Best Principle Alternatives in 2026
Updated
20 apps from web design software ranked against Principle on the same published basis.
- 1Principle vs Justinmind
- 2Principle vs ProtoPie
- 3Principle vs UXPin
- 4Principle vs Google Web Designer
- 5Principle vs Marvel
- 6Principle vs MockFlow
- 7Principle vs Proto.io
- 8Principle vs Wondershare Mockitt
- 9Principle vs Zeplin Flows
- 10Principle vs Plasmic
- 11Principle vs Supernova
- 12Principle vs Visily
- 13Principle vs Anima
- 14Principle vs Bootstrap Icons
- 15Principle vs Penpot
- 16Principle vs Uizard
- 17Principle vs Figma Slides
- 18Principle vs ContentTools
- 19Principle vs HTMLhouse
- 20Principle vs RapidWeaver Classic
Principle alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Justinmind | 6.7 | Free plan | $19/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 2 | ProtoPie | 6.7 | Free plan | $25/mo | Android, API, iOS, Mac, self-hosted, Web, Windows |
| 3 | UXPin | 6.7 | Free plan | $29/mo | Android, iOS, Mac, Web, Windows |
| 4 | Google Web Designer | 6.5 | Free plan | Free | Linux, Mac, Windows |
| 5 | Marvel | 6.5 | Free plan | $12/mo | Android, API, iOS, Web |
| 6 | MockFlow | 6.5 | Free plan | Free | Browser, Mac, Web, Windows |
| 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 | Zeplin Flows | 6.5 | Free plan | $12/mo | Linux, Mac, Web, Windows |
| 10 | Plasmic | 6.4 | Free plan | $39/mo | self-hosted, Web |
| 11 | Supernova | 6.4 | Free plan | $35/mo | API, Mac, Web |
| 12 | Visily | 6.4 | Free plan | $14/mo | Browser, Web |
| 13 | Anima | 6.3 | Free plan | $500/mo | Browser, Web |
| 14 | Bootstrap Icons | 6.3 | Free plan | Free | Web |
| 15 | Penpot | 6.3 | Free plan | $7/mo | API, self-hosted, Web |
| 16 | Uizard | 6.3 | Free plan | $3.25/mo | Browser, Web |
| 17 | Figma Slides | 5.9 | No | $3/mo | Android, iOS, Linux, Mac, Web, Windows |
| 18 | ContentTools | 5.3 | No | — | API, Web |
| 19 | HTMLhouse | 5.3 | No | — | Android, self-hosted, Web |
| 20 | RapidWeaver Classic | 5.3 | No | — | Mac |
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Questions about Principle alternatives
What is the best alternative to Principle?
Justinmind, number 1 in web design software with a score of 6.7 out of 10. The others here: ProtoPie, UXPin, Google Web Designer and 16 more.
What is the best free alternative to Principle?
Justinmind 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.