# mo vs BooKoo

The clearest difference is ads: mo at none against BooKoo's shown. mo also leads on update cadence (daily vs every 5 days) and iOS requirement (15.0 vs 17.0). On price, 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.

mo ships an update daily, BooKoo every 5 days. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | mo | BooKoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 5 days |
| Size | 84 MB | 80 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bind In Co., Ltd.](https://appshunter.io/developer/1895614174) | [Hyo Jang](https://appshunter.io/developer/1763418183) |

## What reviewers say

### mo

[App page](https://appshunter.io/ios/app/moa/id6764089097)

**In-app purchases:** none


### BooKoo

[App page](https://appshunter.io/ios/app/bookoo-shared-ledger/id6805969489)

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

**In-app purchases:** none


## Frequently asked questions

### Is mo free?

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

### Is BooKoo free?

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

### Do mo or BooKoo have ads?

BooKoo shows ads; mo does not.

### Which is updated more often, mo or BooKoo?

mo ships an update daily, and BooKoo every 5 days. Most recently, mo was updated on October 7, 2026 and BooKoo on October 14, 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.*