# 深瞳优学 HD vs 赛·课堂2023

The clearest difference is device support: 赛·课堂2023 at 3 against 深瞳优学 HD's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

深瞳优学 HD ships an update every 3 weeks, 赛·课堂2023 every 5 weeks. The most recent releases landed on September 16, 2026 and February 28, 2026 respectively.

## The numbers

| Metric | 深瞳优学 HD | 赛·课堂2023 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 31 MB | 52 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [煦 郭](https://appshunter.io/developer/920260942) | [山东远大朗威教育科技股份有限公司](https://appshunter.io/developer/1197726190) |

## What reviewers say

### 深瞳优学 HD

[App page](https://appshunter.io/ios/app/hd/id1315261549)

**In-app purchases:** none


### 赛·课堂2023

[App page](https://appshunter.io/ios/app/2023/id6445902095)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 深瞳优学 HD free?

深瞳优学 HD is free to download, with no in-app purchases.

### Is 赛·课堂2023 free?

赛·课堂2023 is free to download, with no in-app purchases.

### Do 深瞳优学 HD or 赛·课堂2023 have ads?

Neither 深瞳优学 HD nor 赛·课堂2023 shows ads.

### Which is updated more often, 深瞳优学 HD or 赛·课堂2023?

深瞳优学 HD ships an update every 3 weeks, and 赛·课堂2023 every 5 weeks. Most recently, 深瞳优学 HD was updated on September 16, 2026 and 赛·课堂2023 on February 28, 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.*