You will get expert usability testing on your app or website
Project details
You will get a professional usability test with actionable feedback to improve your product’s user experience. With a background in Human-Computer Interaction and over 100 usability tests conducted, I bring a sharp eye for friction points, accessibility issues, and interaction clarity.
Whether you're working with a landing page, app prototype, or full product flow, I record detailed walkthroughs and back them up with structured reports, annotated screenshots, and user-centered suggestions. I’ve designed and tested signup flows, onboarding paths, and complex dashboards myself, so I know where things break down and how to fix them.
Whether you're working with a landing page, app prototype, or full product flow, I record detailed walkthroughs and back them up with structured reports, annotated screenshots, and user-centered suggestions. I’ve designed and tested signup flows, onboarding paths, and complex dashboards myself, so I know where things break down and how to fix them.
Testing Platform
Website Testing, Mobile Testing, Software Testing, Game TestingDevice
PC, Mac, iPhone, Game ConsoleLanguage
English, French, GermanWhat's included
| Service Tiers |
Starter
$75
|
Standard
$195
|
Advanced
$295
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 5 days |
Number of Revisions | 0 | 1 | 0 |
Number of Pages Tested | 1 | 3 | 5 |
Screen Recording Time (Minutes) | 5 | 15 | 25 |
Test Scenario | |||
Summary Report | |||
Annotated Screenshots | - | ||
Test Desktop | |||
Test Mobile | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$30 - $75
Additional Revision
+$15
Additional Page Tested
(+ 1 Day)
+$20
Additional Screen Recording Minutes
(+ 1 Day)
+$10
Annotated Screen Shots
+$25
Test Mobile
+$30Frequently asked questions
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PR
Philip R.
May 14, 2026
PC Game Usability Testers Needed - 25minutes
It was great working with Jannis, he was easy to communicate and make arrangements with. He provided very useful feedback, enabling our team to proceed with the project. I'd happily work with him again.
About Jannis
Usability Engineer, UX Researcher
80%
Job Success
Kaufbeuren, Germany - 7:05 am local time
With a background in Human-Computer Systems (BSc) and several years of professional experience as a Usability Engineer, UX Researcher, and Technical Writer, I work at the intersection of UX research, frontend implementation, and content design.
I have delivered UX research, usability testing, and documentation for industrial, environmental, and B2B software, including regulated and government-related contexts. My work follows established standards such as ISO 9241, WCAG, and evidence-based UX methods.
What I can help you with:
• UX & usability reviews (heuristic evaluation, cognitive walkthroughs)
• Technical & UX writing (developer docs, user guides, microcopy)
• Information architecture & content structuring
• Wireframes & interactive prototypes (Figma)
• Frontend support (HTML, CSS, JS, React/Next.js)
• Accessibility & inclusive design audits
I work bilingually in English and German and am experienced in remote, cross-functional collaboration with designers, developers, and product managers.
If you’re dealing with complex software, unclear documentation, or usability issues, I can help you turn that complexity into something users actually understand and enjoy using.
Steps for completing your project
After purchasing the project, send requirements so Jannis can start the project.
Delivery time starts when Jannis receives requirements from you.
Jannis works on your project following the steps below.
Revisions may occur after the delivery date.
Initial review & alignment
I’ll analyze your product and your goals, and ask any clarifying questions before we begin.
Test planning & scenario writing
I will define test scenarios based on your product’s main flows and usability goals.