# mmmBook vs Cosmopilates

The clearest difference is update cadence: mmmBook at every 9 days against Cosmopilates's every 2 months. mmmBook also leads on iOS requirement (12.4 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.

mmmBook ships an update every 9 days, Cosmopilates every 2 months. The most recent releases landed on September 27, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | mmmBook | Cosmopilates |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 24 MB | 192 MB |
| Requires iOS | **12.4** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [mmmEat](https://appshunter.io/developer/1643696843) | [COSMOPILATES](https://appshunter.io/developer/1759376204) |

## What reviewers say

### mmmBook

[App page](https://appshunter.io/ios/app/mmmbook/id1643696841)

**In-app purchases:** none


### Cosmopilates

[App page](https://appshunter.io/ios/app/cosmopilates/id6575385422)

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

**In-app purchases:** none


## Frequently asked questions

### Is mmmBook free?

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

### Is Cosmopilates free?

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

### Do mmmBook or Cosmopilates have ads?

Neither mmmBook nor Cosmopilates shows ads.

### Which is updated more often, mmmBook or Cosmopilates?

mmmBook ships an update every 9 days, and Cosmopilates every 2 months. Most recently, mmmBook was updated on September 27, 2026 and Cosmopilates 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.*