# 日本の童謡・わらべ歌2 vs Qingdu AI

The clearest difference is update cadence: Qingdu AI at every 6 days against 日本の童謡・わらべ歌2's every 13 months. 日本の童謡・わらべ歌2's advantage is iOS requirement (8.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 日本の童謡・わらべ歌2 sells 1 one-off in-app purchase and Qingdu AI sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

日本の童謡・わらべ歌2 ships an update every 13 months, Qingdu AI every 6 days. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | 日本の童謡・わらべ歌2 | Qingdu AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 80 MB | 11 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yumearu Co.,Ltd.](https://appshunter.io/developer/411112570) | [Jungsoo Nam](https://appshunter.io/developer/6782075910) |

## What reviewers say

### 日本の童謡・わらべ歌2

[App page](https://appshunter.io/ios/app/2/id1103148672)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告非表示 | $1.99 | one-time |


### Qingdu AI

[App page](https://appshunter.io/ios/app/qingdu-ai-chinese-reader/id6782075908)

This app uses your camera to instantly recognize, read aloud, and translate Chinese characters from any source. It's designed for learners to improve their reading comprehension and pronunciation with AI-powered OCR and natural text-to-speech.

**Highlights:** AI-powered OCR for accurate text recognition, Natural native pronunciation for spoken text, Instant translation of recognized characters, Selective scanning with adjustable crop area, Flexible playback with speed control, Word highlighting for easy following

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $34.99 | per year |


## Frequently asked questions

### Is 日本の童謡・わらべ歌2 free?

日本の童謡・わらべ歌2 is free to download, with in-app purchases available.

### Is Qingdu AI free?

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

### Do 日本の童謡・わらべ歌2 or Qingdu AI have ads?

Neither 日本の童謡・わらべ歌2 nor Qingdu AI shows ads.

### Which is updated more often, 日本の童謡・わらべ歌2 or Qingdu AI?

日本の童謡・わらべ歌2 ships an update every 13 months, and Qingdu AI every 6 days. Most recently, 日本の童謡・わらべ歌2 was updated on October 11, 2026 and Qingdu AI on October 20, 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.*