Best Alloy Alternatives in 2026

20 platforms from prototyping software ranked against Alloy on the same published basis.

  1. 1Alloy vs Justinmind
  2. 2Alloy vs Marvel
  3. 3Alloy vs ProtoPie
  4. 5Alloy vs Fluid UI
  5. 6Alloy vs Mockplus
  6. 7Alloy vs Proto.io
  7. 8Alloy vs PrototypeTool
  8. 9Alloy vs UXPin
  9. 10Alloy vs Visily
  10. 11Alloy vs Moqups
  11. 12Alloy vs Uizard
  12. 13Alloy vs Wondershare Mockitt
  13. 14Alloy vs Figma Slides
  14. 15Alloy vs Frame0
  15. 16Alloy vs NinjaMock
  16. 17Alloy vs Quant-UX
  17. 18Alloy vs Axure RP
  18. 19Alloy vs ForeUI
  19. 20Alloy vs Balsamiq Wireframes
  20. 21Alloy vs HotGloo

Alloy alternatives compared

#PlatformScoreFree planFromRuns on
1Justinmind7.3Free plan$19/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
2Marvel7.2Free plan$12/moAndroid, API, iOS, Web
3ProtoPie7.2Free plan$25/moAndroid, API, iOS, Mac, self-hosted, Web, Windows
5Fluid UI5.9Free plan$8.25/moAndroid, iOS, Linux, Mac, Web, Windows
6Mockplus5.9Free plan$2.48/moAndroid, iOS, Mac, Web, Windows
7Proto.io5.9Free plan$29/moAndroid, iOS, Web
8PrototypeTool5.9Free plan$29/moWeb
9UXPin5.9Free plan$29/moAndroid, iOS, Mac, Web, Windows
10Visily5.9Free plan$14/moBrowser, Web
11Moqups5.8Free plan$7/moBrowser, Web
12Uizard5.7Free plan$3.25/moBrowser, Web
13Wondershare Mockitt5.7Free plan$10/moWeb, Windows, Mac, Linux
14Figma Slides5.6No$3/moAndroid, iOS, Linux, Mac, Web, Windows
15Frame05.6Free plan$79/moWindows, Mac, Linux
16NinjaMock5.6Free planFreeWeb
17Quant-UX5.6Free planFreeself-hosted, Web
18Axure RP5.3No$29/moMac
19ForeUI5.2No€130/moWindows, Mac, Linux
20Balsamiq Wireframes5.1No$16/moMac, Web, Windows
21HotGloo5.1No—Web
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Questions about Alloy alternatives

What is the best alternative to Alloy?

Justinmind, number 1 in prototyping software with a score of 7.3 out of 10. The others here: Marvel, ProtoPie, Fluid UI and 16 more.

What is the best free alternative to Alloy?

Justinmind is the best-ranked alternative with a free plan. 15 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.