# 虫虫吉他 vs Double+

The clearest difference is rating: Double+ at 3.4 against 虫虫吉他's 2.6. Double+ also leads on in-app purchases (none vs 14) and update cadence (every 6 days vs every 2 months). 虫虫吉他's advantage is review sentiment (42% vs 20%). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. 虫虫吉他 sells 14 in-app purchases, starting at $13.49 per year. Double+ asks for nothing beyond the download.

Double+ holds the better App Store score, 3.4 against 2.6. Both are backed by a comparable volume of ratings — 5 and 7 respectively. Written reviews complicate that: 42% of 虫虫吉他's written reviews are positive against 20% of Double+'s, so the app with the better star average is not the one people write more warmly about.

虫虫吉他 ships an update every 2 months, Double+ every 6 days. The most recent releases landed on September 22, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | 虫虫吉他 | Double+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (5 ratings)](https://appshunter.io/ios/app/id1449345358/reviews) | **[3.4 (7 ratings)](https://appshunter.io/ios/app/double-plus/id1623962082/reviews)** |
| Number of ratings | 5 | **7** |
| Positive reviews | **42.3% of reviews** | 20.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 137 MB | 99 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Lingzhuo Information Technology Co., Ltd.](https://appshunter.io/developer/1449345357) | [Huizhou Debo Acoustics Co., Ltd.](https://appshunter.io/developer/1586595923) |

## What reviewers say

### 虫虫吉他

[App page](https://appshunter.io/ios/app/id1449345358)

This app provides a comprehensive platform for guitar, ukulele, piano, and keyboard learners. It offers a vast library of sheet music, video tutorials, and professional-grade transcriptions for all skill levels. Users can access synchronized content across devices and receive expert guidance from a dedicated customer service team.

**Highlights:** Extensive sheet music library, Video tutorials by professional instructors, Multiple difficulty arrangements per song, Cross-device synchronization, 24/7 online customer support, AI-powered music tools

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

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP年卡 | $13.49 | per year |
| 18零钱 | $2.99 | one-time |
| 60零钱 | $5.99 | one-time |
| 一年卡 | $12.99 | one-time |
| vip年卡 | $14.99 | one-time |
| VIP年卡 | $14.99 | one-time |
| 续费1年VIP卡 | $14.99 | one-time |
| 五年卡 | $24.99 | one-time |
| 五年卡vip | $29.99 | one-time |
| 虫虫吉他终身卡优惠价 | $29.99 | one-time |
| 终身卡 | $29.99 | one-time |
| 终身卡 268元 | $39.99 | one-time |
| 5年SVIP卡 | $39.99 | one-time |
| 终身VIP卡 | $59.99 | 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 虫虫吉他 free?

虫虫吉他 is free to download, with in-app purchases available.

### Is Double+ free?

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

### Which has better reviews, 虫虫吉他 or Double+?

Double+ is rated higher. 虫虫吉他 averages 2.6 out of 5 from 5 ratings, while Double+ averages 3.4 from 7 ratings.

### Do 虫虫吉他 or Double+ have ads?

Neither 虫虫吉他 nor Double+ shows ads.

### Which is updated more often, 虫虫吉他 or Double+?

虫虫吉他 ships an update every 2 months, and Double+ every 6 days. Most recently, 虫虫吉他 was updated on September 22, 2026 and Double+ on June 5, 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.*