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Best Fluid UI Alternatives in 2026

12 apps from UI design tools ranked against Fluid UI on the same published basis.

  1. 2
    Justinmind Free plan AndroidapiiOSMacself-hosted $19/mo6.7
    Fluid UI vs Justinmind
  2. 3
    Mockplus Free plan AndroidiOSMacWebWin $2.48/mo6.7
    Fluid UI vs Mockplus
  3. 4
    ProtoPie Free plan AndroidapiiOSMacself-hosted $25/mo6.7
    Fluid UI vs ProtoPie
  4. 5
    UXPin Free plan AndroidiOSMacWebWin $29/mo6.7
    Fluid UI vs UXPin
  5. 6
    Lunacy Free plan LinuxMacself-hostedWebWin $1/mo6.6
    Fluid UI vs Lunacy
  6. 7
    Marvel Free plan AndroidapiiOSWeb $12/mo6.5
    Fluid UI vs Marvel
  7. 8
    Proto.io Free plan AndroidiOSWeb $29/mo6.5
    Fluid UI vs Proto.io
  8. 9
    Wondershare Mockitt Free plan WebWinMacLinux $10/mo6.5
    Fluid UI vs Wondershare Mockitt
  9. 10
    Frame0 Free plan WinMacLinux $79/mo6.4
    Fluid UI vs Frame0
  10. 11
    Penpot Free plan apiself-hostedWeb $7/mo6.4
    Fluid UI vs Penpot
  11. 12
    Visily Free plan extensionWeb $14/mo6.4
    Fluid UI vs Visily
  12. 13
    Moqups Free plan extensionWeb $7/mo6.3
    Fluid UI vs Moqups
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