# どーれかな？（意思決定版） vs いっしょによむぞう

The clearest difference is in-app purchases: どーれかな？（意思決定版） at none against いっしょによむぞう's 2. いっしょによむぞう's advantage is update cadence (every 5 weeks vs every 10 months) and iOS requirement (15.6 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. いっしょによむぞう sells 2 in-app purchases, starting at $51.99 per month. どーれかな？（意思決定版） asks for nothing beyond the download.

どーれかな？（意思決定版） ships an update every 10 months, いっしょによむぞう every 5 weeks. The most recent releases landed on October 26, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | どーれかな？（意思決定版） | いっしょによむぞう |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 5 weeks** |
| Size | 24 MB | 199 MB |
| Requires iOS | 17.6 | **15.6** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi INAFUKU](https://appshunter.io/developer/438372899) | [CHILD HONSHA CO.,LTD.](https://appshunter.io/developer/449497238) |

## What reviewers say

### どーれかな？（意思決定版）

[App page](https://appshunter.io/ios/app/id1439908031)

**In-app purchases:** none


### いっしょによむぞう

[App page](https://appshunter.io/ios/app/id1615693407)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額（1カ月） | $51.99 | per month |
| 年額（12カ月） | $599.99 | per year |


## Frequently asked questions

### Is どーれかな？（意思決定版） free?

どーれかな？（意思決定版） is free to download, with no in-app purchases.

### Is いっしょによむぞう free?

いっしょによむぞう is free to download, with in-app purchases available.

### Do どーれかな？（意思決定版） or いっしょによむぞう have ads?

Neither どーれかな？（意思決定版） nor いっしょによむぞう shows ads.

### Which is updated more often, どーれかな？（意思決定版） or いっしょによむぞう?

どーれかな？（意思決定版） ships an update every 10 months, and いっしょによむぞう every 5 weeks. Most recently, どーれかな？（意思決定版） was updated on October 26, 2026 and いっしょによむぞう on October 30, 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.*