# xDelete vs KTuner FlexFuel

The clearest difference is monetization model: KTuner FlexFuel at free against xDelete's paid. KTuner FlexFuel also leads on update cadence (daily vs fortnightly) and rating (5.0 vs 4.7). xDelete's advantage is ratings volume (496 vs 1). On price, ads, in-app purchases and device support there is nothing between them.

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

KTuner FlexFuel holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: xDelete has 496 ratings behind it against 1, so its average is the more settled of the two.

xDelete ships an update fortnightly, KTuner FlexFuel daily. The most recent releases landed on September 22, 2026 and August 19, 2026 respectively.

## The numbers

| Metric | xDelete | KTuner FlexFuel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (496 ratings)](https://appshunter.io/ios/app/xdelete/id1471996797/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ktuner-flexfuel/id6447161311/reviews)** |
| Number of ratings | **496** | 1 |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Paid | **Free** |
| Size | 266 MB | 41 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [xAutomotive GmbH](https://appshunter.io/developer/1471996796) | [Peter Linszter](https://appshunter.io/developer/530077583) |

## What reviewers say

### xDelete

[App page](https://appshunter.io/ios/app/xdelete/id1471996797)

This app allows you to switch between AWD, AWD Sport, and RWD modes in your BMW xDrive vehicle. You can also customize power distribution. It's a safe and reversible process that doesn't trigger fault codes or require hardware installation.

**Highlights:** Switch between AWD, AWD Sport, and RWD, Customize power distribution, Supports most BMWs (2004-2021), No hardware installation required, 100% safe and reversible, Not detectable by dealers

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Works as described
- 👍 Easy to use
- 👍 Great customer service
- 👍 3 years strong
- 👍 Wonder app

**What reviewers complain about**

- 🐛 No support, account deleted after refund request
- 🐛 App wont load
- 🐛 Has not been working
- 🐛 Not compatible BMW X62014
- 🐛 Glitches

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- App becomes completely unresponsive until reinstalled
- Cannot switch back to xdrive after flashing to rwd

**Requested features**

- Add 2WD only setting
- Dark mode option
- Advanced analytics dashboard


### KTuner FlexFuel

[App page](https://appshunter.io/ios/app/ktuner-flexfuel/id6447161311)

This utility app connects to specific hardware units via Bluetooth to display real-time ethanol content and temperature. It provides essential data for users monitoring fuel mixtures.

**Highlights:** Bluetooth BLE connectivity, Real-time ethanol content display, Real-time temperature display, Supports KTuner FlexFuel units

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is xDelete free?

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

### Is KTuner FlexFuel free?

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

### Which has better reviews, xDelete or KTuner FlexFuel?

KTuner FlexFuel is rated higher. xDelete averages 4.7 out of 5 from 496 ratings, while KTuner FlexFuel averages 5.0 from 1 ratings.

### Do xDelete or KTuner FlexFuel have ads?

Neither xDelete nor KTuner FlexFuel shows ads.

### Which is updated more often, xDelete or KTuner FlexFuel?

xDelete ships an update fortnightly, and KTuner FlexFuel daily. Most recently, xDelete was updated on September 22, 2026 and KTuner FlexFuel on August 19, 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.*