Best Alloy Alternatives in 2026
Updated
20 apps from prototyping software ranked against Alloy on the same published basis.
- 1Alloy vs Fluid UI
- 2Alloy vs Justinmind
- 3Alloy vs Mockplus
- 4Alloy vs ProtoPie
- 5Alloy vs UXPin
- 6Alloy vs Marvel
- 7Alloy vs Proto.io
- 8Alloy vs Wondershare Mockitt
- 9Alloy vs Frame0
- 10Alloy vs PrototypeTool
- 11Alloy vs Visily
- 13Alloy vs Moqups
- 14Alloy vs Uizard
- 15Alloy vs NinjaMock
- 16Alloy vs Quant-UX
- 17Alloy vs Figma Slides
- 18Alloy vs Mockapp
- 19Alloy vs Origami Studio
- 20Alloy vs Pencil Project
- 21Alloy vs ProtoSketch
Alloy alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Fluid UI | 6.7 | Free plan | $8.25/mo | Android, iOS, Linux, Mac, Web, Windows |
| 2 | Justinmind | 6.7 | Free plan | $19/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 3 | Mockplus | 6.7 | Free plan | $2.48/mo | Android, iOS, Mac, Web, Windows |
| 4 | ProtoPie | 6.7 | Free plan | $25/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 5 | UXPin | 6.7 | Free plan | $29/mo | Android, iOS, Mac, Web, Windows |
| 6 | Marvel | 6.5 | Free plan | $12/mo | Android, API, iOS, Web |
| 7 | Proto.io | 6.5 | Free plan | $29/mo | Android, iOS, Web |
| 8 | Wondershare Mockitt | 6.5 | Free plan | $10/mo | Web, Windows, Mac, Linux |
| 9 | Frame0 | 6.4 | Free plan | $79/mo | Windows, Mac, Linux |
| 10 | PrototypeTool | 6.4 | Free plan | $29/mo | Web |
| 11 | Visily | 6.4 | Free plan | $14/mo | Browser, Web |
| 13 | Moqups | 6.3 | Free plan | $7/mo | Browser, Web |
| 14 | Uizard | 6.3 | Free plan | $3.25/mo | Browser, Web |
| 15 | NinjaMock | 6.2 | Free plan | Free | Web |
| 16 | Quant-UX | 6.2 | Free plan | Free | self-hosted, Web |
| 17 | Figma Slides | 5.9 | No | $3/mo | Android, iOS, Linux, Mac, Web, Windows |
| 18 | Mockapp | 5.2 | No | — | iOS, Android |
| 19 | Origami Studio | 5.2 | No | — | Mac, iOS, Android |
| 20 | Pencil Project | 5.2 | No | — | Windows, Mac, Linux |
| 21 | ProtoSketch | 5.2 | No | — | iOS |
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Questions about Alloy alternatives
What is the best alternative to Alloy?
Fluid UI, number 1 in prototyping software with a score of 6.7 out of 10. The others here: Justinmind, Mockplus, ProtoPie and 16 more.
What is the best free alternative to Alloy?
Fluid UI 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.