Best Free UX-App Alternatives — 12 Tools Compared in 2026

What is Mockplus?

Mockplus is a rapid wireframe tool for prototyping user interface and software design. It is compatible with various desktop and mobile platforms, allowing user to instantly share interactive designs via Sketchbook or a similar file format. Bootstrap integration makes it easy to construct web ...

What is UXPin?

UXPin is a code-based prototyping tool used by UX/UI designers who need to create interactive prototypes that closely resemble production interfaces, complete with real component states and conditional logic. Unlike image-based tools, it lets designers apply design system components and ...

What is UXCam?

UXCam is a photo editor app for the iPhone that lets the user take photos, and then apply different effects such as oil paint, water color, crayon or pencil sketch by simply swiping their fingers across the screen. If photo is of an object, user can turn it into a drawing with any of ...

What is UserX?

UserX is a UX analytics platform used by product teams at software businesses to consolidate disparate UX metrics—session recordings, heatmaps, user feedback—into a single unified view instead of toggling between separate tools. It targets the pain point of siloed UX data that makes it ...

What is Proto.io?

Proto.io is the perfect solution to meet all prototype needs. It is an intuitive and user-friendly platform with a simple drag and drop interface, equipping creators with every necessary tool to easily get started. Building a top-notch prototype is made easier with its massive selection of ...

What is Figma?

Figma is a browser-based UI design and prototyping tool used by product designers, UX teams, and front-end developers to collaborate on interface design in real time from any operating system. It replaces desktop design tools by storing files in the cloud, enabling simultaneous editing, ...

What is Adobe XD?

Adobe XD is a vector-based UI design and prototyping tool for UX designers and product teams building interfaces for web, desktop, and mobile. It enables designers to create high-fidelity mockups, link screens into interactive prototypes, and share developer specs—all within one file. Requires ...

What is Smartlook?

Smartlook is a session recording and behavioral analytics platform used by product and UX teams at web and mobile app companies who need to understand user behavior beyond pageview counts. It records user sessions, tracks custom events, and segments recordings by user attributes so teams can ...

What is Userlytics?

Founded in 2009, Userlytics is a user experience research platform with a global participant pool of nearly 2 million panelists. It supports both moderated and unmoderated usability studies for websites, apps, and prototypes, with flexible pricing and a worldwide panel. The platform includes ...

What is Justinmind?

Justinmind is a wireframing and prototyping tool for UX/UI designers who need to build interactive mockups for both mobile and desktop that simulate gestures, tab navigation, and conditional content without coding. Its Dynamic Panels feature lets designers prototype native app ...

What is InVision?

InVision is a prototyping and design collaboration tool used by UX designers and product teams to create clickable mockups, gather stakeholder feedback, and iterate on product flows without writing code. It enables teams to share designs for review and collect inline comments, reducing ...

What is Lookback?

Lookback is a visual-diagramming tool, that enables anyone to easily capture the workflow of their team and provides insight into bottlenecks, miscommunication, and repetitive tasks. With Lookback, user can make hotspots in any image on userr screen, visualize user flows and create interactive ...