# 赤シートで勉強 楽しく学習 vs SmartRedFilter

The clearest difference is in-app purchases: 赤シートで勉強 楽しく学習 at none against SmartRedFilter's 1. 赤シートで勉強 楽しく学習 also leads on iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SmartRedFilter sells 1 one-off in-app purchase. 赤シートで勉強 楽しく学習 asks for nothing beyond the download.

## The numbers

| Metric | 赤シートで勉強 楽しく学習 | SmartRedFilter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Daily | — |
| Size | 49 MB | 11 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lisfee, Inc.](https://appshunter.io/developer/1146331015) | [Mitsuhiro Hashimoto](https://appshunter.io/developer/509482512) |

## 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


### SmartRedFilter

[App page](https://appshunter.io/ios/app/smartredfilter/id6771782559)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


## 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 SmartRedFilter free?

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

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

Both 赤シートで勉強 楽しく学習 and SmartRedFilter show ads.

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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.*