Best Design Tools · alternatives
Best Proto.io alternatives (2026)
13 alternatives to Proto.io in design tools, ranked by entry price. Proto.io starts at $0/mo. Every figure links to the public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
Key takeaways
- Free alternatives: Affinity, Figma, Framer, Moqups, Penpot, ProtoPie, Rive, Spline, UXPin, Zeplin.
- Closest by price: Affinity ($0/mo), Figma ($0/mo), Framer ($0/mo).
Proto.io alternatives compared
| # | Alternative | Entry price | Free | HIPAA | Best for | Source |
|---|---|---|---|---|---|---|
| 1 | Affinity | $0/mo | Yes | — | Designers wanting a free desktop alternative to subscription vector tools | affinity.studio |
| 2 | Figma | $0/mo | Yes | No | Product design teams needing end-to-end UI/UX workflow | figma.com |
| 3 | Framer | $0/mo | Yes | No | Designers building and publishing landing pages without developers | framer.com |
| 4 | Moqups | $0/mo | Yes | — | Small teams wanting one tool for wireframes and diagrams | moqups.com |
| 5 | Penpot | $0/mo | Yes | No | Teams requiring self-hosted or air-gapped design tooling | penpot.app |
| 6 | ProtoPie | $0/mo | Yes | — | Automotive and IoT teams prototyping across multiple screens and devices | protopie.io |
| 7 | Rive | $0/mo | Yes | — | Product teams shipping interactive motion into apps and games | rive.app |
| 8 | Spline | $0/mo | Yes | — | Designers adding 3D hero scenes to marketing sites | spline.design |
| 9 | UXPin | $0/mo | Yes | — | Teams wanting prototypes built from their real component library | uxpin.com |
| 10 | Zeplin | $0/mo | Yes | — | Teams handing off Figma or Sketch designs to developers | zeplin.io |
| 11 | Sketch | $12/mo | No | No | Mac-native UI/UX designers preferring offline-capable tools | sketch.com |
| 12 | Balsamiq | $23/mo | No | — | Product managers and analysts wireframing early concepts | balsamiq.com |
| 13 | Axure RP | $34/mo | No | — | UX teams prototyping complex conditional flows | axure.com |
Data current through 2026-09-10. Compare any two directly on the Design Tools index.