# M vs Casto Flasher

The clearest difference is update cadence: Casto Flasher at monthly against M's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

M ships an update every 3 months, Casto Flasher monthly. The most recent releases landed on October 4, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | M | Casto Flasher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Size | 1 MB | 64 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [M-JET FLASHER GmbH](https://appshunter.io/developer/1868671631) | [ZL Softare GmbH](https://appshunter.io/developer/6788573355) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-jet-module/id6757938177)

**In-app purchases:** none


### Casto Flasher

[App page](https://appshunter.io/ios/app/casto-flasher/id6797246314)

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Casto Flasher free?

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

### Do M or Casto Flasher have ads?

Neither M nor Casto Flasher shows ads.

### Which is updated more often, M or Casto Flasher?

M ships an update every 3 months, and Casto Flasher monthly. Most recently, M was updated on October 4, 2026 and Casto Flasher on October 20, 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.*