18.4
UXPin is a design and prototyping platform for building interactive prototypes with states, logic, conditional flows, variables and dynamic content.
Free planAndroidiOSWeb
Best Interface Design Tools in 2026
Interface design tools let you map screens, make clickable prototypes and ready designs for development. Listings may cover browser-based work, desktop apps or self-hosted setups. Use prototype capability, developer handoff, design systems, collaboration, version history and offline desktop access as comparison points. Check supported platforms directly if you need an Android app, iPhone or iPad access, or a Windows…
28.3
Figma is a collaborative design platform for teams working on digital products, presentations and related projects.
Free planAndroidiOSWeb
38.3
Justinmind is an interaction design and prototyping tool for web and mobile apps.
Free planAndroidiOSWeb
- 4
Mockplus
Mockplus is a product design platform for rapid prototyping, collaboration and design systems.
Free planAndroidiOSWebExtension8.3From $2.98 a month - 5
Marvel
Marvel is a design platform for creating wireframes, mockups, interactive prototypes, and design specifications in one place.
Free planAndroidiOSWebAPI8.2From $12 a month - 6
ProtoPie
ProtoPie is a high-fidelity prototyping platform for creating and testing interactive digital experiences.
Free planAndroidiOSWebAPI7.9From $25 a month - 7
Fluid UI
Fluid UI is a web-based tool for creating, editing, previewing, sharing, and exporting mockups of mobile apps.
Free planAndroidiOSWebLinux7.7From $8.25 a month - 8
Proto.io
Proto.io is a web-based, no-code tool for creating interactive prototypes for iOS, Android, and web.
Free planAndroidiOSWeb7.7From $29 a month - 9
Moqups
Moqups combines wireframing, mockups, diagrams, prototypes, and whiteboarding in an online app.
Free planWebAPIExtension7.6From $11 a month - 10
Visily
Visily is a browser-based AI UI design tool for people who need app mockups and product designs.
Free planWebExtension7.3From $14 a month - 11
7.2From $20 a month - 12
Sketch
Sketch covers product design work from interface creation through design systems, interactive prototypes, and developer handoff.
iOSWebmacOS7.2From $12 a month - 13
Penpot
Penpot is an open-source design platform for teams that supports collaboration between designers and developers.
Free planWebAPISelf-hosted7.1From $7 a month - 14
NinjaMock
NinjaMock is a web tool for designing app and website mockups, building navigable prototypes, and sharing work with collaborators.
Free planWeb7.0From $85 a month - 15
Wireframe.cc
Wireframe.cc is a web-based tool for sketching page layouts and interface ideas.
Free planWeb7.0Free plan - 16
MockFlow
MockFlow is a visual workspace for brainstorming and planning with diagrams, mind maps, flowcharts, moodboards, storyboards, wireframes, and lite prototypes.
Free planWebExtensionmacOSWindows6.9Free plan - 17
Axure RP
Axure RP is a prototyping tool for creating interactive UX designs with triggers, conditions, actions, and variables.
macOS6.8From $29 a month - 18
Uizard
Uizard is a cloud-based design tool available on the web and as a browser extension.
Free planWebExtension6.8From $39 a year - 19
WireframeSketcher
WireframeSketcher is a paid desktop application and Eclipse plug-in for creating wireframes, mockups, and prototypes for desktop, web, and mobile applications.
LinuxmacOSWindows6.8$89 one-time - 20
Origami Studio
Origami Studio is a free design tool for building and sharing interactive interface prototypes.
Free planAndroidiOSmacOS6.7Free plan - 21
Pencil Project
Pencil Project is a free, open-source desktop tool for creating GUI mockups, wireframes, and diagrams.
Free planLinuxmacOSWindows6.5Free plan - 22
Balsamiq Wireframes
Balsamiq Wireframes is a wireframing and prototyping tool available for macOS, Windows, and the web, with both desktop and cloud deployment.
WebmacOSWindows6.4From $16 a month - 23
Quant-UX
Quant-UX is a research, usability and prototyping tool for creating interactive designs and collecting data-driven insights.
Free planWebSelf-hosted6.4Free plan - 24
Wireflow
Wireflow is a browser-based tool for creating user flow prototypes, with no installation required.
Free planWebSelf-hosted6.1Free plan - 25
Principle
iOSWebmacOS5.0
Choosing well
Check Android access
Android appears among the supported platforms for this category, alongside web, iOS, Windows, macOS and self-hosted options. Confirm the platform shown for the tool you want before signing up.
Compare free and paid plans
Trying a free plan or trial lets you evaluate a tool before committing to payment. Read the plan details and check whether the features you need are included.
Listed pricing includes Flinto at $99 with a 14-day trial, Justinmind with a free plan and paid tiers beginning at $19 per month, and Moqups from $7 per user monthly on annual billing.
Match prototyping to handoff
Use the prototype capability comparison to match the level of interaction you need. Check developer handoff details if your workflow moves from design into code.
Design systems are another comparison point when you need shared components, styles or reusable patterns.
Review teamwork features
Teams editing or reviewing together may need real-time collaboration. Version history records prior revisions and allows a return to an earlier state.
Check these fields against the way your team communicates and approves interface changes.
Choose desktop or hosting needs
If offline work matters, look for the offline desktop app comparison and confirm whether macOS or Windows fits your computer.
Self-hosted availability is listed as a platform option. Check the listing when hosting control is part of your requirements.
Questions people ask
Can I use an interface design tool on Android?
Android is a supported platform in this category, but support differs by tool. Check the individual platform details for an Android app or browser access.
Are free plans available?
Items on this list include a no-cost plan. Listings also show paid pricing or trials where provided, so compare the plan details before choosing.
Which tools offer trials?
Flinto lists a 14-day trial, and Justinmind lists a 10-day trial. Check the current listing for trial terms before starting.
Can I work offline on a desktop?
Offline desktop app is a comparison field for this category. Check the tool's supported platforms and desktop details to confirm offline use.
What should developers check before handoff?
Compare developer handoff and design systems fields. These indicate how a tool fits a workflow from interface design to development.