# M vs Group03カレンダー

The clearest difference is update cadence: Group03カレンダー at every 2 months against M's every 15 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 15 months, Group03カレンダー every 2 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | M | Group03カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Size | 13 MB | 52 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [株式会社極東](https://appshunter.io/developer/1540042103) | [katsutoshi Kono](https://appshunter.io/developer/1582632451) |

## What reviewers say

### M

[App page](https://appshunter.io/ios/app/m-1/id1540042101)

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

**In-app purchases:** none


### Group03カレンダー

[App page](https://appshunter.io/ios/app/group03/id1582632449)

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

**In-app purchases:** none


## Frequently asked questions

### Is M free?

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

### Is Group03カレンダー free?

Group03カレンダー is free to download, with no in-app purchases.

### Do M or Group03カレンダー have ads?

Neither M nor Group03カレンダー shows ads.

### Which is updated more often, M or Group03カレンダー?

M ships an update every 15 months, and Group03カレンダー every 2 months. Most recently, M was updated on October 1, 2026 and Group03カレンダー on October 6, 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.*