# BBQE vs 洞洞谱

The clearest difference is update cadence: 洞洞谱 at weekly against BBQE's every 7 months. 洞洞谱 also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. BBQE sells 6 one-off in-app purchases and 洞洞谱 sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

BBQE ships an update every 7 months, 洞洞谱 weekly. The most recent releases landed on September 19, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | BBQE | 洞洞谱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bbqe/id6502536696/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 42 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [巴巴教育](https://appshunter.io/developer/1745814909) | [wenlin Huang](https://appshunter.io/developer/1108308410) |

## What reviewers say

### BBQE

[App page](https://appshunter.io/ios/app/bbqe/id6502536696)

This dynamic sheet music tool simplifies music creation and practice for everyone. Generate intelligent accompaniments, transpose music to match your voice, and enjoy interactive playing modes. It makes learning and performing music accessible and fun, even for beginners.

**Highlights:** Dynamic sheet music, Intelligent accompaniment generation, Smart key transposition, Interactive playing and practice modes, Simplified interface, Accessible for all skill levels

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10积分 | $1.99 | one-time |
| 20积分 | $2.99 | one-time |
| vip一个月会员卡 | $4.99 | one-time |
| vip三个月会员卡 | $9.99 | one-time |
| vip半年会员卡 | $14.99 | one-time |
| vip一年会员卡 | $19.99 | one-time |


### 洞洞谱

[App page](https://appshunter.io/ios/app/id6741378672)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $4.99 | per month |
| 季度会员 | $7.99 | per 3 months |
| 年度会员 | $14.99 | per year |


## Frequently asked questions

### Is BBQE free?

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

### Is 洞洞谱 free?

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

### Do BBQE or 洞洞谱 have ads?

Neither BBQE nor 洞洞谱 shows ads.

### Which is updated more often, BBQE or 洞洞谱?

BBQE ships an update every 7 months, and 洞洞谱 weekly. Most recently, BBQE was updated on September 19, 2026 and 洞洞谱 on September 16, 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.*