I will professionally test, QA and review your platform for usability, bugs, UI, UX

Vetted Pro

4.9
4.9

Germany

I speak English, German

275 orders completed

We make products easy to use

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 acad...
Vetted by Fiverr Pro

Usabilitystudio was selected by the Fiverr Pro team for their expertise.

Vetted for

  • QA & Review

  • User Testing

What people loved about this freelancer

About this Gig

Vetted Pro

Hi there, welcome to our Gig!

 

You just launched a new platform? Don't risk losing potential customers due to usability issues. A usability test is crucial to identify potential user frustrations and improve the overall user experience, leading to higher user satisfaction, engagement, and conversion rate.


We will test your platform for the following:

  • The first impression
  • Functionality & Bugs
  • Overall Design
  • UX & UI
  • Page Speed & Performance
  • Navigation & Information Architecture
  • Responsive Design
  • User Journey


We will provide you with the following:

  • Comprehensive summary report including graphic suggestions for improvement
  • Screenshots and videos
  • Prioritized usability issues according to their severity
  • Concrete suggestions for improvement

  • According to the 10 usability heuristics


Feel free to contact us to discuss your project and explore how we can enhance your product for your customers. As a professional agency with over seven years of experience, backed by a team holding master's degrees and PhD, we provide each client with a tailored, comprehensive summary report. We are happy to share examples of our work upon request.

Testing application:

Website

Device:

PC

Mac

iPhone

iPad

Android mobile phone

Clients I’ve worked with
Isuzu South Africa

Isuzu South Africa

We carried out a usability test to see if the website was easy to use and made suggestions on how to improve it.

Apr 2025

Beetronics

Beetronics

We conducted a full usability review of beetronics website across mobile and desktop devices, assessing navigation, content clarity, accessibility, and key user flows. The engagement resulted in a prioritized set of findings and actionable recommendations to reduce friction and improve the overall user experience.

May 2024-May 2024

My Portfolio

Reviews

21 reviews for this Gig
4.9

(20)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.9
  • Value of delivery
    4.9
Sort By
Most relevant
  • M

    merivilla

    Repeat Client

    US

    United States

    4.7

    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.

    $600-$800

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    dpi_canada

    CA

    Canada

    5

    Beyond expectations! Really great feedback with lots of actionable points. Super helpful!

    $100-$200

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • W

    workalist

    US

    United States

    5

    Communication was clear, turnaround times were solid.

    $600-$800

    Price

    9 days

    Duration

    Helpful?
    Yes
    No
  • O

    orens3webmedia

    Repeat Client

    ES

    Spain

    5

    Excellent team, great to work with Felix! Would definitely work with them again

    $600-$800

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • F

    fabiosmachado

    BR

    Brazil

    5

    Felix and Kay delivered outstanding usability testing with clear, actionable insights based on real user interaction. The report identified critical issues around flow stability, routing, authentication, data consistency, and mobile performance exactly the kind of findings teams need before scaling a...

    $600-$800

    Price

    11 days

    Duration

    Helpful?
    Yes
    No
Reviews

21 reviews for this Gig
4.9

(20)
(1)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    4.9
  • Value of delivery
    4.9
Sort By
Most relevant
  • M

    merivilla

    Repeat Client

    US

    United States

    4.7

    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.

    $600-$800

    Price

    3 weeks

    Duration

    Helpful?
    Yes
    No
  • D
    image-docs

    dpi_canada

    CA

    Canada

    5

    Beyond expectations! Really great feedback with lots of actionable points. Super helpful!

    $100-$200

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • W

    workalist

    US

    United States

    5

    Communication was clear, turnaround times were solid.

    $600-$800

    Price

    9 days

    Duration

    Helpful?
    Yes
    No
  • O

    orens3webmedia

    Repeat Client

    ES

    Spain

    5

    Excellent team, great to work with Felix! Would definitely work with them again

    $600-$800

    Price

    4 weeks

    Duration

    Helpful?
    Yes
    No
  • F

    fabiosmachado

    BR

    Brazil

    5

    Felix and Kay delivered outstanding usability testing with clear, actionable insights based on real user interaction. The report identified critical issues around flow stability, routing, authentication, data consistency, and mobile performance exactly the kind of findings teams need before scaling a...

    $600-$800

    Price

    11 days

    Duration

    Helpful?
    Yes
    No