e85Cal vs xDelete
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
e85Cal
This app assists users in calculating the precise amounts of standard and ethanol gasoline needed to achieve a desired ethanol percentage in their fuel mix. It simplifies the process by taking into account tank size, current fuel level, and the ethanol content of available fuel types.
- Calculate ethanol percentage goal
- Enter gas tank size
- Input standard pump gas ethanol %
- Input ethanol pump gas ethanol %
- Set target ethanol % mix
- Enter current fuel level %
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e85Cal help you calculate your ethanol percentage goal. It fast, simple, and easy to use. Just enter the following information: 1) How big is your gas tank? 2) What is the ethanol % in the standard pump gas? 3) What is the ethanol % in the ethanol pump gas? 4) What is your target ethanol % mix goal? 5) What is your current ethanol % min in your vehicle? 6) What is your current fuel level % in your vehicle? Results will display how many gallons or liters of standard and ethanol gas to pump in your vehicle based on your input.
xDelete
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.
- 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
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More Information on our website: https://www.xautomotive.com/products/xdelete xDelete will enable you to switch between AWD, AWD Sport and RWD in your xDrive equipped car! Or go custom and change the power distribution with an easy slider! With xDelete Live, you can now switch your xDrive mode instantly while driving! Flash once and then switch between 4WD, 2WD and 4WD Sport on the fly — directly from your smartphone or with a simple in-car gesture. You can even choose individual presets for every DSC mode (ON, OFF and Traction) and view real-time data and your current AWD mode directly in xDelete. xDelete Live is currently available for BMW F-Series, with support for E and G-Series already in development. xDelete supports most BMW from MY 2004 up to MY 2021! (E, F and G-Series BMW) Please go to https://www.xautomotive.com/pages/supported-cars for details! Facts: * Smartphone/Tablet App to configure your xDrive-System * Switch between 4WD, 2WD and 4WD Sport * xDelete Live: Switch modes instantly while driving * Individual xDrive presets for every DSC mode * 100% safe for your car * Not detectable by the dealer * No additional hardware to install * No fault codes triggered * Steering Assist, ABS & DSC stay fully functional * You can leave your car in RWD mode forever, or change between AWD and RWD whenever you like * You can manage unlimited vehicles on one device (Licenses are per vehicle)
Screenshots
Verdict
The clearest difference is monetization model: e85Cal at free against xDelete's paid. e85Cal also leads on review sentiment (82% vs 73%) and iOS requirement (12.1 vs 15.0). xDelete's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (496 vs 35). On price, rating, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for e85Cal against 4.7 for xDelete. That said, the two scores are not equally well evidenced: xDelete has 496 ratings behind it against 35, so its average is the more settled of the two. Written reviews are what separate them: 82% of e85Cal's written reviews are positive against 73% of xDelete's.
e85Cal ships an update every 4 months, xDelete fortnightly. The most recent releases landed on July 23, 2026 and September 22, 2026 respectively.
| Parameter | e85Cal | xDelete |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (35 ratings) | 4.7 (496 ratings) |
| Positive reviews | 81.8% of reviews — better | 73.1% of reviews |
| Number of ratings | 35 | 496 — better |
| Update frequency | Every 4 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.1 — better | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 266 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Joe | xAutomotive GmbH |
Customer experience
e85Cal
xDelete
Bugs and requests
e85Cal
Not enough reviews yet to summarise bugs or requests.
xDelete
Reported bugs
4 issues- Login screen freezes
- Incompatible with older devices
- App becomes completely unresponsive until reinstalled
- Cannot switch back to xdrive after flashing to rwd
Requested features
3 requests- Add 2WD only setting
- Dark mode option
- Advanced analytics dashboard
In-app purchases
e85Cal
No in-app purchases
xDelete
No in-app purchases
