Browse categories
Explore
Fiverr Pro
English
$
USD
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
$90/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.
$90
/
hourPortfolio
184 Reviews
| (177) | ||
| (6) | ||
| (0) | ||
| (0) | ||
| (1) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
1-5 out of 184 Reviews
Sort By
Most relevant
kalyanchakra419
India
Outstanding Usability Testing & Customer Experience Insights Working with Usability Studio has been an excellent experience. Their team conducted a thorough review of my project and provided detailed, actionable feedback that highlighted areas where the customer experience could be improved. What impressed...
Helpful?
ichdenke
Repeat Client
Germany
Kay and Felix did an excellent job once again. This is already the second time I’ve booked their gig, and I’m very satisfied with the results. They analyzed my app thoroughly, provided clear and practical improvement suggestions, and explained everything in an easy-to-understand way. Communication was...
Helpful?
merivilla
Repeat Client
United States
Worth it for the peace and mind. How can you release software to the real world if you haven't had QA testers try to break it? This is what they do. They go through your software and find bugs before it is too late.
Helpful?
gezman90
Repeat Client
Switzerland
Helpful?
bleezy24
Australia
Everything went smoothly and I was pleased with the attention to detail and timely delivery. Keep up the good work!
Helpful?
