# 古琴调音器 vs 弦外古琴工具箱

The clearest difference is in-app purchases: 弦外古琴工具箱 at none against 古琴调音器's 1. 古琴调音器's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 古琴调音器 sells 1 one-off in-app purchase. 弦外古琴工具箱 asks for nothing beyond the download.

古琴调音器 ships an update every 3 weeks, 弦外古琴工具箱 fortnightly. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 古琴调音器 | 弦外古琴工具箱 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id6504356033/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 40 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鑫磊 张](https://appshunter.io/developer/1051215758) | [Chongqing Potential Space Technology Co., Ltd.](https://appshunter.io/developer/1820821694) |

## What reviewers say

### 古琴调音器

[App page](https://appshunter.io/ios/app/id6504356033)

This intelligent tuning app is designed to help users accurately tune and adjust the strings of the Guqin, a traditional Chinese instrument. It features authentic Guqin sound samples for precise calibration and offers both a tuner and a metronome with various sound options.

**Highlights:** Intelligent Guqin tuning, Authentic Guqin sound samples, Multiple tuning modes, Metronome with diverse sound sources, Guqin technique demonstrations, Support for 12-tone equal temperament

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 古琴调音器VIP | $5.99 | one-time |


### 弦外古琴工具箱

[App page](https://appshunter.io/ios/app/id6794813221)

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

**In-app purchases:** none


## Frequently asked questions

### Is 古琴调音器 free?

古琴调音器 is free to download, with in-app purchases available.

### Is 弦外古琴工具箱 free?

弦外古琴工具箱 is free to download, with no in-app purchases.

### Do 古琴调音器 or 弦外古琴工具箱 have ads?

Neither 古琴调音器 nor 弦外古琴工具箱 shows ads.

### Which is updated more often, 古琴调音器 or 弦外古琴工具箱?

古琴调音器 ships an update every 3 weeks, and 弦外古琴工具箱 fortnightly. Most recently, 古琴调音器 was updated on November 4, 2026 and 弦外古琴工具箱 on November 10, 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.*