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Thorium Builder
What Thorium Builder is
Thorium Builder is a drag-and-drop Mac application for creating progressive web apps and native hybrid apps. Its visual editor provides dozens of configurable widgets, while a Monaco-based editor supports JavaScript custom code, autocomplete, code folding, and syntax highlighting. The builder can generate Xcode and Android Studio projects ready to compile, using Capacitor.js for native hybrid app generation. Database choices include SQLite, MySQL/PHP through dbExpress, remote services through a JSON REST API plugin, and Firebase Auth with Cloud Firestore. Documented integrations include Google Analytics, Google Maps API, OneSignal push notifications for PWA projects, JSON API, and Firebase. Thorium includes mobile publishing support, a built-in database, user authentication, and API integrations. The free Thorium Free Web Builder 4 plan costs nothing for Apple Silicon and Intel Macs running macOS 10.15 or newer. Native project generation requires a Mac, with Xcode for iOS and Android Studio for Android.
Who it suits
Thorium Builder suits Mac users creating progressive web apps or hybrid mobile projects with visual widgets and optional JavaScript. It is also aimed at builders needing databases, authentication, APIs, and publishing tools.
What it does well
- Drag-and-drop visual editor
- Generates Xcode and Android projects
- JavaScript editor with code assistance
- Multiple database options
- Built-in authentication and API integrations
What to know first
- Native builds require a Mac
- iOS requires Xcode
- Android requires Android Studio
- App-store acceptance is not guaranteed
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Thorium Free Web Builder 4 | Web builder · Apple Silicon and Intel Mac · macOS 10.15 (Catalina) or newer | Free |
| Thorium Builder 4 | Mac app for Apple Silicon or Intel · macOS 11 (Big Sur) or newer | On request |
As thoriumbuilder.com lists them, read 12 Oct 2026. The maker's own page has the final word.
Verdict
Thorium Builder combines visual app construction with generated native project files and several backend options. Mac and toolchain requirements remain important, and generated apps are not guaranteed store acceptance.
Facts from Thorium Builder's own pages
- API integrations
- Yes · thoriumbuilder.com, 21 Sept 2026
- App types
- both · thoriumbuilder.com, 21 Sept 2026
- Built-in database
- Yes · thoriumbuilder.com, 21 Sept 2026
- Custom code
- The Monaco-based code editor supports JavaScript custom code, autocomplete, code folding, and syntax highlighting. · thoriumbuilder.com, 12 Oct 2026
- Database options
- Database options include SQLite or MySQL/PHP through dbExpress, remote services through a JSON REST API plugin, and Firebase Auth with Cloud Firestore. · thoriumbuilder.com, 12 Oct 2026
- Free plan
- Yes · thoriumbuilder.com, 21 Sept 2026
- Integrations
- Documented plugins include Google Analytics, Google Maps API, OneSignal push notifications for PWA projects, JSON API, and Firebase. · thoriumbuilder.com, 12 Oct 2026
- Mobile publishing
- Yes · thoriumbuilder.com, 21 Sept 2026
- Native app projects
- It generates Xcode and Android Studio projects ready to compile, with Capacitor.js powering native hybrid app generation. · thoriumbuilder.com, 12 Oct 2026
- Native build requirements
- Generating iOS and Android projects requires a Mac plus Xcode for iOS and Android Studio for Android. · thoriumbuilder.com, 12 Oct 2026
- Purpose
- Thorium Builder is a drag-and-drop Mac app for creating progressive web apps and native hybrid apps. · thoriumbuilder.com, 12 Oct 2026
- Release status
- The download page identifies Version 4 as the latest release and lists November 2024 as its last release date. · thoriumbuilder.com, 12 Oct 2026
- Security and privacy
- The maker says its applications do not collect personal information, including from children under 13; its website uses Google Analytics and temporarily stores HTTP request data. · thoriumbuilder.com, 12 Oct 2026
- Store submission limits
- Thorium says app generation does not guarantee acceptance by Apple or Google app stores. · thoriumbuilder.com, 12 Oct 2026
- Support and warranty
- The EULA says software, documentation, and tutorials are provided as-is without warranty, and directs questions to [email protected]. · thoriumbuilder.com, 12 Oct 2026
- User authentication
- Yes · thoriumbuilder.com, 21 Sept 2026
- Website security
- The maker says website data is protected using SSL encryption and that it applies technical measures against manipulation, loss, and unauthorized access. · thoriumbuilder.com, 12 Oct 2026
- Widgets
- The visual editor includes dozens of ready-to-use widgets that users can drag into pages and configure. · thoriumbuilder.com, 12 Oct 2026
Where Thorium Builder stands on Freedom251
- No-code app builders#67 of 177