# GAN vs Car Keeper

The clearest difference is rating: Car Keeper at 5.0 against GAN's 2.5. Car Keeper also leads on review sentiment (64% vs 44%). GAN's advantage is iOS requirement (10.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

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

Car Keeper holds the better App Store score, 5.0 against 2.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews point the same way: 44% of GAN's written reviews are positive against 64% of Car Keeper's.

GAN ships an update every 5 weeks, Car Keeper monthly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GAN | Car Keeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (4 ratings)](https://appshunter.io/ios/app/gan/id1201195956/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/car-keeper/id1530823470/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 44.1% of reviews | **63.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | Free |
| Size | 48 MB | 19 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [GAN Tuning Buro GmbH](https://appshunter.io/developer/1478093519) | [Semyon Motin](https://appshunter.io/developer/962744297) |

## What reviewers say

### GAN

[App page](https://appshunter.io/ios/app/gan/id1201195956)

Control your car's engine performance via Bluetooth using this app. Select from various operating modes like Eco or Sport, and utilize a "Warm-up" function for cold weather. A demo mode is available to explore features before purchasing the device.

**Highlights:** Bluetooth device management, Multiple operating modes (Eco, Sport), Engine warm-up function, Demo mode for evaluation, Customizable car spirit

**Features:** macOS Compatibility

**In-app purchases:** none


### Car Keeper

[App page](https://appshunter.io/ios/app/car-keeper/id1530823470)

Manage vehicle maintenance, track expenses, and receive service reminders with this smart digital logbook. It helps you plan upcoming services, record all work done, and even analyze fuel quality from photos.

**Highlights:** Digital service book, Maintenance reminders, Expense tracking, Fuel quality analysis, Support for multiple vehicles, Automatic vehicle data import

**In-app purchases:** none


## Frequently asked questions

### Is GAN free?

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

### Is Car Keeper free?

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

### Which has better reviews, GAN or Car Keeper?

Car Keeper is rated higher. GAN averages 2.5 out of 5 from 4 ratings, while Car Keeper averages 5.0 from 2 ratings.

### Do GAN or Car Keeper have ads?

Neither GAN nor Car Keeper shows ads.

### Which is updated more often, GAN or Car Keeper?

GAN ships an update every 5 weeks, and Car Keeper monthly. Most recently, GAN was updated on November 2, 2026 and Car Keeper on November 3, 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.*