Best Fluid UI Alternatives in 2026
Updated
20 tools from UI design tools ranked against Fluid UI on the same published basis.
- 2Fluid UI vs Mockplus
- 3Fluid UI vs UXPin
- 4Fluid UI vs Figma Slides
- 5Fluid UI vs Justinmind
- 6Fluid UI vs Proto.io
- 7Fluid UI vs ProtoPie
- 8Fluid UI vs Marvel
- 9Fluid UI vs Lunacy
- 10Fluid UI vs Penpot
- 11Fluid UI vs Wondershare Mockitt
- 12Fluid UI vs MockFlow
- 13Fluid UI vs Frame0
- 14Fluid UI vs Visily
- 15Fluid UI vs Axure RP
- 16Fluid UI vs Moqups
- 17Fluid UI vs Uizard
- 18Fluid UI vs ForeUI
- 19Fluid UI vs Balsamiq Wireframes
- 20Fluid UI vs NinjaMock
- 21Fluid UI vs Quant-UX
Fluid UI alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 2 | Mockplus | 8.0 | Free plan | $2.48/mo | Android, iOS, Mac, Web, Windows |
| 3 | UXPin | 8.0 | Free plan | $29/mo | Android, iOS, Mac, Web, Windows |
| 4 | Figma Slides | 7.6 | No | $3/mo | Android, iOS, Linux, Mac, Web, Windows |
| 5 | Justinmind | 7.6 | Free plan | $19/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 6 | Proto.io | 7.6 | Free plan | $29/mo | Android, iOS, Web |
| 7 | ProtoPie | 7.6 | Free plan | $25/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 8 | Marvel | 7.5 | Free plan | $12/mo | Android, API, iOS, Web |
| 9 | Lunacy | 7.3 | Free plan | $1/mo | Linux, Mac, self-hosted, Web, Windows |
| 10 | Penpot | 7.2 | Free plan | $7/mo | API, self-hosted, Web |
| 11 | Wondershare Mockitt | 7.2 | Free plan | $10/mo | Web, Windows, Mac, Linux |
| 12 | MockFlow | 7.0 | Free plan | Free | Browser, Mac, Web, Windows |
| 13 | Frame0 | 6.8 | Free plan | $79/mo | Windows, Mac, Linux |
| 14 | Visily | 6.8 | Free plan | $14/mo | Browser, Web |
| 15 | Axure RP | 6.7 | No | $29/mo | Mac |
| 16 | Moqups | 6.7 | Free plan | $7/mo | Browser, Web |
| 17 | Uizard | 6.7 | Free plan | $3.25/mo | Browser, Web |
| 18 | ForeUI | 6.6 | No | €130/mo | Windows, Mac, Linux |
| 19 | Balsamiq Wireframes | 6.5 | No | $16/mo | Mac, Web, Windows |
| 20 | NinjaMock | 6.5 | Free plan | Free | Web |
| 21 | Quant-UX | 6.5 | Free plan | Free | self-hosted, Web |
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Questions about Fluid UI alternatives
What is the best alternative to Fluid UI?
Mockplus, number 2 in UI design tools with a score of 8.0 out of 10. The others here: UXPin, Figma Slides, Justinmind and 16 more.
What is the best free alternative to Fluid UI?
Mockplus is the best-ranked alternative with a free plan. 16 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.