# PenFlow vs もじあそび レッスン

The clearest difference is ads: PenFlow at none against もじあそび レッスン's shown. PenFlow also leads on update cadence (every 10 days vs every 4 months). もじあそび レッスン's advantage is iOS requirement (15.0 vs 17.0). On price, 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.

PenFlow ships an update every 10 days, もじあそび レッスン every 4 months. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | PenFlow | もじあそび レッスン |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 10 days** | Every 4 months |
| Size | 5 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [DoM, K.K.](https://appshunter.io/developer/1895087540) |

## What reviewers say

### PenFlow

[App page](https://appshunter.io/ios/app/penflow/id6761091973)

**Features:** macOS Compatibility

**In-app purchases:** none


### もじあそび レッスン

[App page](https://appshunter.io/ios/app/id6763444084)

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

**In-app purchases:** none


## Frequently asked questions

### Is PenFlow free?

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

### Is もじあそび レッスン free?

もじあそび レッスン is free to download, with no in-app purchases.

### Do PenFlow or もじあそび レッスン have ads?

もじあそび レッスン shows ads; PenFlow does not.

### Which is updated more often, PenFlow or もじあそび レッスン?

PenFlow ships an update every 10 days, and もじあそび レッスン every 4 months. Most recently, PenFlow was updated on October 7, 2026 and もじあそび レッスン on September 28, 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.*