# Top Free Prototyping Software ## How Many Prototyping Software Products Does G2 Track? **Total Products under this Category:** 70 ### Category Stats (Jul 2026) - **Average Rating:** 4.37/5 (↑0.02 vs Jun 2026) The average rating of products in this category, based on all submitted ratings - **Top Trending Product:** Evrybo (+12.5%) - Among all products in this category, Evrybo recorded the largest rating increase compared to last month _Last updated: July 25, 2026_ ## How Does G2 Rank Prototyping Software Products? **Why You Can Trust G2's Software Rankings:** - 30 Analysts and Data Experts - 19,600+ Authentic Reviews - 70+ Products - Unbiased Rankings G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category. [ Miro ](https://www.g2.com/products/miro/reviews) By [Miro](https://www.g2.com/sellers/miro) [ 4.6/5(13,334) ](https://www.g2.com/products/miro/reviews) What do users say? Users consistently praise Miro for its ease of use and collaborative features, which facilitate seamless teamwork and brainstorming sessions. The platform's intuitive design allows teams to visualize Pros and Cons [ Ease of Use (4144) ](https://www.g2.com/products/miro/reviews?qs=pros-and-cons)[ Missing Features (1419) ](https://www.g2.com/products/miro/reviews?qs=pros-and-cons) [ App Builder ](https://www.g2.com/products/appbuilder/reviews) By [Infragistics](https://www.g2.com/sellers/infragistics) [ 4.5/5(46) ](https://www.g2.com/products/appbuilder/reviews) What do users say? Users consistently praise the ease of use and drag-and-drop functionality of the App Builder, which allows both developers and non-developers to create applications quickly and efficiently. The platfo Pros and Cons [ Ease of Use (12) ](https://www.g2.com/products/appbuilder/reviews?qs=pros-and-cons)[ Customization Issues (3) ](https://www.g2.com/products/appbuilder/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) [ Sketch ](https://www.g2.com/products/sketch/reviews) By [Sketch B.V.](https://www.g2.com/sellers/sketch-b-v) [ 4.5/5(1,226) ](https://www.g2.com/products/sketch/reviews) What do users say? Users consistently praise the clean interface and ease of use of Sketch, highlighting its effectiveness in creating consistent design systems with features like symbols and shared styles. Many appreci Pros and Cons [ Ease of Use (13) ](https://www.g2.com/products/sketch/reviews?qs=pros-and-cons)[ Platform Exclusivity (6) ](https://www.g2.com/products/sketch/reviews?qs=pros-and-cons) [ Balsamiq ](https://www.g2.com/products/balsamiq/reviews) By [Balsamiq](https://www.g2.com/sellers/balsamiq) [ 4.2/5(501) ](https://www.g2.com/products/balsamiq/reviews) What do users say? Users consistently praise the ease of use and speed of Balsamiq, highlighting its intuitive drag-and-drop interface that allows for quick wireframe creation. Many appreciate how it enables rapid proto Pros and Cons [ Ease of Use (9) ](https://www.g2.com/products/balsamiq/reviews?qs=pros-and-cons)[ Limited Capabilities (3) ](https://www.g2.com/products/balsamiq/reviews?qs=pros-and-cons) [ UXPin ](https://www.g2.com/products/uxpin/reviews) By [UXPin](https://www.g2.com/sellers/uxpin) [ 4.2/5(118) ](https://www.g2.com/products/uxpin/reviews) What do users say? Users consistently praise the ease of use and collaboration features of UXPin, highlighting its intuitive interface that allows for quick prototyping and seamless teamwork. Many appreciate the ability [ Visily ](https://www.g2.com/products/visily/reviews) By [Visily](https://www.g2.com/sellers/visily) [ 4.4/5(35) ](https://www.g2.com/products/visily/reviews) What do users say? Users consistently praise the ease of use and AI-driven design features of Visily, which significantly streamline the prototyping process and enhance collaboration. Many appreciate how it allows non-d Pros and Cons [ Ease of Use (10) ](https://www.g2.com/products/visily/reviews?qs=pros-and-cons)[ Expensive (3) ](https://www.g2.com/products/visily/reviews?qs=pros-and-cons) [ Mockplus ](https://www.g2.com/products/jongde-software-llc-mockplus/reviews) By [Mockplus Technology](https://www.g2.com/sellers/mockplus-technology) [ 