# 中学歴史ー１問１答 vs PinyinFlow

The clearest difference is in-app purchases: PinyinFlow at none against 中学歴史ー１問１答's 1. PinyinFlow also leads on update cadence (every 3 days vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 中学歴史ー１問１答 sells 1 one-off in-app purchase. PinyinFlow asks for nothing beyond the download.

中学歴史ー１問１答 ships an update every 14 months, PinyinFlow every 3 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 中学歴史ー１問１答 | PinyinFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 days** |
| Size | 41 MB | 8 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Norio Takeda](https://appshunter.io/developer/1485221811) | [YUTA OHIGASHI](https://appshunter.io/developer/6775853315) |

## What reviewers say

### 中学歴史ー１問１答

[App page](https://appshunter.io/ios/app/id1524256888)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ゴールドコイン | $7.99 | one-time |


### PinyinFlow

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

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

**In-app purchases:** none


## Frequently asked questions

### Is 中学歴史ー１問１答 free?

中学歴史ー１問１答 is free to download, with in-app purchases available.

### Is PinyinFlow free?

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

### Do 中学歴史ー１問１答 or PinyinFlow have ads?

Neither 中学歴史ー１問１答 nor PinyinFlow shows ads.

### Which is updated more often, 中学歴史ー１問１答 or PinyinFlow?

中学歴史ー１問１答 ships an update every 14 months, and PinyinFlow every 3 days. Most recently, 中学歴史ー１問１答 was updated on October 27, 2026 and PinyinFlow on October 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.*