# mFlasher vs e85Cal

The clearest difference is rating: mFlasher at 5.0 against e85Cal's 4.7. mFlasher also leads on update cadence (monthly vs every 4 months) and review sentiment (100% vs 82%). e85Cal's advantage is ratings volume (35 vs 10) and iOS requirement (12.1 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

mFlasher holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 10 and 35 respectively. Written reviews point the same way: 100% of mFlasher's written reviews are positive against 82% of e85Cal's.

mFlasher ships an update monthly, e85Cal every 4 months. The most recent releases landed on June 4, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | mFlasher | e85Cal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/mflasher/id1440570927/reviews)** | [4.7 (35 ratings)](https://appshunter.io/ios/app/e85cal/id1470313135/reviews) |
| Number of ratings | 10 | **35** |
| Positive reviews | **100.0% of reviews** | 81.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 61 MB | 15 MB |
| Requires iOS | 18.6 | **12.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mission Performance, LLC](https://appshunter.io/developer/1440570926) | [Michael Joe](https://appshunter.io/developer/1132486512) |

## What reviewers say

### mFlasher

[App page](https://appshunter.io/ios/app/mflasher/id1440570927)

This app offers advanced engine and transmission tuning for enhanced performance and EV range. It provides a streamlined, intuitive ecosystem for optimizing drivability without compromising OEM reliability. Features include in-app purchase and activation for a seamless experience.

**Highlights:** Integrated engine and transmission tuning, Streamlined purchase and activation, Stage-free optimization, In-house custom tuning, OEM-chosen excellence, Globally recognized performance

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### e85Cal

[App page](https://appshunter.io/ios/app/e85cal/id1470313135)

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.

**Highlights:** 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 %

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is mFlasher free?

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

### Is e85Cal free?

e85Cal is free to download, with no in-app purchases.

### Which has better reviews, mFlasher or e85Cal?

mFlasher is rated higher. mFlasher averages 5.0 out of 5 from 10 ratings, while e85Cal averages 4.7 from 35 ratings.

### Do mFlasher or e85Cal have ads?

Neither mFlasher nor e85Cal shows ads.

### Which is updated more often, mFlasher or e85Cal?

mFlasher ships an update monthly, and e85Cal every 4 months. Most recently, mFlasher was updated on June 4, 2026 and e85Cal on July 23, 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.*