# 钢舌鼓15音 vs Chord Degree

The clearest difference is price: Chord Degree at Free against 钢舌鼓15音's $1.99. 钢舌鼓15音's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 15.6). On ads and device support there is nothing between them.

Chord Degree is free to download; 钢舌鼓15音 costs $1.99 up front. Chord Degree sells 2 in-app purchases, starting at $3.99 per month. 钢舌鼓15音 asks for nothing beyond the download.

## The numbers

| Metric | 钢舌鼓15音 | Chord Degree |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 62 months | — |
| Monetization | Paid | — |
| Size | 52 MB | 3 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YING DONG](https://appshunter.io/developer/538409540) | [嘉晨 王](https://appshunter.io/developer/6793979547) |

## What reviewers say

### 钢舌鼓15音

[App page](https://appshunter.io/ios/app/15/id1505576123)

Experience the resonant tones of a 15-note steel tongue drum virtually on your iPhone. Explore three playing modes for quick mastery and even craft a DIY steel tongue drum using common household materials for an immersive experience.

**Highlights:** Virtual 15-note steel tongue drum, C major scale, full octave, Optimized for multi-touch, Three playing modes, DIY Cardboard mode for physical drum creation, Bilibili tutorial integration

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

**In-app purchases:** none


### Chord Degree

[App page](https://appshunter.io/ios/app/chord-degree/id6793996432)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Unlimited Training | $3.99 | per month |
| Lifetime Unlock | $14.99 | one-time |


## Frequently asked questions

### Is 钢舌鼓15音 free?

钢舌鼓15音 costs $1.99, with no in-app purchases.

### Is Chord Degree free?

Chord Degree is free to download, with in-app purchases available.

### Do 钢舌鼓15音 or Chord Degree have ads?

Neither 钢舌鼓15音 nor Chord Degree shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*