# Diooist vs M

The clearest difference is update cadence: M at every 4 days against Diooist's every 3 months. Diooist's advantage is iOS requirement (11.0 vs 16.0). 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.

Diooist ships an update every 3 months, M every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Diooist | M |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/m-jet-diagnostic/id6763019613/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 56 MB | 14 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [子昂 李](https://appshunter.io/developer/1741659620) | [M-JET FLASHER GmbH](https://appshunter.io/developer/1868671631) |

## What reviewers say

### Diooist

[App page](https://appshunter.io/ios/app/diooist/id6499391524)

**Features:** macOS Compatibility

**In-app purchases:** none


### M

[App page](https://appshunter.io/ios/app/m-jet-diagnostic/id6763019613)

This professional diagnostic tool connects wirelessly to BRP vehicles, allowing users to read and clear fault codes, monitor live data, and generate diagnostic reports. It's designed for both private owners and professional mechanics to maintain their Sea-Doo, Ski-Doo, and Can-Am vehicles.

**Highlights:** Read & clear fault codes, Live data monitoring, Vehicle identification, Diagnostic reports, Wireless vehicle connection

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Diooist free?

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

### Is M free?

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

### Do Diooist or M have ads?

Neither Diooist nor M shows ads.

### Which is updated more often, Diooist or M?

Diooist ships an update every 3 months, and M every 4 days. Most recently, Diooist was updated on October 25, 2026 and M on October 28, 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.*