# 加東市立図書館 vs Simple Duty Roster

The clearest difference is update cadence: Simple Duty Roster at every 8 days against 加東市立図書館's every 39 months. On price, ads, 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.

加東市立図書館 ships an update every 39 months, Simple Duty Roster every 8 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 加東市立図書館 | Simple Duty Roster |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Every 8 days** |
| Size | 26 MB | 33 MB |
| Requires iOS | 12.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [三谷コンピュータ株式会社](https://appshunter.io/developer/1484320383) | [Tatsumi Oikawa](https://appshunter.io/developer/1635976900) |

## What reviewers say

### 加東市立図書館

[App page](https://appshunter.io/ios/app/id6446127784)

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

**In-app purchases:** none


### Simple Duty Roster

[App page](https://appshunter.io/ios/app/simple-duty-roster/id6747189273)

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

**In-app purchases:** none


## Frequently asked questions

### Is 加東市立図書館 free?

加東市立図書館 is free to download, with no in-app purchases.

### Is Simple Duty Roster free?

Simple Duty Roster is free to download, with no in-app purchases.

### Do 加東市立図書館 or Simple Duty Roster have ads?

Neither 加東市立図書館 nor Simple Duty Roster shows ads.

### Which is updated more often, 加東市立図書館 or Simple Duty Roster?

加東市立図書館 ships an update every 39 months, and Simple Duty Roster every 8 days. Most recently, 加東市立図書館 was updated on October 27, 2026 and Simple Duty Roster 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.*