# 骨聆 vs Hearing test instruments

骨聆 and Hearing test instruments are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

骨聆 ships an update every 6 weeks, Hearing test instruments every 5 weeks. The most recent releases landed on September 18, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | 骨聆 | Hearing test instruments |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 weeks** |
| Size | 23 MB | 48 MB |
| Requires iOS | **12.0** | 12.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Hangzhou SoundSmart Technology Co., Ltd](https://appshunter.io/developer/1638064043) | [Cemho Medical Technology (Guangdong) Co., Ltd](https://appshunter.io/developer/1643075084) |

## What reviewers say

### 骨聆

[App page](https://appshunter.io/ios/app/id6471933164)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hearing test instruments

[App page](https://appshunter.io/ios/app/hearing-test-instruments/id6736933056)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 骨聆 free?

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

### Is Hearing test instruments free?

Hearing test instruments is free to download, with no in-app purchases.

### Do 骨聆 or Hearing test instruments have ads?

Neither 骨聆 nor Hearing test instruments shows ads.

### Which is updated more often, 骨聆 or Hearing test instruments?

骨聆 ships an update every 6 weeks, and Hearing test instruments every 5 weeks. Most recently, 骨聆 was updated on September 18, 2026 and Hearing test instruments on May 17, 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.*