# ビジオス　ビジネス書アプリ vs e本棚

The clearest difference is in-app purchases: ビジオス　ビジネス書アプリ at none against e本棚's 2. ビジオス　ビジネス書アプリ also leads on iOS requirement (12.1 vs 15.6). e本棚's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. e本棚 sells 2 one-off in-app purchases. ビジオス　ビジネス書アプリ asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | ビジオス　ビジネス書アプリ | e本棚 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Size | 20 MB | 1 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tadaaki Kobayashi](https://appshunter.io/developer/1453815071) | [株式会社ネットアクティビティ](https://appshunter.io/developer/1226059153) |

## What reviewers say

### ビジオス　ビジネス書アプリ

[App page](https://appshunter.io/ios/app/id1467311011)

**In-app purchases:** none


### e本棚

[App page](https://appshunter.io/ios/app/e/id1583574993)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メダル5個セット | $0.49 | one-time |
| GOLD ユーザー１年間、登録上限なし、全オプション有効 | $9.99 | one-time |


## Frequently asked questions

### Is ビジオス　ビジネス書アプリ free?

ビジオス　ビジネス書アプリ is free to download, with no in-app purchases.

### Is e本棚 free?

e本棚 is free to download, with in-app purchases available.

### Do ビジオス　ビジネス書アプリ or e本棚 have ads?

ビジオス　ビジネス書アプリ shows ads; e本棚 does not.

### Which is updated more often, ビジオス　ビジネス書アプリ or e本棚?

ビジオス　ビジネス書アプリ ships an update every 2 months, and e本棚 every 2 months. Most recently, ビジオス　ビジネス書アプリ was updated on October 14, 2026 and e本棚 on October 20, 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.*