# Carly vs G

The clearest difference is rating: Carly at 4.6 against G's 3.7. Carly also leads on ads (none vs shown) and ratings volume (9.9K vs 3). G's advantage is in-app purchases (none vs 12). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Carly sells 12 in-app purchases, starting at $11.99 per year. G asks for nothing beyond the download.

Carly holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Carly has 9.9K ratings behind it against 3, so its average is the more settled of the two.

Carly ships an update weekly, G every 4 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Carly | G |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9.9K ratings)](https://appshunter.io/ios/app/carly-obd2-car-scanner/id467344155/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/g-force-meter-plus-accelerometer/id6760181285/reviews) |
| Number of ratings | **9.9K** | 3 |
| Positive reviews | 29.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 417 MB | 53 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Carly Solutions GmbH Co KG](https://appshunter.io/developer/408379680) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### Carly

[App page](https://appshunter.io/ios/app/carly-obd2-car-scanner/id467344155)

This app allows car owners to diagnose issues, monitor live engine data, and perform maintenance tasks. It offers advanced features like coding hidden car functions and detecting mileage manipulation, helping users save on repairs and understand their vehicle's health.

**Highlights:** Read and clear fault codes from all ECUs, Monitor engine live data parameters, Step-by-step car repair guides, Perform car maintenance and reset service intervals, Check starter battery condition, Code and unlock hidden car features, Detect mileage manipulation

**Features:** Vision Pro support

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Smart Mechanic | $11.99 | per year |
| Toyota | $21.99 | per year |
| Mercedes | $28.99 | per year |
| Smart Mechanic | $35.99 | per year |
| Volkswagen, Audi, Seat, Skoda | $53.99 | per year |
| Carly for BMW Full-Version | $59.99 | per year |
| BMW and Mini | $63.99 | per year |
| All Brands Upgrade | $78.99 | per year |
| All Brands | $82.99 | per year |
| VW/Audi/Seat/Skoda + Mechanic | $89.99 | per year |
| BMW and Mini + Smart Mechanic | $99.99 | per year |
| All Brands + Smart Mechanic | $118.99 | per year |

**What reviewers like**

- 👍 Great customer service
- 🚀 Lots of functionality
- 💡 Useful diagnostic and coding features
- 🔒 Secure and reliable

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Connectivity and compatibility issues
- 🔍 Limited functionality for some vehicles
- 📚 Confusing or lacking documentation

**Reported bugs**

- App crashes or freezes
- Adapter not working as expected
- Inaccurate or misleading diagnostic information

**Requested features**

- More vehicle support
- Improved user interface
- Offline functionality
- Easier subscription management


### G

[App page](https://appshunter.io/ios/app/g-force-meter-plus-accelerometer/id6760181285)

Measure real-time G-forces on three axes with a precision crosshair display. Track peak G, acceleration history, and impact forces. Ideal for car performance, roller coasters, aviation, and physics experiments.

**Highlights:** 3-axis G-force tracking, Precision crosshair display, Peak G detection, Real-time chart recording, G-force level guide, Adjustable sensitivity

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Carly free?

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

### Is G free?

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

### Which has better reviews, Carly or G?

Carly is rated higher. Carly averages 4.6 out of 5 from 9.9K ratings, while G averages 3.7 from 3 ratings.

### Do Carly or G have ads?

G shows ads; Carly does not.

### Which is updated more often, Carly or G?

Carly ships an update weekly, and G every 4 days. Most recently, Carly was updated on October 20, 2026 and G on October 16, 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.*