# xDelete vs simos.app

The clearest difference is monetization model: simos.app at free against xDelete's paid. simos.app also leads on rating (5.0 vs 4.7) and update cadence (every 4 days vs every 2 weeks). xDelete's advantage is ratings volume (498 vs 2) and device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

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

simos.app holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: xDelete has 498 ratings behind it against 2, so its average is the more settled of the two.

xDelete ships an update every 2 weeks, simos.app every 4 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | xDelete | simos.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (498 ratings)](https://appshunter.io/ios/app/xdelete/id1471996797/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simosapp/id6760018423/reviews)** |
| Number of ratings | **498** | 2 |
| Positive reviews | 72.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Paid | **Free** |
| Size | 265 MB | 6 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [xAutomotive GmbH](https://appshunter.io/developer/1471996796) | [Tycho Sebastian Holzer](https://appshunter.io/developer/1882338941) |

## 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


### simos.app

[App page](https://appshunter.io/ios/app/simosapp/id6760018423)

This tool provides diagnostic, data logging, and flashing capabilities for VAG petrol engines with specific Simos ECUs. Monitor real-time engine parameters, analyze recorded sessions with graphs, and update your ECU with stock or custom tunes.

**Highlights:** Real-time ECU parameter monitoring, Live data logging via Bluetooth LE, ECU identification (software/calibration IDs), Multi-channel graph analysis of logged sessions, ECU and TCU flashing (stock and custom tunes), Support for Simos 18.x and 12.1 ECUs

**In-app purchases:** none


## Frequently asked questions

### Is xDelete free?

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

### Is simos.app free?

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

### Which has better reviews, xDelete or simos.app?

simos.app is rated higher. xDelete averages 4.7 out of 5 from 498 ratings, while simos.app averages 5.0 from 2 ratings.

### Do xDelete or simos.app have ads?

Neither xDelete nor simos.app shows ads.

### Which is updated more often, xDelete or simos.app?

xDelete ships an update every 2 weeks, and simos.app every 4 days. Most recently, xDelete was updated on October 10, 2026 and simos.app on October 1, 2026.

---

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