# 赤シートで勉強 楽しく学習 vs Study Flight

The clearest difference is ads: Study Flight at none against 赤シートで勉強 楽しく学習's shown. 赤シートで勉強 楽しく学習's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (14.0 vs 18.0). 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.

赤シートで勉強 楽しく学習 ships an update daily, Study Flight every 3 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | 赤シートで勉強 楽しく学習 | Study Flight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Size | 49 MB | 49 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lisfee, Inc.](https://appshunter.io/developer/1146331015) | [Yuito Kobayashi](https://appshunter.io/developer/6810911024) |

## What reviewers say

### 赤シートで勉強 楽しく学習

[App page](https://appshunter.io/ios/app/ai/id6748378518)

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

**In-app purchases:** none


### Study Flight

[App page](https://appshunter.io/ios/app/study-flight/id6810911022)

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

**In-app purchases:** none


## Frequently asked questions

### Is 赤シートで勉強 楽しく学習 free?

赤シートで勉強 楽しく学習 is free to download, with no in-app purchases.

### Is Study Flight free?

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

### Do 赤シートで勉強 楽しく学習 or Study Flight have ads?

赤シートで勉強 楽しく学習 shows ads; Study Flight does not.

### Which is updated more often, 赤シートで勉強 楽しく学習 or Study Flight?

赤シートで勉強 楽しく学習 ships an update daily, and Study Flight every 3 weeks. Most recently, 赤シートで勉強 楽しく学習 was updated on October 30, 2026 and Study Flight on October 31, 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.*