# 火听调音器 vs 古筝世界

The clearest difference is in-app purchases: 火听调音器 at none against 古筝世界's 4. 火听调音器 also leads on review sentiment (58% vs 48%) and iOS requirement (12.0 vs 14.0). 古筝世界's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. 古筝世界 sells 4 in-app purchases, starting at $0.99 per month. 火听调音器 asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for 火听调音器 against 5.0 for 古筝世界. Both are backed by a comparable volume of ratings — 7 and 7 respectively. Written reviews are what separate them: 58% of 火听调音器's written reviews are positive against 48% of 古筝世界's.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on September 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 火听调音器 | 古筝世界 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (7 ratings)](https://appshunter.io/ios/app/and-and/id1588077175/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/id6448222378/reviews)** |
| Number of ratings | 7 | 7 |
| Positive reviews | **58.3% of reviews** | 48.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 159 MB | 137 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广东小叶紫檀科技有限公司](https://appshunter.io/developer/1588077177) | [Rhythm Dance](https://appshunter.io/developer/1671994051) |

## What reviewers say

### 火听调音器

[App page](https://appshunter.io/ios/app/and-and/id1588077175)

This app provides precise tuning for various string instruments like guitar, ukulele, and bass. It offers automatic tuning modes and clear visual feedback, making it suitable for both beginners and experienced musicians.

**Highlights:** Precise tuning for guitar, ukulele, bass, Automatic tuning modes, Clear visual feedback, Suitable for beginners and professionals, Supports acoustic and electric guitars, Signal recording

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

**In-app purchases:** none


### 古筝世界

[App page](https://appshunter.io/ios/app/id6448222378)

This app provides a comprehensive platform for guzheng enthusiasts, offering a vast library of sheet music, learning tutorials, and a community for interaction. Discover, practice, and share your musical journey with fellow players.

**Highlights:** Extensive guzheng sheet music library, Learning tutorials for all levels, Interactive community for players, Built-in tuner and simulator, Audio previews of sheet music, User-uploaded sheet music sharing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 古筝世界连续包月会员 | $0.99 | per month |
| 一年卡 | $14.99 | one-time |
| 5年卡 | $29.99 | one-time |
| 终身卡 | $39.99 | one-time |


## Frequently asked questions

### Is 火听调音器 free?

火听调音器 is free to download, with no in-app purchases.

### Is 古筝世界 free?

古筝世界 is free to download, with in-app purchases available.

### Which has better reviews, 火听调音器 or 古筝世界?

古筝世界 is rated higher. 火听调音器 averages 4.9 out of 5 from 7 ratings, while 古筝世界 averages 5.0 from 7 ratings.

### Do 火听调音器 or 古筝世界 have ads?

火听调音器 shows ads; 古筝世界 does not.

### Which is updated more often, 火听调音器 or 古筝世界?

火听调音器 ships an update every 3 months, and 古筝世界 every 3 months. Most recently, 火听调音器 was updated on September 11, 2026 and 古筝世界 on September 23, 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.*