# Brainwave vs 図書貸出管理

The clearest difference is in-app purchases: Brainwave at none against 図書貸出管理's 1. Brainwave also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 図書貸出管理 sells 1 one-off in-app purchase. Brainwave asks for nothing beyond the download.

Brainwave ships an update every 9 days, 図書貸出管理 weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Brainwave | 図書貸出管理 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 49 MB | 3 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiku LLC](https://appshunter.io/developer/1822264751) | [Masamichi Nakada](https://appshunter.io/developer/1616494891) |

## What reviewers say

### Brainwave

[App page](https://appshunter.io/ios/app/brainwave-ai/id6747668001)

**In-app purchases:** none


### 図書貸出管理

[App page](https://appshunter.io/ios/app/id6757092809)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro版へのアップグレード | $14.99 | one-time |


## Frequently asked questions

### Is Brainwave free?

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

### Is 図書貸出管理 free?

図書貸出管理 is free to download, with in-app purchases available.

### Do Brainwave or 図書貸出管理 have ads?

Neither Brainwave nor 図書貸出管理 shows ads.

### Which is updated more often, Brainwave or 図書貸出管理?

Brainwave ships an update every 9 days, and 図書貸出管理 weekly. Most recently, Brainwave was updated on October 25, 2026 and 図書貸出管理 on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*