Fluid UI
by Fluid UIFluid UI suits designers, product managers, developers, entrepreneurs, and others who need to communicate app ideas.
Facts read 21 Sep 2026 – 15 Oct 2026
Before development, wireframe tools help arrange screens, trace flows, and define interactions. Use this list to examine fidelity, prototype behavior, collaboration, exports, mobile apps, and design-system support.
| Name | In a line | Record score | Price from | Try it free | Runs on | Facts read |
|---|---|---|---|---|---|---|
| 01 Fluid UI | Fluid UI suits designers, product managers, developers, entrepreneurs, and others who need to communicate app ideas. | 6.5 | $8.25 a month | Free plan | Android, iPhone & iPad, Web, Windows | 30 Sep 2026 |
| 02 Mockplus | Mockplus may suit designers, product managers, and non-designers developing early ideas, as well as designers refining interface details. | 6.4 | $2.98 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 14 Oct 2026 |
| 03 UXPin | UXPin suits individuals and product teams building interactive prototypes and sharing them for comments. | 6.3 | $29 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, Windows | 27 Sep 2026 |
| 04 Justinmind | Justinmind suits design teams, business analysts, and developers who need to create and share interactive web or mobile prototypes. | 6.1 | $19 a month | Free plan | Android, iPhone & iPad, Web, Windows | 15 Oct 2026 |
| 05 Figma | Figma suits product teams that need shared design, prototyping, development handoff, whiteboarding, or presentation tools. | 6.0 | $3 a month | Free plan | Android, iPhone & iPad, Web, Windows | 28 Sep 2026 |
| 06 Marvel | Marvel suits individuals and teams building and sharing app or website concepts, then handing design details to developers. | 6.0 | $12 a month, billed yearly | Free plan | Android, iPhone & iPad, Web, API | 15 Oct 2026 |
| 07 Frame0 | Frame0 may suit people creating low-fidelity wireframes, interactive prototypes, or diagrams on a desktop. | 5.4 | $79 one-time | Free plan | Windows, Mac, Linux | 7 Oct 2026 |
| 08 Penpot | Penpot suits solo users, small teams, mid-market organizations, and enterprises needing shared design and developer handoff. | 5.4 | $7 a month | Free plan | Web, API, Self-hosted | 2 Oct 2026 |
| 09 Moqups | Moqups suits individuals, solo professionals, and teams creating visual product or web materials. | 5.2 | $11 a month | Free plan | Web, Browser extension, API | 15 Oct 2026 |
| 10 NinjaMock | It suits individuals and teams creating interactive app or website wireframes, prototypes, and presentations in a browser. | 5.2 | $85 a month, billed yearly | Free plan | Web | 9 Oct 2026 |
The finder is ordered by release recency, using figures makers publish without a score. Depending on the product, access may be through a browser, macOS, Windows, iOS, Android, or an extension.
Fluid UI suits designers, product managers, developers, entrepreneurs, and others who need to communicate app ideas.
Mockplus may suit designers, product managers, and non-designers developing early ideas, as well as designers refining interface details.
AndroidiPhone & iPadWeb+4UXPin suits individuals and product teams building interactive prototypes and sharing them for comments.
AndroidiPhone & iPadWeb+2Justinmind suits design teams, business analysts, and developers who need to create and share interactive web or mobile prototypes.
AndroidiPhone & iPadWeb+4Figma suits product teams that need shared design, prototyping, development handoff, whiteboarding, or presentation tools.
AndroidiPhone & iPadWeb+2Marvel suits individuals and teams building and sharing app or website concepts, then handing design details to developers.
Frame0 may suit people creating low-fidelity wireframes, interactive prototypes, or diagrams on a desktop.
Penpot suits solo users, small teams, mid-market organizations, and enterprises needing shared design and developer handoff.
Moqups suits individuals, solo professionals, and teams creating visual product or web materials.
It suits individuals and teams creating interactive app or website wireframes, prototypes, and presentations in a browser.
Sketch suits UI and UX designers working on interfaces, design systems, and prototypes, as well as teams that need browser-based review and developer handoff.
Cairn suits founders, product managers, agencies, freelancers and technical teams who want to map screens, roles and data flows before building.
Visily suits founders, product managers, analysts, developers and teams who need to make UI mockups without a design-focused workflow.
Basic may suit personal and nonprofit visual thinking.
Pencil suits people creating interface mockups or diagrams on Linux, macOS, or Windows who want a free desktop tool.
Draftium suits people planning website layouts who want to arrange pages and blocks, preview responsive prototypes, and collect comments through a shared link.
Choose a wireframe detail level that fits your project's needs. A lower-detail approach can clarify structure, while higher fidelity can show interface decisions more closely.
Review the prototype interactions available in each tool. Interaction support matters when you need to demonstrate movement between screens or test a planned flow before development.
Real-time collaboration can help people work on a wireframe together. Check this measure alongside export formats if your workflow moves designs between people or applications.
Listed starting prices include €39 for Cairn, $79 for Frame0, $19 a month for Justinmind, and $7 per user each month with annual billing for Moqups.
Check whether a tool runs on the web, macOS, Windows, iOS, Android, or an extension. Reusable pattern libraries may make design-system work easier, and export choices shape handoff.