Mobile FIRST
Smartphone and tablet simulator
Tandemz
Recruit research participants in just a couple of clicks
Updated February 2026
| Mobile FIRST | Tandemz | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 7 | 4 |
| Pros | 15 | 8 |
| FactScore™ | 45.2 | 34.9 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Mobile FIRST — Pros
Mobile testing Accessibility Capture transparent PNG Clean UI Comprehensive solution Extensive template collection Intuitive No sign-up required Plug and play Realistic device rendering Record screencasts Simple features Streamline website optimization Test dark modeBoth tools — Pros
Easy to useOnly in Tandemz — Pros
Fast participant recruitment Smooth user experience Effective for user research Helpful support team Reliable platform Comprehensive participant management Trustworthy platformOnly in Mobile FIRST — Cons
—Both tools — Cons
—Only in Tandemz — Cons
—Details
| Mobile FIRST | Tandemz | |
|---|---|---|
| Categories | Testing and QA software | Testing and QA software, User research |
| Platforms | Web | Web |
| Became Popular | July 10, 2023 | September 12, 2023 |
| Website | www.webmobilefirst.com | www.tandemz.io |
Who Should Pick Which?
Choose Mobile FIRST if...
- Mobile testing
- Accessibility
- Capture transparent PNG
Choose Tandemz if...
- Fast participant recruitment
- Smooth user experience
- Effective for user research
With a FactScore™ of 45.2 vs 34.9, Mobile FIRST leads in community reception. Mobile FIRST uniquely offers Mobile testing and Accessibility, while Tandemz stands out for Fast participant recruitment and Smooth user experience.
What Users Say
Mobile FIRST
I love it! Glad I found your plugin!
Looks interesting!
The nice product has transformed my work as a product manager! With its extensive template collection for both mobile and desktop, it has become an essential tool for me. I use it almost every day ...
Tandemz
Tandemz is a great and easy to use product for recruiting your participants for your user test !
I used Tandemz for a fast-paced user research. And was super impressed with their solution. Everything is super smooth, the experience is crisp, and they found testers within a few days. Since they...
We have been a user of Tandemz since day 1 and use them exclusively for all our qualitative studies. The personal attention is great, digital experience top notch and candidates are always found wi...
Related Comparisons
Frequently Asked Questions
Which is better, Mobile FIRST or Tandemz?
Based on FactScore™, Mobile FIRST leads with a score of 45.2 vs 34.9. Mobile FIRST has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Mobile FIRST compared to Tandemz?
Mobile FIRST uniquely offers: Mobile testing, Accessibility, Capture transparent PNG, Clean UI, Comprehensive solution.
What are the pros of Tandemz compared to Mobile FIRST?
Tandemz uniquely offers: Fast participant recruitment, Smooth user experience, Effective for user research, Helpful support team, Reliable platform.
Is Mobile FIRST better rated than Tandemz?
Mobile FIRST is rated 5.0★ from 7 reviews. Tandemz is rated 5.0★ from 4 reviews.
What is the FactScore™ of Mobile FIRST and Tandemz?
FactScore™ weighs rating and review volume together. Mobile FIRST scores 45.2 and Tandemz scores 34.9.
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