# Spool Ethanol Analyzer vs xDelete

The clearest difference is rating: xDelete at 4.7 against Spool Ethanol Analyzer's 4.1. xDelete also leads on review sentiment (73% vs 40%) and update cadence (fortnightly vs every 13 months). Spool Ethanol Analyzer's advantage is monetization model (free vs paid) and iOS requirement (11.0 vs 15.0). 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.

xDelete holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: xDelete has 498 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 40% of Spool Ethanol Analyzer's written reviews are positive against 73% of xDelete's.

Spool Ethanol Analyzer ships an update every 13 months, xDelete fortnightly. The most recent releases landed on June 9, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Spool Ethanol Analyzer | xDelete |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (14 ratings)](https://appshunter.io/ios/app/spool-ethanol-analyzer/id1418992096/reviews) | **[4.7 (498 ratings)](https://appshunter.io/ios/app/xdelete/id1471996797/reviews)** |
| Number of ratings | 14 | **498** |
| Positive reviews | 40.0% of reviews | **73.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 9 MB | 263 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ajay Rajeev](https://appshunter.io/developer/1418992095) | [xAutomotive GmbH](https://appshunter.io/developer/1471996796) |

## What reviewers say

### Spool Ethanol Analyzer

[App page](https://appshunter.io/ios/app/spool-ethanol-analyzer/id1418992096)

This application connects to a wireless sensor kit to measure in-tank ethanol content and fuel temperature. It also features a mixing ratio calculator that can be used independently of the sensor hardware.

**Highlights:** Connects to Spool Wireless Ethanol Sensor Kit, Measures in-tank ethanol content, Measures fuel temperature, Includes mixing ratio calculator, Uses Low energy Bluetooth protocols, Fast and reliable data

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Spool Ethanol Analyzer free?

Spool Ethanol Analyzer is free to download, with no in-app purchases.

### Is xDelete free?

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

### Which has better reviews, Spool Ethanol Analyzer or xDelete?

xDelete is rated higher. Spool Ethanol Analyzer averages 4.1 out of 5 from 14 ratings, while xDelete averages 4.7 from 498 ratings.

### Do Spool Ethanol Analyzer or xDelete have ads?

Neither Spool Ethanol Analyzer nor xDelete shows ads.

### Which is updated more often, Spool Ethanol Analyzer or xDelete?

Spool Ethanol Analyzer ships an update every 13 months, and xDelete fortnightly. Most recently, Spool Ethanol Analyzer was updated on June 9, 2026 and xDelete on September 28, 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.*