Best Prototyping Software in 2026
Updated
In short: Justinmind is ranked #1 of 30 as of 1 October 2026, ahead of ProtoPie and Marvel. The best-ranked option with a free plan is ProtoPie. The lowest first paid tier on this page is Mockplus at $2.48/mo.
Prototyping tools let you turn interface concepts into experiences people can interact with and review. Compared on interactive prototypes, conditional logic, prototype sharing, user testing, and team collaboration, the entries offer several ways to assess fit with your design process. Platform support, free-plan availability, and paid-from pricing provide additional considerations. The ranking begins with Justinmind and ProtoPie, followed by Marvel and UXPin. Consider whether you need conditional behavior, a way to share prototypes, or support for team feedback, then compare the listed features and platform details.
30 prototyping software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
| # | Platform | Score | Why | From | Free plan | Paid from | Interactive prototypes | |
|---|---|---|---|---|---|---|---|---|
| 1 | Justinmind | 8.7 | RecognisedAPIDocumented | $19/mo | Yes | — | — | View |
| 2 | ProtoPie | 8.6 | RecognisedAPIDocumented | $25/mo | Yes | — | — | View |
| 3 |  Marvel | 8.1 | RecognisedAPIDocumented | $12/mo | Yes | 12 /user/mo | — | View |
| 4 | UXPin | 7.5 | RecognisedAPIDocumented | $29/mo | Yes | 29 /user/mo | — | View |
| 5 | Axure RP | 7.4 | RecognisedAPIDocumented | $29/mo | No | 29 /user/mo | — | View |
| 6 | Mockplus | 7.2 | RecognisedAPIDocumented | $2.48/mo | Yes | 5.95 /user/mo | — | View |
| 7 | Visily | 7.0 | RecognisedAPIDocumented | $14/mo | Yes | 11 /user/mo | — | View |
| 8 |  Wondershare Mockitt | 6.9 | RecognisedAPIDocumented | $10/mo | Yes | 10 /user/mo | — | View |
| 9 | PrototypeTool | 6.9 | RecognisedAPIDocumented | $29/mo | Yes | — | Yes | View |
| 10 | Proto.io | 6.8 | RecognisedAPIDocumented | $29/mo | Yes | — | — | View |
| 11 | Moqups | 6.7 | RecognisedAPIDocumented | $7/mo | Yes | 7 /user/mo | — | View |
| 12 | Alloy | 6.5 | RecognisedAPIDocumented | $20/mo | Yes | 20 /user/mo | Yes | View |
| 13 | Fluid UI | 6.5 | RecognisedAPIDocumented | $8.25/mo | Yes | — | — | View |
| 14 | Uizard | 6.4 | RecognisedAPIDocumented | $3.25/mo | Yes | 12 /user/mo | — | View |
| 15 | Quant-UX | 6.3 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 16 | Balsamiq Wireframes | 6.0 | RecognisedAPIDocumented | $16/mo | No | 16 /user/mo | — | View |
| 17 | NinjaMock | 6.0 | RecognisedAPIDocumented | Free | Yes | — | — | View |
| 18 | Frame0 | 5.9 | RecognisedAPIDocumented | $79/mo | Yes | — | — | View |
| 19 | Origami Studio | 5.8 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 20 | Figma Slides | 5.8 | RecognisedAPIDocumented | $3/mo | Yes | 3 /user/mo | — | View |
| 21 | HotGloo | 5.4 | RecognisedAPIDocumented | — | No | — | — | View |
| 22 | Pencil Project | 5.4 | RecognisedAPIDocumented | — | Yes | — | — | View |
| 23 |  Principle | 5.3 | RecognisedAPIDocumented | $99/mo | No | — | — | View |
| 24 | Mockapp | 5.3 | RecognisedAPIDocumented | — | Yes | — | Yes | View |
| 25 | ForeUI | 5.2 | RecognisedAPIDocumented | €130/mo | No | — | — | View |
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which prototyping software is ranked first on Inferse?
Justinmind is ranked #1 of 30 with a score of 8.7. ProtoPie is second and Marvel third.
How many of these have a free plan?
13 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Mockplus has the lowest first paid tier we found: $2.48/mo.
How is this list ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.