# CDAIS vs 龙狮e学堂

The clearest difference is update cadence: CDAIS at every 5 weeks against 龙狮e学堂's every 7 months. CDAIS also leads on iOS requirement (10.0 vs 13). On price, ads, in-app purchases and device support there is nothing between them.

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

CDAIS ships an update every 5 weeks, 龙狮e学堂 every 7 months. The most recent releases landed on September 17, 2026 and August 18, 2026 respectively.

## The numbers

| Metric | CDAIS | 龙狮e学堂 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Size | 20 MB | 17 MB |
| Requires iOS | **10.0** | 13 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Continental Holding China Co., Ltd.](https://appshunter.io/developer/1625852531) | [上海易知信息科技股份有限公司](https://appshunter.io/developer/1439442031) |

## What reviewers say

### CDAIS

[App page](https://appshunter.io/ios/app/cdais/id1625852529)

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

**In-app purchases:** none


### 龙狮e学堂

[App page](https://appshunter.io/ios/app/e/id6752384345)

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

**In-app purchases:** none


## Frequently asked questions

### Is CDAIS free?

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

### Is 龙狮e学堂 free?

龙狮e学堂 is free to download, with no in-app purchases.

### Do CDAIS or 龙狮e学堂 have ads?

Neither CDAIS nor 龙狮e学堂 shows ads.

### Which is updated more often, CDAIS or 龙狮e学堂?

CDAIS ships an update every 5 weeks, and 龙狮e学堂 every 7 months. Most recently, CDAIS was updated on September 17, 2026 and 龙狮e学堂 on August 18, 2026.

---

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