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 Prototyping Software in 2026
Turning an interface concept into something people can explore calls for prototyping tools with different interaction and collaboration capabilities. Compare interactive prototypes, conditional logic, prototype sharing, and user testing to see what supports your design process. Team collaboration and platform support can also shape how you create, review, and evaluate concepts. Free-plan availability and paid-from…
28.3
Justinmind is an interaction design and prototyping tool for web and mobile apps.
Free planAndroidiOSWeb
38.3
Mockplus is a product design platform for rapid prototyping, collaboration and design systems.
Free planAndroidiOSWeb
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Marvel
Marvel is a design platform for creating wireframes, mockups, interactive prototypes, and design specifications in one place.
Free planAndroidiOSWebAPI8.2From $12 a month - 5
Wondershare Mockitt
Wondershare Mockitt is a design and prototyping tool for making interactive prototypes and sharing them.
Free planAndroidiOSWebLinux8.2From $6 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
Figma Slides
Figma Slides is a collaborative presentation tool for creating and delivering decks, and is included with seats on every Figma plan.
AndroidiOSWebLinux7.3From $3 a month - 11
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 - 12
7.2From $20 a month - 13
PrototypeTool
PrototypeTool is a web-based product for building and testing interactive prototypes.
Free planWeb7.1From $29 a month - 14
Frame0
Frame0 is a desktop app for creating interactive prototypes and working with design systems.
Free planLinuxmacOSWindows7.0$79 one-time - 15
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 - 16
ProtoSketch
ProtoSketch is vector graphics design software for work spanning web, app, logo, icon, print, illustration, UI, and UX design.
Free planiOSmacOS7.0Free plan - 17
Alloy
Alloy is a product prototyping and user-testing platform that can connect to a codebase or capture pages through a browser extension.
Free planExtension6.9From $20 a month - 18
Principle
Principle is software for designing animated, interactive interfaces for web, mobile, and desktop.
iOSWebmacOSSelf-hosted6.9$129 one-time - 19
Axure RP
Axure RP is a prototyping tool for creating interactive UX designs with triggers, conditions, actions, and variables.
macOS6.8From $29 a month - 20
Uizard
Uizard is a cloud-based design tool available on the web and as a browser extension.
Free planWebExtension6.8From $39 a year - 21
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 - 22
Kite Compositor
iOSmacOS6.7 - 23
Origami Studio
Origami Studio is a free design tool for building and sharing interactive interface prototypes.
Free planAndroidiOSmacOS6.7Free plan - 24
ForeUI
ForeUI is a desktop UI prototyping tool for creating mockups, wireframes, and prototypes for applications and websites.
LinuxmacOSWindows6.6From €130 a month - 25
HotGloo
Web6.5From $11 a month