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Thorium Builder

Freemium#122 of 173 in No-Code App Builders

Thorium Builder: A free visual builder for progressive web apps and hybrid iOS and Android projects. Ranked #122 of 173 in No-Code App Builders by our editors (3.0/10); pricing: Free plan; best for free hybrid web and mobile prototypes.

3.0/10Editor score

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Thorium Builder3.0 Visit Thorium

At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Free hybrid web and mobile prototypes
Free plan
Yes
App types
Both
Facts checked
21 Sep 2026

Where it wins
- Creates PWAs and hybrid iOS and Android app projects
- Supports SQLite, MySQL/PHP, Firebase, and JSON REST APIs
- Includes authentication, forms, maps, and custom JavaScript editing
Where it doesn't
- The builder runs as a macOS desktop application
- Mobile publishing requires Xcode and Android Studio project workflows
- Custom JavaScript may be needed beyond visual editing

Our verdict on Thorium Builder

Thorium Builder is a macOS desktop visual editor for creating progressive web apps and native hybrid applications for iOS and Android. It is suited to individuals and teams that want to assemble interfaces with drag-and-drop widgets while retaining access to custom JavaScript. The free plan makes it a practical option for prototypes and early application work, particularly when web and mobile targets need to share a project foundation.

Its main strength is breadth across app fundamentals. Thorium Builder can connect projects to SQLite, MySQL/PHP, Firebase, and external JSON REST APIs, while its form builder supports validation and API submission workflows. User authentication covers registration, login, and password recovery. Maps are available through Google Maps and OpenStreetMap with Leaflet, and the platform works with Framework7 and Capacitor.js. This combination gives it a wider functional base than a tool focused only on interface mockups.

The mobile workflow is also a defining consideration. Thorium Builder generates Xcode and Android Studio projects through Capacitor, so developers can compile and publish applications using those platform tools. The integrated Monaco code editor provides a path beyond no-code configuration, but it also means some projects may require technical input. Version 4 is listed as the last release from November 2024, which is relevant for teams weighing project continuity. Choose Thorium Builder for free hybrid web and mobile prototypes with database, API, authentication, form, and mapping needs. Choose an alternative if you need a browser-based builder, a purely visual workflow, or a broader integration ecosystem.

Your product? Our editors can test Thorium Builder in depth and publish a review, labelled as paid · from $149/mo →

Thorium Builder pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 21 Sep 2026.

See plans on thoriumbuilder.com

Thorium Builder fact sheet

Free plan	Yes
Paid from	Not verified
App types	Both
Mobile publishing	Yes
Built-in database	Yes
User authentication	Yes
API integrations	Yes
App limit	Not verified
Data limit	Not verified
Deployment	Desktop
Platforms	Web, macOS, iOS, Android
Support	Email, Docs
Built for	Solo, Small business (editorial estimate)
Integrations	9 integrations: Framework7, Capacitor.js, SQLite, MySQL, Firebase, Google Maps …
Pricing	Free plan
Website	thoriumbuilder.com
Facts checked	21 Sep 2026

Thorium Builder integrations

Thorium Builder lists 9 integrations on its own site.

Framework7
Capacitor.js
SQLite
MySQL
Firebase
Google Maps
OpenStreetMap
Leaflet.js
JSON API/REST

Alternatives to Thorium Builder

See all Thorium Builder alternatives →

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Thorium Builder for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

Thorium Builder is listed in our No-Code App Builders directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update