# BookBank(読書銀行) 読書記録・蔵書管理 vs 積DROP

The clearest difference is iOS requirement: 積DROP at 15.5 against BookBank(読書銀行) 読書記録・蔵書管理's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. BookBank(読書銀行) 読書記録・蔵書管理 sells 3 one-off in-app purchases and 積DROP sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

BookBank(読書銀行) 読書記録・蔵書管理 ships an update every 11 days, 積DROP every 9 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | BookBank(読書銀行) 読書記録・蔵書管理 | 積DROP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 23 MB | 57 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ryo Tsudukihashi](https://appshunter.io/developer/1320583602) | [ForeGroove Inc.](https://appshunter.io/developer/1837127960) |

## What reviewers say

### BookBank(読書銀行) 読書記録・蔵書管理

[App page](https://appshunter.io/ios/app/bookbank/id1487377681)

Track your reading expenses and manage your book collection. Automatically register books by scanning barcodes or searching, and visualize your spending on books with insightful graphs. Keep notes and share your reading progress.

**Highlights:** Barcode book registration, Automatic book data import, Searchable book library, Reading expense visualization, Book-specific notes, Reading record sharing

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |


### 積DROP

[App page](https://appshunter.io/ios/app/drop/id6781525555)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Small Coffee | $0.49 | one-time |
| A Light Meal | $2.99 | one-time |
| A Lunch | $5.99 | one-time |
| A Dinner Treat | $11.99 | one-time |


## Frequently asked questions

### Is BookBank(読書銀行) 読書記録・蔵書管理 free?

BookBank(読書銀行) 読書記録・蔵書管理 is free to download, with in-app purchases available.

### Is 積DROP free?

積DROP is free to download, with in-app purchases available.

### Do BookBank(読書銀行) 読書記録・蔵書管理 or 積DROP have ads?

Neither BookBank(読書銀行) 読書記録・蔵書管理 nor 積DROP shows ads.

### Which is updated more often, BookBank(読書銀行) 読書記録・蔵書管理 or 積DROP?

BookBank(読書銀行) 読書記録・蔵書管理 ships an update every 11 days, and 積DROP every 9 days. Most recently, BookBank(読書銀行) 読書記録・蔵書管理 was updated on October 24, 2026 and 積DROP on October 13, 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.*