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Usabilitystudio
@blickdigital
Vetted Pro
Top Rated
We make products easy to use
Germany
German, English
Vetted by Fiverr Pro
Usabilitystudio was selected by the Fiverr Pro team for their expertise.
Vetted for
QA & Review
User Testing
About me
We make your product easy to use to create customer satisfaction. We are Felix and Kay, leading the Usability agency Blickwinkel-digital from Germany. Holding Master’s and PhD degrees, we combine academic rigor with expert Functional QA, UX Audits, and Cross-Device Testing. With 8+ years of experience and over +7,500 issues identified, we specialize in usability testing on web and mobile apps. We deliver structured, actionable summary reports to ensure your product is bug-free and high-converting. Trust our German precision. Contact us for a custom offer!
Skills
Usabilitystudio
$95/hour
Offline •
Average response time: 1 hour
See my services
User Testing
I will professionally test and QA the usability of your app or website
Software Testing
I will professionally test, QA and review your platform for usability, bugs, UI, UX
Want to work on an hourly basis?
Tell Usabilitystudio what you need.
$95
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hourPortfolio
191 Reviews
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1-5 out of 191 Reviews
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passionap
Switzerland
The audit of out iOs app in Beta (TestFlight) was very helpful. Deep understanding and very actionable feedback - written and as video - was very helpful for our last polish. Germany precision at its finest. I can fully recommend!
Helpful?
angelhuang635
China
Ongoing collaboration
Felix’s team delivered excellent testing work. As our long-term partner, they understand our products very well and always care about every detail. Their professionalism and dedication make them a reliable partner. Great job and highly appreciated!
Helpful?
angelhuang635
China
Ongoing collaboration
Felix's team is excellent; they are our long-term work partner,the testing work is very professional, and they provide us with valuable suggestions.
Helpful?
get822known
United States
The team really showed their expertise. They delivered a well documented summary of my app. They showed me where it was succeeding and where it was failing. I will definitely hire them again.
Helpful?
sharynjohnston
Australia
Ongoing collaboration
Helpful?