4.5/5(15) ](https://www.g2.com/products/jongde-software-llc-mockplus/reviews) What do users say? Users consistently praise the ease of use and collaboration features of Mockplus, highlighting its ability to streamline design workflows and facilitate teamwork. The platform's comprehensive tools fo [ Axure RP ](https://www.g2.com/products/axure-rp/reviews) By [Axure](https://www.g2.com/sellers/axure) [ 4.2/5(277) ](https://www.g2.com/products/axure-rp/reviews) What do users say? Users consistently praise the ease of use and powerful prototyping capabilities of Axure RP, highlighting its ability to create complex, interactive designs without coding. Many appreciate the extensi [ Fluid UI ](https://www.g2.com/products/fluid-ui/reviews) By [Fluid Software](https://www.g2.com/sellers/fluid-software) [ 4.1/5(22) ](https://www.g2.com/products/fluid-ui/reviews) What do users say? Users consistently praise the ease of use and intuitive interface of this software, making it accessible for both beginners and experienced designers. Many appreciate the ability to create prototypes [ Storyboard ](https://www.g2.com/products/storyboard/reviews) By [Crank Software](https://www.g2.com/sellers/crank-software) [ 4.7/5(13) ](https://www.g2.com/products/storyboard/reviews) What do users say? Users consistently praise the ease of use and user-friendly interface of Storyboard, highlighting its ability to facilitate quick UI prototyping without extensive technical knowledge. Many appreciate [ Proto.io ](https://www.g2.com/products/proto-io/reviews) By [Proto.io](https://www.g2.com/sellers/proto-io) [ 4.1/5(68) ](https://www.g2.com/products/proto-io/reviews) What do users say? Users consistently praise the ease of use and interactive prototyping capabilities of Proto.io, highlighting its intuitive drag-and-drop interface that allows for quick creation of realistic prototype Pros and Cons [ Ease of Use (1) ](https://www.g2.com/products/proto-io/reviews?qs=pros-and-cons)[ Complexity (1) ](https://www.g2.com/products/proto-io/reviews?qs=pros-and-cons) [ iRise ](https://www.g2.com/products/irise/reviews) By [iRise](https://www.g2.com/sellers/irise) [ 3.6/5(29) ](https://www.g2.com/products/irise/reviews) What do users say? Users consistently praise the ease of use and collaboration features of iRise, which facilitate quick prototyping and effective communication with stakeholders. Many appreciate how it allows for rapid [ ProtoPie ](https://www.g2.com/products/protopie/reviews) By [Protopie](https://www.g2.com/sellers/protopie) [ 4.4/5(24) ](https://www.g2.com/products/protopie/reviews) What do users say? Users consistently praise the ease of use and powerful prototyping capabilities of ProtoPie, highlighting its ability to create realistic prototypes that enhance stakeholder communication. Many apprec [ Anima ](https://www.g2.com/products/anima-app-anima/reviews) By [Anima App.](https://www.g2.com/sellers/anima-app) [ 4.3/5(63) ](https://www.g2.com/products/anima-app-anima/reviews) What do users say? Users consistently praise Anima for its ease of use and ability to streamline design-to-code processes, allowing designers to quickly convert Figma prototypes into functional code. Many appreciate how Pros and Cons [ Ease of Use (4) ](https://www.g2.com/products/anima-app-anima/reviews?qs=pros-and-cons)[ Complexity (2) ](https://www.g2.com/products/anima-app-anima/reviews?qs=pros-and-cons) [ Moonchild AI ](https://www.g2.com/products/moonchild-ai/reviews) By [Moonchild](https://www.g2.com/sellers/moonchild) [ 4.4/5(8) ](https://www.g2.com/products/moonchild-ai/reviews) Product Description Moonchild AI is an AI design platform built for product teams to design UI screens, user flows, and interactive prototypes that match their brand and design system. The platform helps teams move from Pros and Cons [ Creativity (1) ](https://www.g2.com/products/moonchild-ai/reviews?qs=pros-and-cons)[ Exporting Issues (1) ](https://www.g2.com/products/moonchild-ai/reviews?qs=pros-and-cons) [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. 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