# 洋書多読ログ vs CheckLaterReminder

The clearest difference is iOS requirement: CheckLaterReminder at 16.0 against 洋書多読ログ's 18.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

洋書多読ログ ships an update monthly, CheckLaterReminder every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | 洋書多読ログ | CheckLaterReminder |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 35 MB | 6 MB |
| Requires iOS | 18.4 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [aill, k.k. (JP)](https://appshunter.io/developer/293879399) | [Twin Lab Co., Ltd.](https://appshunter.io/developer/889743363) |

## What reviewers say

### 洋書多読ログ

[App page](https://appshunter.io/ios/app/id6446930619)

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

**In-app purchases:** none


### CheckLaterReminder

[App page](https://appshunter.io/ios/app/checklaterreminder/id6449452698)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 洋書多読ログ free?

洋書多読ログ is free to download, with no in-app purchases.

### Is CheckLaterReminder free?

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

### Do 洋書多読ログ or CheckLaterReminder have ads?

Both 洋書多読ログ and CheckLaterReminder show ads.

### Which is updated more often, 洋書多読ログ or CheckLaterReminder?

洋書多読ログ ships an update monthly, and CheckLaterReminder every 3 weeks. Most recently, 洋書多読ログ was updated on November 3, 2026 and CheckLaterReminder on November 3, 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.*