# Tabris.js vs Felgo 3 QML Dev App

The clearest difference is review sentiment: Tabris.js at 100% against Felgo 3 QML Dev App's 80%. Felgo 3 QML Dev App's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tabris.js ships an update every 3 months, Felgo 3 QML Dev App every 5 weeks. The most recent releases landed on October 2, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Tabris.js | Felgo 3 QML Dev App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/felgo-3-qml-dev-app/id1157319191/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | **100.0% of reviews** | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 103 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Innoopract Informationssysteme GmbH](https://appshunter.io/developer/540346689) | [FELGO GmbH](https://appshunter.io/developer/606142210) |

## What reviewers say

### Tabris.js

[App page](https://appshunter.io/ios/app/tabrisjs/id939600018)

This app helps developers write and test scripts for a mobile framework. It offers interactive examples of widgets and layouts, allows access to personal scripts via GitHub, and enables testing of custom scripts by providing a URL to a local server. Users can also view console output for debugging.

**Highlights:** Interactive widget and layout examples, Browse local JavaScript source code, Access personal scripts via GitHub, Test custom scripts with local server URL, View console output for debugging, Explore Tabris.js framework features

**In-app purchases:** none


### Felgo 3 QML Dev App

[App page](https://appshunter.io/ios/app/felgo-3-qml-dev-app/id1157319191)

Develop and test Qt and Felgo apps in real-time on your device without needing mobile SDKs. Explore over 20 demos and 200 examples with full source code to enhance your development skills. Access comprehensive API documentation and search for relevant components.

**Highlights:** Real-time app preview on device, Develop without mobile SDKs, 20+ app demos with source code, 200+ component examples, API reference and search, Hot Reload functionality

**In-app purchases:** none


## Frequently asked questions

### Is Tabris.js free?

Tabris.js is free to download, with no in-app purchases.

### Is Felgo 3 QML Dev App free?

Felgo 3 QML Dev App is free to download, with no in-app purchases.

### Do Tabris.js or Felgo 3 QML Dev App have ads?

Neither Tabris.js nor Felgo 3 QML Dev App shows ads.

### Which is updated more often, Tabris.js or Felgo 3 QML Dev App?

Tabris.js ships an update every 3 months, and Felgo 3 QML Dev App every 5 weeks. Most recently, Tabris.js was updated on October 2, 2026 and Felgo 3 QML Dev App on October 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*