# 3plus4: Build Apps in Minutes — Create Apps with AI > AI-powered app prototyping and live preview tool with templates. (iPhone/iPad app by Emotion Computer, LLC.) - Source: https://appshunter.io/ios/app/3plus4-build-apps-in-minutes/id6746734730 (this page in markdown: same URL + `.md`) - Developer: [Emotion Computer, LLC](https://appshunter.io/developer/1804679421) - Category: Graphics & Design, Education - Price: Free with in-app purchases - Rating: 5.00/5 from 1 App Store ratings - Age rating: 4+ - Requires: iOS 18.2 · 6 MB - Languages: American English - Released: 2025-06-17 - Data updated: 2026-06-10 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/3plus4-build-apps-in-minutes/id6746734730/reviews.md ## What is 3plus4? 3plus4 Previews App

 Preview Apps and Prototypes live on your device.

 Build apps and beautiful app prototypes easily with AI Assistance. Templates Preview App Templates App Projects View your App Prototypes Edit live with AI in the app Premium subscription NOT required. Subscription unlocks more ai assistance and access better vibecode models like the latest GPT. Premium Subscription Details: • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. • The account will be charged for renewal within 24 hours before the end of the current period. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription. • Subscriptions may be managed by the user, and auto-renewal may be turned off, by going to iTunes Subscriptions after purchase. Terms of Use: https://www.emotioncomputer.com/terms-of-use Privacy Policy: https://www.emotioncomputer.com/privacy-policy ## Key features - AI-assisted app building - Live app previews - App prototype editing - Template library - Premium subscription for advanced AI ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | 3plus4 Subscription One Month | $19.99 | per month | | 3plus4 Subscription One Week | $6.99 | per 7 days | ## Frequently asked questions about 3plus4 ### What is 3plus4? 3plus4 is an application that allows users to build app prototypes and preview them live on their device. It utilizes AI assistance to help in the design process and offers various templates. ### Does 3plus4 require a premium subscription to use? No, a premium subscription is not required to use the core features of 3plus4. However, subscribing unlocks more AI assistance and access to better vibecode models like the latest GPT. ### What are the subscription options for 3plus4? 3plus4 offers a one-week subscription for $6.99 with a 3-day free trial, and a one-month subscription for $19.99. Payments are charged to your iTunes Account upon confirmation of purchase. ### How does the subscription renewal work for 3plus4? Subscriptions automatically renew unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. ### Can I cancel my 3plus4 subscription? Yes, subscriptions can be managed by the user, and auto-renewal may be turned off by going to iTunes Subscriptions after purchase. Any unused portion of a free trial will be forfeited upon purchasing a subscription. ### What devices does 3plus4 support? Currently, 3plus4 is supported on iPhone devices. It is available for iOS and has an age rating of 4+. ### How often is 3plus4 updated? The latest version of 3plus4 is 0.1.6, which was last updated on September 11, 2025. The app was initially released on June 17, 2025. ### Does 3plus4 have ads? No, 3plus4 does not contain advertisements. The app is free to download and use, with optional in-app purchases for premium subscription features. ## Version history (last 5 releases) ### 0.1.6 — 2025-09-11 Bug fixes. Support AI Created API Resources. ### 0.1.5 — 2025-09-08 Added Camera Support. Added Improved API Support. Bug fixes. ### 0.1.4 — 2025-09-03 Add Camera Support. Improve AI Code Assistant Responses. ### 0.1.3 — 2025-08-27 Better feedback while editing with AI. Improved outputs. ### 0.1.2 — 2025-08-20 Better feedback while AI is working. Made it faster. ## More apps by Emotion Computer, LLC - [Widgets - Custom Home & Lock](https://appshunter.io/ios/app/widgets-custom-home-and-lock/id6743807088) - [Checkmate - Chess Puzzles](https://appshunter.io/ios/app/checkmate-chess-puzzles/id6755747166) - [Sneaker Scan - Shoe ID](https://appshunter.io/ios/app/sneaker-scan-shoe-id/id6757681095) - [Dot - AI Personal Assistant](https://appshunter.io/ios/app/dot-ai-personal-assistant/id6758647775) - [75 Hard Daily Tracker](https://appshunter.io/ios/app/75-hard-daily-tracker/id6765732264) All apps by Emotion Computer, LLC: https://appshunter.io/developer/1804679421 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*