# 赛优课堂 vs 左养右学

The clearest difference is in-app purchases: 左养右学 at none against 赛优课堂's 9. 左养右学 also leads on iOS requirement (12.0 vs 15.0). 赛优课堂's advantage is update cadence (every 3 weeks vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. 赛优课堂 sells 9 one-off in-app purchases. 左养右学 asks for nothing beyond the download.

赛优课堂 ships an update every 3 weeks, 左养右学 every 20 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | 赛优课堂 | 左养右学 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1473230670/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 20 months |
| Size | 396 MB | 85 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Saiyou Network Technology](https://appshunter.io/developer/1182869665) | [珠海左养右学颂强咨询策划服务有限公司](https://appshunter.io/developer/1743330617) |

## What reviewers say

### 赛优课堂

[App page](https://appshunter.io/ios/app/id1473230670)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 6CU币 | $0.99 | one-time |
| 12CU币 | $1.99 | one-time |
| 18CU币 | $2.99 | one-time |
| 40CU币 | $5.99 | one-time |
| 98CU币 | $14.99 | one-time |
| 188CU币 | $27.99 | one-time |
| 388CU币 | $59.99 | one-time |
| 1098CU币 | $149.99 | one-time |
| 2298CU币 | $349.99 | one-time |


### 左养右学

[App page](https://appshunter.io/ios/app/id6499389402)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 赛优课堂 free?

赛优课堂 is free to download, with in-app purchases available.

### Is 左养右学 free?

左养右学 is free to download, with no in-app purchases.

### Do 赛优课堂 or 左养右学 have ads?

Neither 赛优课堂 nor 左养右学 shows ads.

### Which is updated more often, 赛优课堂 or 左养右学?

赛优课堂 ships an update every 3 weeks, and 左养右学 every 20 months. Most recently, 赛优课堂 was updated on November 3, 2026 and 左养右学 on November 8, 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.*