# Felgo 3 QML Dev App vs CFR AI

The clearest difference is in-app purchases: Felgo 3 QML Dev App at none against CFR AI's 4. Felgo 3 QML Dev App also leads on ratings volume (3 vs 1) and iOS requirement (12.0 vs 26.0). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. CFR AI sells 4 in-app purchases, starting at $0.99 per 7 days. Felgo 3 QML Dev App asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Felgo 3 QML Dev App against 5.0 for CFR AI. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Felgo 3 QML Dev App ships an update every 5 weeks, CFR AI every 2 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Felgo 3 QML Dev App | CFR AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/felgo-3-qml-dev-app/id1157319191/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cfr-ai-title-37/id6569217371/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | **Free** | Subscription |
| Size | 103 MB | 13 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 12+ |
| Developer | [FELGO GmbH](https://appshunter.io/developer/606142210) | [SmerDev Studio LLC](https://appshunter.io/developer/1732547078) |

## What reviewers say

### 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


### CFR AI

[App page](https://appshunter.io/ios/app/cfr-ai-title-37/id6569217371)

Access and understand Title 37 of the Code of Federal Regulations with AI-powered insights. Get instant, accurate answers to complex questions about patents, trademarks, and copyrights. Includes features for notes, calendar, and reminders.

**Highlights:** AI-powered GPT-4o guidance, Instant answers on Title 37, Example questions for exploration, Interactive AI chatbot, Notes, calendar, and reminders, User-friendly interface

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CFR AI 37 Weekly | $0.99 | per 7 days |
| CFR AI 37 Monthly | $3.99 | per month |
| CFR AI 37 Biannual | $23.99 | per 6 months |
| CFR AI 37 Annual | $45.99 | per year |


## Frequently asked questions

### Is Felgo 3 QML Dev App free?

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

### Is CFR AI free?

CFR AI is free to download, with in-app purchases available.

### Which has better reviews, Felgo 3 QML Dev App or CFR AI?

Felgo 3 QML Dev App and CFR AI are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Felgo 3 QML Dev App or CFR AI have ads?

Neither Felgo 3 QML Dev App nor CFR AI shows ads.

### Which is updated more often, Felgo 3 QML Dev App or CFR AI?

Felgo 3 QML Dev App ships an update every 5 weeks, and CFR AI every 2 months. Most recently, Felgo 3 QML Dev App was updated on November 2, 2026 and CFR AI on October 30, 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.*