# 音乐窝 vs Double+

The clearest difference is in-app purchases: Double+ at none against 音乐窝's 6. Double+ also leads on update cadence (every 6 days vs fortnightly). 音乐窝's advantage is iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. 音乐窝 sells 6 one-off in-app purchases. Double+ asks for nothing beyond the download.

音乐窝 ships an update fortnightly, Double+ every 6 days. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | 音乐窝 | Double+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (7 ratings)](https://appshunter.io/ios/app/double-plus/id1623962082/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | — | Free |
| Size | 282 MB | 99 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Yuewo Information Technology Co., Ltd.](https://appshunter.io/developer/1477564548) | [Huizhou Debo Acoustics Co., Ltd.](https://appshunter.io/developer/1586595923) |

## What reviewers say

### 音乐窝

[App page](https://appshunter.io/ios/app/id1238121127)

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 窝币13个 | $2.99 | one-time |
| 窝币30个 | $5.99 | one-time |
| 窝币60个 | $9.99 | one-time |
| 窝币98个 | $19.99 | one-time |
| 窝币206 个 | $39.99 | one-time |
| 窝币499个 | $99.99 | one-time |


### Double+

[App page](https://appshunter.io/ios/app/double-plus/id1623962082)

This app is an intelligent guitar pickup system control software designed for both beginners and professionals. It offers extensive features for practice, performance, and teaching, including tone adjustment, effects, a drum machine, metronome, tuner, and loop recording.

**Highlights:** Dual-channel independent mixing ratio volume adjustment, Customizable tone curves and EQ settings, Digital effects (compression, reverb, delay, distortion), Integrated drum machine with 144 styles, Metronome with practice settings, Tuning table for various instruments, Loop recording and music score functions

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

**In-app purchases:** none


## Frequently asked questions

### Is 音乐窝 free?

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

### Is Double+ free?

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

### Do 音乐窝 or Double+ have ads?

Neither 音乐窝 nor Double+ shows ads.

### Which is updated more often, 音乐窝 or Double+?

音乐窝 ships an update fortnightly, and Double+ every 6 days. Most recently, 音乐窝 was updated on October 20, 2026 and Double+ on October 21, 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.*