# Cocoas vs ブックタワー

Cocoas and ブックタワー are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Cocoas ships an update every 3 weeks, ブックタワー every 10 days. The most recent releases landed on October 3, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Cocoas | ブックタワー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Size | 38 MB | 6 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KOJI ASAMIZU](https://appshunter.io/developer/1821761089) | [Sota Hidaka](https://appshunter.io/developer/6783721753) |

## What reviewers say

### Cocoas

[App page](https://appshunter.io/ios/app/cocoas/id6747536759)

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

**In-app purchases:** none


### ブックタワー

[App page](https://appshunter.io/ios/app/id6805204447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cocoas free?

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

### Is ブックタワー free?

ブックタワー is free to download, with no in-app purchases.

### Do Cocoas or ブックタワー have ads?

Neither Cocoas nor ブックタワー shows ads.

### Which is updated more often, Cocoas or ブックタワー?

Cocoas ships an update every 3 weeks, and ブックタワー every 10 days. Most recently, Cocoas was updated on October 3, 2026 and ブックタワー on October 25, 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.*