# コドモドコ vs ぼくのもじ

The clearest difference is in-app purchases: コドモドコ at none against ぼくのもじ's 2. ぼくのもじ's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ぼくのもじ sells 2 one-off in-app purchases. コドモドコ asks for nothing beyond the download.

コドモドコ ships an update every 4 months, ぼくのもじ fortnightly. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | コドモドコ | ぼくのもじ |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 4 MB | 61 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cognitive Research Laboratories, Inc.](https://appshunter.io/developer/324078364) | [Nagatomo Miki](https://appshunter.io/developer/1891189762) |

## What reviewers say

### コドモドコ

[App page](https://appshunter.io/ios/app/id1137147984)

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

**In-app purchases:** none


### ぼくのもじ

[App page](https://appshunter.io/ios/app/id6800529422)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| コーヒー1杯の応援 | $0.99 | one-time |
| カフェラテ1杯の応援 | $1.99 | one-time |


## Frequently asked questions

### Is コドモドコ free?

コドモドコ is free to download, with no in-app purchases.

### Is ぼくのもじ free?

ぼくのもじ is free to download, with in-app purchases available.

### Do コドモドコ or ぼくのもじ have ads?

Neither コドモドコ nor ぼくのもじ shows ads.

### Which is updated more often, コドモドコ or ぼくのもじ?

コドモドコ ships an update every 4 months, and ぼくのもじ fortnightly. Most recently, コドモドコ was updated on October 8, 2026 and ぼくのもじ 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.*