# 吉他调音大师 vs 专业指南针

The clearest difference is review sentiment: 吉他调音大师 at 82% against 专业指南针's 10%. 吉他调音大师 also leads on in-app purchases (none vs 4) and rating (4.6 vs 4.2). 专业指南针's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. 专业指南针 sells 4 in-app purchases, starting at $6.99 per 7 days. 吉他调音大师 asks for nothing beyond the download.

吉他调音大师 holds the better App Store score, 4.6 against 4.2. That said, the two scores are not equally well evidenced: 吉他调音大师 has 84 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 82% of 吉他调音大师's written reviews are positive against 10% of 专业指南针's.

吉他调音大师 ships an update every 5 days, 专业指南针 every 4 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 吉他调音大师 | 专业指南针 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (84 ratings)](https://appshunter.io/ios/app/id1548089793/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/gps/id6752315093/reviews) |
| Number of ratings | **84** | 5 |
| Positive reviews | **81.8% of reviews** | 9.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 28 MB | 43 MB |
| Requires iOS | **13.0** | 15 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Qiaochu Zhu](https://appshunter.io/developer/1464643022) | [Hutui tech](https://appshunter.io/developer/1814030829) |

## What reviewers say

### 吉他调音大师

[App page](https://appshunter.io/ios/app/id1548089793)

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

**In-app purchases:** none


### 专业指南针

[App page](https://appshunter.io/ios/app/gps/id6752315093)

This app offers precise directional guidance and location services, featuring a high-accuracy compass, altitude, and coordinate display. It also includes a smart level tool, real-time weather updates, and a camera that adds location-based watermarks to photos.

**Highlights:** High-accuracy electronic compass, Altitude and coordinate display, Smart level tool, Real-time weather information, Watermark camera with location data, Outdoor navigation and life assistant

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 立即使用专业指南针 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用 | $6.99 | per 7 days |
| 立即使用专业指南针 | $29.99 | per year |


## Frequently asked questions

### Is 吉他调音大师 free?

吉他调音大师 is free to download, with no in-app purchases.

### Is 专业指南针 free?

专业指南针 is free to download, with in-app purchases available.

### Which has better reviews, 吉他调音大师 or 专业指南针?

吉他调音大师 is rated higher. 吉他调音大师 averages 4.6 out of 5 from 84 ratings, while 专业指南针 averages 4.2 from 5 ratings.

### Do 吉他调音大师 or 专业指南针 have ads?

吉他调音大师 shows ads; 专业指南针 does not.

### Which is updated more often, 吉他调音大师 or 专业指南针?

吉他调音大师 ships an update every 5 days, and 专业指南针 every 4 days. Most recently, 吉他调音大师 was updated on November 7, 2026 and 专业指南针 on November 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.*