# シンプル読書記録 vs 栞灯

The clearest difference is update cadence: シンプル読書記録 at every 3 days against 栞灯's every 2 months. 栞灯's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, 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.

シンプル読書記録 ships an update every 3 days, 栞灯 every 2 months. The most recent releases landed on November 5, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | シンプル読書記録 | 栞灯 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 3 MB | 12 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Searial, Inc.](https://appshunter.io/developer/1875914396) | [KOKORO AI LIMITED LIABILITY COMPANY](https://appshunter.io/developer/1818743242) |

## What reviewers say

### シンプル読書記録

[App page](https://appshunter.io/ios/app/id6791351803)

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

**In-app purchases:** none


### 栞灯

[App page](https://appshunter.io/ios/app/id6799999846)

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

**In-app purchases:** none


## Frequently asked questions

### Is シンプル読書記録 free?

シンプル読書記録 is free to download, with no in-app purchases.

### Is 栞灯 free?

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

### Do シンプル読書記録 or 栞灯 have ads?

Both シンプル読書記録 and 栞灯 show ads.

### Which is updated more often, シンプル読書記録 or 栞灯?

シンプル読書記録 ships an update every 3 days, and 栞灯 every 2 months. Most recently, シンプル読書記録 was updated on November 5, 2026 and 栞灯 on October 29, 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.*