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Best Principle Alternatives in 2026

12 platforms from web design software ranked against Principle on the same published basis.

  1. 1
    Justinmind Free plan AndroidapiiOSMacself-hosted $19/mo7.3
    Principle vs Justinmind
  2. 2
    ProtoPie Free plan AndroidapiiOSMacself-hosted $25/mo7.3
    Principle vs ProtoPie
  3. 3
    Marvel Free plan AndroidapiiOSWeb $12/mo7.2
    Principle vs Marvel
  4. 4
    Penpot Free plan apiself-hostedWeb $7/mo7.2
    Principle vs Penpot
  5. 5
    Slickplan Free trial apiWeb $10.79/mo7.2
    Principle vs Slickplan
  6. 6
    Supernova Free plan apiMacWeb $35/mo7.1
    Principle vs Supernova
  7. 7
    Figma Slides AndroidiOSLinuxMacWeb $3/mo6.0
    Principle vs Figma Slides
  8. 8
    Plasmic Free plan self-hostedWeb $39/mo5.9
    Principle vs Plasmic
  9. 9
    Proto.io Free trial AndroidiOSWeb $29/mo5.9
    Principle vs Proto.io
  10. 10
    UXPin Free trial AndroidiOSMacWebWin $29/mo5.9
    Principle vs UXPin
  11. 11
    Visily Free plan extensionWeb $14/mo5.9
    Principle vs Visily
  12. 12
    Anima Free plan extensionWeb $500/mo5.8
    Principle vs Anima
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