# 赛·课堂 vs SoundLab

The clearest difference is in-app purchases: 赛·课堂 at none against SoundLab's 2. 赛·课堂 also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SoundLab sells 2 in-app purchases, starting at $2.99 per month. 赛·课堂 asks for nothing beyond the download.

赛·课堂 ships an update every 10 days, SoundLab fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 赛·课堂 | SoundLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1634514006/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Size | 52 MB | 20 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) | [Shanghai Zhaoshi Technology Co., Ltd](https://appshunter.io/developer/1803512439) |

## What reviewers say

### 赛·课堂

[App page](https://appshunter.io/ios/app/id1634514006)

**Features:** macOS Compatibility

**In-app purchases:** none


### SoundLab

[App page](https://appshunter.io/ios/app/soundlab-audio-data-analyzer/id6751793537)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Annual Membership | $19.99 | per year |


## Frequently asked questions

### Is 赛·课堂 free?

赛·课堂 is free to download, with no in-app purchases.

### Is SoundLab free?

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

### Do 赛·课堂 or SoundLab have ads?

Neither 赛·课堂 nor SoundLab shows ads.

### Which is updated more often, 赛·课堂 or SoundLab?

赛·课堂 ships an update every 10 days, and SoundLab fortnightly. Most recently, 赛·课堂 was updated on November 3, 2026 and SoundLab 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.*