# エコー写真 2025 vs こどもサイズ帳

エコー写真 2025 and こどもサイズ帳 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | エコー写真 2025 | こどもサイズ帳 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | Fortnightly |
| Size | 1 MB | 10 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CapCat LLC](https://appshunter.io/developer/1654095841) | [Mami Kawai](https://appshunter.io/developer/1890495943) |

## What reviewers say

### エコー写真 2025

[App page](https://appshunter.io/ios/app/2025/id6746622619)

**In-app purchases:** none


### こどもサイズ帳

[App page](https://appshunter.io/ios/app/id6767790620)

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

**In-app purchases:** none


## Frequently asked questions

### Is エコー写真 2025 free?

エコー写真 2025 is free to download, with no in-app purchases.

### Is こどもサイズ帳 free?

こどもサイズ帳 is free to download, with no in-app purchases.

### Do エコー写真 2025 or こどもサイズ帳 have ads?

Neither エコー写真 2025 nor こどもサイズ帳 shows ads.

### Which is updated more often, エコー写真 2025 or こどもサイズ帳?

エコー写真 2025 ships an update fortnightly, and こどもサイズ帳 fortnightly. Most recently, エコー写真 2025 was updated on October 20, 2026 and こどもサイズ帳 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.*