# 北京音协考级 vs Phys. Lab

The clearest difference is price: 北京音协考级 at Free against Phys. Lab's $4.99. 北京音协考级 also leads on iOS requirement (12.0 vs 15.6). Phys. Lab's advantage is update cadence (every 10 days vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.

北京音协考级 is free to download; Phys. Lab costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

北京音协考级 ships an update every 6 weeks, Phys. Lab every 10 days. The most recent releases landed on September 13, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 北京音协考级 | Phys. Lab |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 10 days** |
| Size | 55 MB | 24 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Zego Technology Co., Ltd.](https://appshunter.io/developer/1228084235) | [坤 冉](https://appshunter.io/developer/1759927074) |

## What reviewers say

### 北京音协考级

[App page](https://appshunter.io/ios/app/id1633227893)

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

**In-app purchases:** none


### Phys. Lab

[App page](https://appshunter.io/ios/app/phys-lab/id6744642758)

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

**In-app purchases:** none


## Frequently asked questions

### Is 北京音协考级 free?

北京音协考级 is free to download, with no in-app purchases.

### Is Phys. Lab free?

Phys. Lab costs $4.99, with no in-app purchases.

### Do 北京音协考级 or Phys. Lab have ads?

Neither 北京音协考级 nor Phys. Lab shows ads.

### Which is updated more often, 北京音协考级 or Phys. Lab?

北京音协考级 ships an update every 6 weeks, and Phys. Lab every 10 days. Most recently, 北京音协考级 was updated on September 13, 2026 and Phys. Lab on September 16, 2026.

---

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