# MKFlasher vs Ethanol Calculator

The clearest difference is price: MKFlasher at Free against Ethanol Calculator's $9.99. Ethanol Calculator's advantage is in-app purchases (none vs 11) and update cadence (every 9 days vs monthly). On ads, device support and iOS requirement there is nothing between them.

MKFlasher is free to download; Ethanol Calculator costs $9.99 up front. MKFlasher sells 11 one-off in-app purchases. Ethanol Calculator asks for nothing beyond the download.

MKFlasher ships an update monthly, Ethanol Calculator every 9 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MKFlasher | Ethanol Calculator |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/mkflasher/id1544562450/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 66 MB | 10 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Gabriel M Kozma](https://appshunter.io/developer/1544562452) | [MOSTUNED LTD](https://appshunter.io/developer/6814598013) |

## What reviewers say

### MKFlasher

[App page](https://appshunter.io/ios/app/mkflasher/id1544562450)

Monitor your BMW's engine performance in real-time, read and clear fault codes, and capture detailed data logs. This tool allows for customizable dashboards and analysis of modifications and tune results.

**Highlights:** Real-time engine parameter monitoring, Customizable live dashboard, Read and clear fault codes, Record and export performance data logs, Multi-system diagnostics, Smart value tracking

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| License for the connected car | $23.99 | one-time |
| License for the connected car | $29.99 | one-time |
| License for the connected car | $39.99 | one-time |
| N54 Logger Master | $69.99 | one-time |
| N20 Logger Master | $69.99 | one-time |
| N55 E Series Logger Master | $69.99 | one-time |
| N55 Logger Master | $79.99 | one-time |
| B58 Logger Master | $89.99 | one-time |
| S55 Logger Master | $99.99 | one-time |
| S58 Logger Master | $99.99 | one-time |
| S63 Logger Master | $99.99 | one-time |


### Ethanol Calculator

[App page](https://appshunter.io/ios/app/ethanol-calculator-e85-fuel/id6757930343)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is MKFlasher free?

MKFlasher is free to download, with in-app purchases available.

### Is Ethanol Calculator free?

Ethanol Calculator costs $9.99, with no in-app purchases.

### Do MKFlasher or Ethanol Calculator have ads?

Neither MKFlasher nor Ethanol Calculator shows ads.

### Which is updated more often, MKFlasher or Ethanol Calculator?

MKFlasher ships an update monthly, and Ethanol Calculator every 9 days. Most recently, MKFlasher was updated on October 18, 2026 and Ethanol Calculator on October 24, 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.*