# 100のたいけん vs KidsLog

The clearest difference is update cadence: KidsLog at every 9 days against 100のたいけん's every 3 months. 100のたいけん's advantage is iOS requirement (18.2 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

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

100のたいけん ships an update every 3 months, KidsLog every 9 days. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 100のたいけん | KidsLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Size | 17 MB | 7 MB |
| Requires iOS | **18.2** | 26.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [TAKAYUKI HASHIMOTO](https://appshunter.io/developer/1689527181) | [Shoichi Murakami](https://appshunter.io/developer/1869515516) |

## What reviewers say

### 100のたいけん

[App page](https://appshunter.io/ios/app/100/id6746421785)

**Features:** macOS Compatibility

**In-app purchases:** none


### KidsLog

[App page](https://appshunter.io/ios/app/kidslog/id6757899006)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 100のたいけん free?

100のたいけん is free to download, with no in-app purchases.

### Is KidsLog free?

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

### Do 100のたいけん or KidsLog have ads?

Neither 100のたいけん nor KidsLog shows ads.

### Which is updated more often, 100のたいけん or KidsLog?

100のたいけん ships an update every 3 months, and KidsLog every 9 days. Most recently, 100のたいけん was updated on October 9, 2026 and KidsLog on October 21, 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.*