Requirements
- Web
- Free
- Building tools/blocks
- View on mobile
| Name | Platform | Building tools | View on mobile | Projects | Sheets/pages | Other limits |
|---|---|---|---|---|---|---|
| Cacoo | Web | Yes | No | No limit | 6 sheets | |
| CanvasFlip | Web | No | Yes | 1 | N/A | |
| Concept.ly | Web | No | iOS app | 2 | N/A | |
| Figma ¤ | Web, Mac, Windows | No | iOS app | Free until 2017 | N/A | |
| Floid | OS X | Limited | Floid Mirror | No limit | No limit | |
| Fluid UI | Web | Yes | Fluid UI player | 1 | 10 | No uploads |
| Frame Box | Web | Yes | No | With free sign up | No limit | |
| Fuse ¤ | Mac, Windows | Yes | Yes | Free | No limit | |
| Gliffy | Web | Yes | No | 5 public | Not available | |
| InVision | Web | No | Yes | 1 | No limit | |
| Ionic Creator | Mac, Windows | Yes | With Pro | 1 public | No limit | |
| iPlotz | Web, Mac, Windows | Yes | Yes | 1 | 5 | 500 MB |
| Kony Visualizer | Mac, Windows | Yes | Yes | Not unlimited? | ||
| Lumzy | Web | Desktop | No | No limit | No limit | |
| Marvel | Web | Limited | With URL | 2 | No limit | Marvel branding |
| Marvel Apps | iOS, Android | No | Yes | 2 | No limit | Marvel branding |
| MockingBot | Web, Mac, Windows | Yes | URL, Android APK, iOS IPA | No limit | No limit | 100 MB image storage |
| MockFlow | Web | Yes | ? | 1/app | No limit | 1 GB cloud storage, project restrictions |
| Mockplus | Mac, Windows, Android, iOS | Yes | Preview with QR | No limit | No limit | |
| Mockup.io | Web | No | With Prototype Simulator App | No limit | No limit | |
| Moqups | Web | Yes | No | 1 project | No limit | 300 objects, 5MB storage |
| NinjaMock | Web | Yes | QR code | No limit | No limit | Public with NinjaMock branding |
| Pencil | Mac, Windows, Linux | Yes | No? | No limit | No limit | |
| Precursor ¤ | Web | No | No | No limit | No limit | |
| Proto.io | Web | Yes | Proto.io App | 1 active | 5 | 10 MB storage |
| Prototyping on Paper ¤ | Web | No | Yes | 2 | No limit | |
| Prott ¤ | Web | With Pro | In app | 1 | No limit | |
| Savah | Web | No | Yes | 1 | No limit | |
| snapp | Web | Yes | Build | 3 | No limit | |
| SnapUp | Web | Yes | No | No limit | No limit | |
| Symu.co | Web | No | ? | 1 | 5 | |
| Vectr | Web | No | No | No limit | No limit | |
| Wireframe.cc | Web | Limited | Yes in Premium? | Public | 1 | |
| Wires | Web | Yes | Maybe? | No limit | No limit | |
| Zeplin ¤ | Web | No | ? | 1 | No limit |