# E85 Calculator vs xDelete

The clearest difference is review sentiment: xDelete at 73% against E85 Calculator's 25%. xDelete also leads on rating (4.7 vs 1.0) and update cadence (fortnightly vs every 29 months). E85 Calculator's advantage is monetization model (free vs paid). 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 1.0. 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. Written reviews point the same way: 25% of E85 Calculator's written reviews are positive against 73% of xDelete's.

E85 Calculator ships an update every 29 months, xDelete fortnightly. The most recent releases landed on September 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | E85 Calculator | xDelete |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/e85-calculator/id1029273167/reviews) | **[4.7 (498 ratings)](https://appshunter.io/ios/app/xdelete/id1471996797/reviews)** |
| Number of ratings | 2 | **498** |
| Positive reviews | 25.0% of reviews | **73.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 29 months | **Fortnightly** |
| Monetization | **Free** | Paid |
| Size | 3 MB | 263 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sheharyar Irfan](https://appshunter.io/developer/974971911) | [xAutomotive GmbH](https://appshunter.io/developer/1471996796) |

## What reviewers say

### E85 Calculator

[App page](https://appshunter.io/ios/app/e85-calculator/id1029273167)

This application helps performance enthusiasts and flex-fuel vehicle owners precisely calculate the amounts of E85 and gasoline needed for specific ethanol percentages or octane ratings. It offers both simple and advanced modes for fuel mixing calculations, supporting metric and imperial units.

**Highlights:** Calculate E85 and gasoline amounts, Target specific ethanol percentages, Calculate by desired octane rating, Metric and imperial unit support, Real-time calculations, Easy and advanced modes

**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 E85 Calculator free?

E85 Calculator 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, E85 Calculator or xDelete?

xDelete is rated higher. E85 Calculator averages 1.0 out of 5 from 2 ratings, while xDelete averages 4.7 from 498 ratings.

### Do E85 Calculator or xDelete have ads?

Neither E85 Calculator nor xDelete shows ads.

### Which is updated more often, E85 Calculator or xDelete?

E85 Calculator ships an update every 29 months, and xDelete fortnightly. Most recently, E85 Calculator was updated on September 8, 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.*