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Best Interface Design Tools in 2026

Use interface design tools to map screens, make clickable prototypes, record design-system details, and pass work to developers. The selection spans browser, desktop, mobile, and self-hosted products for budget-minded shoppers.

  1. 1

    Figma

    by Figma
    Free plan AndroidiPhoneMac+2

    Figma covers several collaborative product and presentation workflows, with free and paid options. Check Starter's file and page limits and the billing terms for the plan or seat you need.

    7.6 Free plan · paid from $12/user/mo (annual) Visit site
  2. 2

    Fluid UI

    by Fluid UI
    Free plan AndroidiPhoneLinux+3

    Fluid UI combines mockup creation, interactive prototyping and review features, with plans ranging from a free account to paid options.

    7.6 Free plan · paid from $8.25/mo Visit site
  3. 3

    Justinmind

    Free plan AndroidAPIiPhone+4

    Justinmind combines interactive prototyping, collaboration, reusable UI assets, and export options.

    7.5 Free plan · paid from $19/mo · 10-day trial Visit site
  4. 4

    Marvel

    by Marvel
    Free plan AndroidAPIiPhone+1

    Marvel brings concept design, interactive presentations and developer handoff into one platform. Check the one-project free-plan limit and annual Pro pricing against your team's needs.

    7.5 Free plan · paid from $12/user/mo (annual) · 7-day trial Visit site
  5. 5

    MockFlow

    Free plan ExtensionMacWeb+1

    Choose MockFlow if you want wireframing and lite prototyping alongside a broad set of visual brainstorming tools.

    7.4 Free plan Visit site
  6. 6

    Mockplus

    by Mockplus
    Free plan AndroidExtensioniPhone+4

    Mockplus combines prototyping with developer handoff and collaboration tools, with free options and paid plans for expanded use.

    7.4 Free plan · paid from $5.95/user/mo (annual) Visit site
  7. 7

    Moqups

    Free plan APIExtensionWeb

    Moqups brings several design and collaboration activities into one browser-based workspace.

    7.2 Free plan · paid from $7/user/mo (annual) Visit site
  8. 8

    Origami Studio

    Free plan AndroidiPhoneMac

    Choose Origami Studio if you need a free tool for creating interactive interface prototypes, with video export and mobile preview through Origami Live.

    7.2 Free plan Visit site
  9. 9

    ProtoPie

    by ProtoPie
    Free plan AndroidAPIiPhone+4

    ProtoPie combines detailed interaction options with cross-device prototyping and a free starting plan. Check the free-plan limits and .pie-only export format against your workflow.

    7.2 Free plan · paid from $25/mo Visit site
  10. 10

    Pencil Project

    Free plan LinuxMacWindows

    Pencil combines interface-specific stencils, diagram shapes, and a range of export options in a desktop tool. Its links between document pages can carry through to web exports as hyperlinks.

    7.1 Free plan Visit site
  11. 11

    Penpot

    Free plan APISelf-hostedWeb

    Choose Penpot for collaborative design, prototyping, design systems, and developer code inspection, especially when self-hosting matters. Look elsewhere if a desktop app is required.

    7.1 Free plan · paid from $7/mo · 14-day trial Visit site
  12. 12

    Proto.io

    by Proto.io
    Free plan AndroidiPhoneWeb

    Proto.io combines interactive prototyping, asset libraries, and sharing in a browser-based tool. The free plan has tight project, screen, and storage limits; paid monthly plans start at $29 a month.

    7.0 Free plan · 15-day trial Visit site
  13. 13

    UXPin

    by UXPin
    Free plan AndroidiPhoneMac+2

    UXPin combines interactive prototyping, coded libraries and team sharing across web and desktop platforms.

    7.0 Free plan · paid from $29/user/mo (annual) · 14-day trial Visit site
  14. 14

    NinjaMock

    by NinjaMock
    Free plan Web

    NinjaMock combines wireframing, linked prototypes, vector editing, collaboration, and video playback.

    6.9 Free plan Visit site
  15. 15

    Quant-UX

    by Quant-UX
    Free plan Self-hostedWeb

    Quant-UX combines interactive prototyping with testing and built-in analytics, with unlimited prototypes and tests on its Free plan.

    6.8 Free plan Visit site
  16. 16

    Uizard

    by Uizard
    Free plan ExtensionWeb

    Choose Uizard if you want web-based design with prototyping, sharing, collaboration, and developer handoff.

    6.8 Free plan · paid from $12/user/mo (annual) Visit site
  17. 17

    Visily

    Free plan ExtensionWeb

    Visily combines AI-assisted design inputs, templates, and team editing in a browser-based tool.

    6.7 Free plan · paid from $11/user/mo (annual) Visit site
  18. 18

    Wireflow

    Free plan Self-hostedWeb

    Wireflow combines user flow prototyping with shared editing, project permissions, and live chat in a free browser-based offering. Users can also fork or self-host the MIT-licensed project.

    6.7 Free plan Visit site
  19. 19

    Flinto

    Free trial AndroidiPhoneMac+1

    Flinto provides detailed interaction controls on Mac alongside a web-based Lite workflow. Its paid plans and platform requirements should be checked against your prototyping setup.

    6.5 From $99 · 14-day trial Visit site
  20. 20

    Wireframe.cc

    Free plan Web

    Choose Wireframe.cc when you need browser-based layout sketches with prototypes, reusable master pages, and file exports.

    6.5 Free plan · paid from $12/user/mo (annual) Visit site
  21. 21

    Axure RP

    by Axure RP
    Free trial Mac

    Axure RP combines interactive prototyping with adaptive views and Cloud sharing. Compare Pro and Team based on whether you need team collaboration features.

    6.2 From $29/user/mo · 30-day trial Visit site
  22. 22

    Balsamiq Wireframes

    by Balsamiq Wireframes
    Paid MacWebWindows

    Balsamiq Wireframes combines wireframing, prototyping, collaboration, and handoff across web and desktop platforms. Its three paid tiers differ mainly by project capacity and monthly AI credits.

    5.9 From $16/user/mo (annual) · 14-day trial Visit site
  23. 23

    Sketch

    Free trial iPhoneMacWeb

    Sketch covers product design from interface creation through prototyping and developer handoff, with web and iOS access for review and preview.

    5.8 From $12/user/mo (annual) · 30-day trial Visit site
  24. 24

    WireframeSketcher

    by WireframeSketcher
    Free trial LinuxMacWindows

    WireframeSketcher combines desktop and Eclipse-based wireframing with reusable components, interactive prototypes, exports, and account-free sharing.

    5.7 From $89 · 14-day trial Visit site
  25. 25

    iRise

    Paid Web
    4.4 Pricing on request Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Review free access, trial periods, entry-level prices, prototyping, developer handoff, collaboration, version history, and platform coverage. If you need to read or change code, check the licence; also confirm whether offline desktop use matters to you.

Questions

Which interface design tools have a free plan?

Justinmind, MockFlow, and Moqups list free plans. Other tools on the list may use a trial or paid model; check the current plan details before choosing.

Are free trials available?

Flinto lists a 14-day trial, and Justinmind lists a 10-day trial. Trial availability and terms can change, so review the product pricing page.

What platforms do these tools support?

The products cover web, macOS, iOS, Android, Windows, and self-hosted deployments. Check the platform requirements for the tool you want.

What should I compare beyond price?

Look at prototyping, developer handoff, design-system support, live collaboration, offline desktop operation, version history, and platform coverage.

Can I read or change the source code?

Check the tool's licence and delivery model. A free plan or trial does not by itself indicate that source code is available.

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