Dev tools · alternatives · 2026

24 alternatives to Solidify

Build prototypes for user testing feedback across devices.

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Solidify launched in 2014; newer entries below may have overtaken it.

1. 1
   Precursor▲227

   A real-time collaborative prototyping tool

   2014 · prcrsr.com · its alternatives →

2. 2
   UsabilityHub▲117

   Test your designs and mockups on real people

   2014 · lyssna.com · its alternatives →

3. 3
   Uxia▲548

   Hi HN, As PMs (Google, Gopuff, Shiji), my cofounder and I ran hundreds of user tests over the years. And every time it felt broken: It could take 2–5 days just to get enough usable results We spent hours watching recordings to extract a handful of insights “Professional testers” rushed through tasks for pay, creating biased feedback Platforms often started at €10k+ per year, with hidden fees on top The result: slow iteration cycles, unreliable feedback, and user testing that often felt like a tax rather than a tool. We started asking: what if AI could help? Could synthetic users replicate…

   2025 · uxia.app · its alternatives →

4. 4
   Lighthouse London #13: How To Use Prototyping To Get Meaningful Feedback From Your Customers▲61

   Using prototypes as a powerful feedback tool

   2016 · wearelighthouse.com · its alternatives →

5. 5
   Proto.io▲135

   Fast, fully-interactive, high-fidelity mobile prototypes

   2014 · proto.io · its alternatives →

6. 6
   Contentify▲70

   a real-time collaborative content manager on top of Github

   2014 · thyb.github.io · its alternatives →

7. 7
   Lattice Feedback▲170

   Give co-workers feedback in the moment

   2017 · lattice.com · its alternatives →

8. 8
   Proto.io 6▲175

   Design, prototype, collaborate, test. Prototyping for all.

   2016 · proto.io · its alternatives →

9. 9
   Verify▲120

   Test out ideas before you implement them.

   2015 · verifyapp.com · its alternatives →

10. 10
    Mocky▲83

    organized feedback

    2014 · mocky.com · its alternatives →

11. 11
    Proofrr▲91

    One workspace for creative feedback, reviews, and approvals

    Aug 2026 · proofrr.com · its alternatives →

12. 12
    Demonstrate▲187

    Idea to mobile prototypes in minutes. Zero coding required.

    2016 · nfnlabs.in · its alternatives →

13. 13
    Erli Bird▲77

    Early adopter feedback and beta testing community

    2015 · betatesting.com · its alternatives →

14. 14
    Device Lab▲84

    The responsive development stand.

    2015 · devicelab.vanamco.com · its alternatives →

15. 15
    Beta Testers Hub▲110

    Early adopters network for your Startup

    2015 · betatestershub.com · its alternatives →

16. 16
    Peergrade▲102

    A student feedback and grading platform

    2017 · peergrade.io · its alternatives →

17. 17
    Prott▲89

    Rapid Prototyping for Mobile Apps

    2014 · prottapp.com · its alternatives →

18. 18
    UsersThink▲64

    Actionable feedback for your website

    2014 · usersthink.com · its alternatives →

19. 19
    Creator▲114

    Free live prototyping tool to build better ionic apps

    2014 · ionic.io · its alternatives →

20. 20
    Early Adopter Network▲64

    Student-powered Quality Assurance Testing

    2014 · its alternatives →

21. 21
    UserTesting▲106

    The fastest way to get feedback

    2014 · usertesting.com · its alternatives →

22. 22
    Flux▲70

    Design and generate iOS transitions

    2014 · nthstate.com · its alternatives →

23. 23
    Stack▲88

    A task manager for Devs & Designers

    2015 · macropod.com · its alternatives →

24. 24
    CMYK▲89

    Real-time design feedback from your own network

    2014 · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →