Discover the Best Principle Alternatives for UI/UX Design
Principle makes it easy to create animated and interactive user interface designs. Whether you're designing the flow of a multi-screen app, or new interactions and animations, Principle lets you create designs that look and feel amazing. While Principle is a powerful tool for UI/UX design, many designers seek alternatives for various reasons, including specific feature needs, platform compatibility, or budget considerations. This guide explores some of the top Principle alternatives that offer similar or enhanced functionalities to elevate your design workflow.
Top Principle Alternatives
Looking to switch from Principle or explore other robust tools for your UI/UX prototyping and animation needs? Here are some of the leading alternatives that provide excellent capabilities for bringing your design visions to life.

InVision
InVision is a widely popular platform dedicated to helping you deliver the best possible digital product experience. As a Freemium platform available on Web, Android, iPhone, Android Tablet, and iPad, it's a strong Principle alternative. Key features include Prototyping, Import from Sketch, Design handoff, Real time collaboration, and integrations with tools like Basecamp, GitHub, Jira, Slack, and Trello, making it ideal for collaborative design workflows.

ProtoPie
ProtoPie is an intuitive tool for turning UI/UX design ideas into highly interactive prototypes for mobile, desktop, web, and even IoT. This commercial Principle alternative is available on Mac, Windows, Android, iPhone, Android Tablet, and iPad. It stands out with features like Animation, Import from Sketch, Interactive Prototyping, No coding required, Prototyping, and UX Design, offering a comprehensive solution for detailed interactions.

Marvel
Marvel is a collaborative design platform that allows you to wireframe, prototype, and design online, and create design specs all in one place. This Freemium platform supports a wide array of devices including Android, iPhone, Android Tablet, iPad, Apple Watch, Apple TV, and Apple Messages, as well as being a Software as a Service (SaaS). It offers strong Prototyping capabilities, Anonymous Commenting, and a Built-in Commenting System, making it a versatile Principle alternative for team-based projects.

Framer
Framer combines the power of code with the ease of visual editing, perfect for prototyping beautiful microinteractions or realistic apps. This commercial Principle alternative is available on Mac, emphasizing design with development in mind. Key features include Design handoff, Live Preview, and advanced Prototyping, appealing to designers who appreciate a code-centric approach.

Adobe XD
Adobe XD (Experience Design) is a vector-based tool from Adobe Inc. for designing and prototyping user experiences for web and mobile apps. As a Freemium Principle alternative, it's available on Mac, Windows, Android, iPhone, Android Tablet, and iPad. Its rich feature set includes Prototyping, Interactive Mockups, Responsive design, UX Design, Animation, Live Preview, and the ability to Share design specs, making it a comprehensive choice within the Adobe ecosystem.

Origami Studio
Origami Studio is a free design tool built by Facebook designers for creating interactive UI prototypes. Available on Mac, Android, and iPhone, it offers an elegant, layer-based interface for rapidly creating prototypes. As a free Principle alternative, its focus on UI Design and Prototyping makes it an excellent choice for those seeking a no-cost, high-fidelity prototyping solution.

Flinto
Flinto for Mac is a comprehensive app prototyping tool that allows you to create anything from simple tap-through prototypes to complex ones with impressive animations. This commercial Principle alternative is available on Mac and iPhone, focusing on robust Prototyping features to bring your designs to life with intricate interactions.

STUDIO
STUDIO lets you easily design & publish websites from scratch without writing any code. With options to start from a blank canvas, wireframe, or template, this Freemium Principle alternative is Web-based. It offers features like Custom types builder, Responsive design, Web Development, Web hosting, Website builder, and WYSIWYG Support, making it perfect for designers who also need to implement their creations directly.

MockFlow
MockFlow is a web-based wireframing and mockup tool that requires nothing to download or install, allowing you to create and access your mockups from anywhere. As a Freemium Principle alternative delivered as Software as a Service (SaaS), it excels in Wireframing, Real time collaboration, and supports Internal links and Export to HTML, ideal for quick ideation and presentation.

Adobe Comp CC
Adobe Comp CC makes it easy to lay out ideas and create mock-ups on mobile with real assets like photos, text, shapes, and fonts. This free Principle alternative is available on Android, iPhone, Android Tablet, and iPad, perfect for mobile-first designers needing a flexible tool for initial design sketches.
Whether you prioritize advanced animation, collaborative features, specific platform compatibility, or a particular price point, these Principle alternatives offer a wide range of options to suit your UI/UX design workflow. Explore each tool to find the best fit for your unique needs and elevate your design projects.