# Civa机器人 vs 师生信

The clearest difference is in-app purchases: Civa机器人 at none against 师生信's 3. Civa机器人 also leads on iOS requirement (8.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 师生信 sells 2 one-off in-app purchases. Civa机器人 asks for nothing beyond the download.

Civa机器人 ships an update every 3 weeks, 师生信 every 6 weeks. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Civa机器人 | 师生信 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Size | 278 MB | 178 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Guizhou CC Young Education Technology Co., Ltd.](https://appshunter.io/developer/1060966593) | [Changsha Xiaoguanjia Education Technology Co. Ltd](https://appshunter.io/developer/1464093037) |

## What reviewers say

### Civa机器人

[App page](https://appshunter.io/ios/app/civa/id1345905813)

**Features:** macOS Compatibility

**In-app purchases:** none


### 师生信

[App page](https://appshunter.io/ios/app/id1464094963)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 录播课、直播课付费 | $1.99 | one-time |
| 直播课、录播课费用 | $2.99 | one-time |


## Frequently asked questions

### Is Civa机器人 free?

Civa机器人 is free to download, with no in-app purchases.

### Is 师生信 free?

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

### Do Civa机器人 or 师生信 have ads?

Neither Civa机器人 nor 师生信 shows ads.

### Which is updated more often, Civa机器人 or 师生信?

Civa机器人 ships an update every 3 weeks, and 师生信 every 6 weeks. Most recently, Civa机器人 was updated on October 26, 2026 and 师生信 on October 25, 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.*