# 赤シート英単語 赤シートアプリ vs PinyinFlow

The clearest difference is update cadence: PinyinFlow at every 3 days against 赤シート英単語 赤シートアプリ's every 2 weeks. 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.

赤シート英単語 赤シートアプリ ships an update every 2 weeks, PinyinFlow every 3 days. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 赤シート英単語 赤シートアプリ | PinyinFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 2 MB | 8 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CapCat LLC](https://appshunter.io/developer/1654095841) | [YUTA OHIGASHI](https://appshunter.io/developer/6775853315) |

## What reviewers say

### 赤シート英単語 赤シートアプリ

[App page](https://appshunter.io/ios/app/id6762327410)

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

**In-app purchases:** none


### PinyinFlow

[App page](https://appshunter.io/ios/app/pinyinflow/id6775853313)

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

**In-app purchases:** none


## Frequently asked questions

### Is 赤シート英単語 赤シートアプリ free?

赤シート英単語 赤シートアプリ is free to download, with no in-app purchases.

### Is PinyinFlow free?

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

### Do 赤シート英単語 赤シートアプリ or PinyinFlow have ads?

Neither 赤シート英単語 赤シートアプリ nor PinyinFlow shows ads.

### Which is updated more often, 赤シート英単語 赤シートアプリ or PinyinFlow?

赤シート英単語 赤シートアプリ ships an update every 2 weeks, and PinyinFlow every 3 days. Most recently, 赤シート英単語 赤シートアプリ was updated on October 7, 2026 and PinyinFlow on October 12, 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.*