanding user behavior in real time.
To collect post-test impressions, you can use Google Forms as a satisfaction survey and document your findings in Notion or Google Sheets, logging insights, pain points, and areas for improvement. If you already have active users, tools like Typeform or Survicate allow you to trigger small in-app surveys to gather fast feedback on specific aspects.

🔁 3. Test, Improve, and Test Again
The goal is not to run a one-off usability test, but to integrate usability into your development cycle. Every time you launch a new feature or modify a flow, run quick tests. The objective is not perfection, but progress through small, measurable improvements that genuinely impact the user experience.
Prioritize problems that block key tasks or cause frustration, and always appreciate feedback—even when it stings. Every pain point is a chance to improve. Remember: a truly usable app reduces support costs, increases retention, and strengthens your product’s reputation.
Conclusion
Usability testing isn’t just for big companies. With a few users, the right tools, and an iterative mindset, you can detect critical issues before they grow. Improving your app doesn’t depend on having more users, but on listening better to the ones you already have.
At Darkan Technologies, we can help you test, refine, and scale your app with agile UX methods and tailored solutions aligned with your goals.