# Reading Fluency vs けんけん｜子どもの読書サポート

The clearest difference is update cadence: Reading Fluency at every 5 days against けんけん｜子どもの読書サポート's every 5 weeks. Reading Fluency also leads on iOS requirement (17.6 vs 26.5). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Reading Fluency sells 4 in-app purchases, starting at $2.99 per 7 days and けんけん｜子どもの読書サポート sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Reading Fluency ships an update every 5 days, けんけん｜子どもの読書サポート every 5 weeks. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Reading Fluency | けんけん｜子どもの読書サポート |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Size | 28 MB | 34 MB |
| Requires iOS | **17.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Demir](https://appshunter.io/developer/1522952577) | [Yuji Tanaka](https://appshunter.io/developer/1450748397) |

## What reviewers say

### Reading Fluency

[App page](https://appshunter.io/ios/app/reading-fluency-kidsread/id6770613013)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KidsRead Weekly | $2.99 | per 7 days |
| KidsRead Monthly | $6.99 | per month |
| KidsRead Annual | $24.99 | per year |
| KidsRead Lifetime Premium | $34.99 | one-time |


### けんけん｜子どもの読書サポート

[App page](https://appshunter.io/ios/app/id6785581280)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Annual Plan | $19.99 | per year |


## Frequently asked questions

### Is Reading Fluency free?

Reading Fluency is free to download, with in-app purchases available.

### Is けんけん｜子どもの読書サポート free?

けんけん｜子どもの読書サポート is free to download, with in-app purchases available.

### Do Reading Fluency or けんけん｜子どもの読書サポート have ads?

Neither Reading Fluency nor けんけん｜子どもの読書サポート shows ads.

### Which is updated more often, Reading Fluency or けんけん｜子どもの読書サポート?

Reading Fluency ships an update every 5 days, and けんけん｜子どもの読書サポート every 5 weeks. Most recently, Reading Fluency was updated on October 21, 2026 and けんけん｜子どもの読書サポート 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.*