# AI百事通 vs Σ同学你好

The clearest difference is in-app purchases: Σ同学你好 at none against AI百事通's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI百事通 sells 3 one-off in-app purchases. Σ同学你好 asks for nothing beyond the download.

## The numbers

| Metric | AI百事通 | Σ同学你好 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Size | 17 MB | 29 MB |
| Requires iOS | 12.3 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [四川零居科技有限公司](https://appshunter.io/developer/1090876627) | [传明 李](https://appshunter.io/developer/1286941654) |

## What reviewers say

### AI百事通

[App page](https://appshunter.io/ios/app/ai/id1522497153)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 半年会员 | $0.99 | one-time |
| 月会员 | $0.99 | one-time |
| 永久会员 | $1.99 | one-time |


### Σ同学你好

[App page](https://appshunter.io/ios/app/id6473533395)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI百事通 free?

AI百事通 is free to download, with in-app purchases available.

### Is Σ同学你好 free?

Σ同学你好 is free to download, with no in-app purchases.

### Do AI百事通 or Σ同学你好 have ads?

Neither AI百事通 nor Σ同学你好 shows ads.

---

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