E85 Calculator vs xDelete
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E85 Calculator
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.
- 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
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E85 Calculator is your essential tool for precision fuel mixing, designed for performance enthusiasts and flex-fuel vehicle owners. KEY FEATURES: - Calculate exact amounts of E85 and gasoline needed - Target specific ethanol percentages (E30, E50, E70, E85) - Calculate by desired octane rating - Support for both metric (liters) and imperial (gallons) units - Real-time calculations with instant updates - Easy and advanced modes for different user needs EASY MODE: - Quick presets for common ethanol targets - Simple tank size selection - Intuitive slider controls for current fuel level - Basic inputs for everyday use ADVANCED MODE: - Precise control over fuel properties - Custom octane ratings input - Detailed ethanol content adjustment - Advanced fuel mixing calculations Perfect for: - Flex-fuel vehicle owners - Performance car enthusiasts - Race car tuners - Anyone mixing E85 with regular gas Get accurate calculations every time and achieve the perfect fuel blend for your vehicle's needs. Whether you're targeting a specific ethanol percentage or octane rating, E85 Calculator provides the precise measurements you need. Safe, simple, and accurate - take the guesswork out of fuel mixing with E85 Calculator.
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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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 E and F-Series, with support for G-Series 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) More Information on our website: https://www.xautomotive.com/products/xdelete
Screenshots
Verdict
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.
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.
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.
| Parameter | E85 Calculator | xDelete |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) | 4.7 (498 ratings) — better |
| Positive reviews | 25.0% of reviews | 73.1% of reviews — better |
| Number of ratings | 2 | 498 — better |
| Update frequency | Every 29 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 263 MB |
| Age rating | 4+ | 4+ |
| Developer | Sheharyar Irfan | xAutomotive GmbH |
Customer experience
E85 Calculator
xDelete
Bugs and requests
E85 Calculator
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
E85 Calculator
No in-app purchases
xDelete
No in-app purchases
