# Fretboard Map vs 趣半音

The clearest difference is in-app purchases: Fretboard Map at none against 趣半音's 1. 趣半音's advantage is update cadence (every 3 days vs every 9 days) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 趣半音 sells 1 one-off in-app purchase. Fretboard Map asks for nothing beyond the download.

Fretboard Map ships an update every 9 days, 趣半音 every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Fretboard Map | 趣半音 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Size | 16 MB | 30 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jialang Zhang](https://appshunter.io/developer/1828527370) | [南京伊特乐器有限公司](https://appshunter.io/developer/6801420072) |

## What reviewers say

### Fretboard Map

[App page](https://appshunter.io/ios/app/fretboard-map/id6766159772)

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

**In-app purchases:** none


### 趣半音

[App page](https://appshunter.io/ios/app/id6801420070)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 趣半音终身会员 | $5.99 | one-time |


## Frequently asked questions

### Is Fretboard Map free?

Fretboard Map is free to download, with no in-app purchases.

### Is 趣半音 free?

趣半音 is free to download, with in-app purchases available.

### Do Fretboard Map or 趣半音 have ads?

Neither Fretboard Map nor 趣半音 shows ads.

### Which is updated more often, Fretboard Map or 趣半音?

Fretboard Map ships an update every 9 days, and 趣半音 every 3 days. Most recently, Fretboard Map was updated on October 24, 2026 and 趣半音 on October 25, 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.*