# Otasuke Kototen vs どこまで読んだ？

The clearest difference is price: Otasuke Kototen at Free against どこまで読んだ？'s $2.99. Otasuke Kototen also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (12.0 vs 17.0). どこまで読んだ？'s advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

Otasuke Kototen is free to download; どこまで読んだ？ costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Otasuke Kototen ships an update every 3 weeks, どこまで読んだ？ every 3 months. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Otasuke Kototen | どこまで読んだ？ |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 61 MB | 5 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [SOCIA LABO, K.K.](https://appshunter.io/developer/1688326248) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### Otasuke Kototen

[App page](https://appshunter.io/ios/app/otasuke-kototen/id1601102019)

**Features:** macOS Compatibility

**In-app purchases:** none


### どこまで読んだ？

[App page](https://appshunter.io/ios/app/id6475384503)

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

**In-app purchases:** none


## Frequently asked questions

### Is Otasuke Kototen free?

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

### Is どこまで読んだ？ free?

どこまで読んだ？ costs $2.99, with no in-app purchases.

### Do Otasuke Kototen or どこまで読んだ？ have ads?

Otasuke Kototen shows ads; どこまで読んだ？ does not.

### Which is updated more often, Otasuke Kototen or どこまで読んだ？?

Otasuke Kototen ships an update every 3 weeks, and どこまで読んだ？ every 3 months. Most recently, Otasuke Kototen was updated on November 7, 2026 and どこまで読んだ？ on November 12, 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.*