e85Cal vs My Flasher US
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 %
Read full descriptionHide full description
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.
My Flasher US
This app allows users to tune and optimize their car's ECU through a connected plug-in dongle. It offers features like reading/writing ECU data, seamless dealer communication, and automatic vehicle identification for a personalized tuning experience.
- Read & Write ECU Data
- Seamless Dealer Communication
- Automatic Vehicle Identification
- Secure and Easy-to-Use Interface
- ECU Tuning and Optimization
Read full descriptionHide full description
Unlock Your Car’s Full Potential with Our Smart Tuning App! Our mobile application works seamlessly with a plug-in dongle that connects to your car’s ECU, giving you complete control over your vehicle’s tuning and optimization. Key Features: - Read & Write ECU Data – Connect to the dongle and access your car’s ECU effortlessly - Seamless Dealer Communication – Exchange read and modified files with your dealer directly through the app - Automatic Vehicle Identification – Instantly detect your car’s manufacturer, model, version, and engine for a tailored experience - Secure & Easy-to-Use – Designed for everyone, from beginners to professionals, ensuring a safe and hassle-free tuning experience. Enhance your driving experience with precision tuning – Download now and take control of your vehicle!
Screenshots
Verdict
The clearest difference is update cadence: My Flasher US at every 9 days against e85Cal's every 4 months. e85Cal's advantage is rating (4.7 vs 4.4) and ratings volume (37 vs 7). On price, ads, in-app purchases and monetization model 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.
e85Cal holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: e85Cal has 37 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 83% of e85Cal's written reviews are positive against 75% of My Flasher US's.
e85Cal ships an update every 4 months, My Flasher US every 9 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | e85Cal | My Flasher US |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (37 ratings) — better | 4.4 (7 ratings) |
| Positive reviews | 83.3% of reviews — better | 75.0% of reviews |
| Number of ratings | 37 — better | 7 |
| Update frequency | Every 4 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.1 — better | 15.4 |
| Further details — not scored | ||
| Size | 15 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Michael Joe | SwitchOver Inc. |
Customer experience
e85Cal
My Flasher US
In-app purchases
e85Cal
No in-app purchases
My Flasher US
No in-app purchases
