# AI_Known vs Studimball

AI_Known and Studimball are too close to call on the numbers: across 3 compared parameters — price, in-app purchases and iOS requirement among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | AI_Known | Studimball |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Size | 101 MB | 24 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | — | **iPhone** |
| Age rating | 17+ | 17+ |
| Developer | [涛 尹](https://appshunter.io/developer/1706586976) | [Hoang Nghia Nguyen](https://appshunter.io/developer/6773406691) |

## What reviewers say

### AI_Known

[App page](https://appshunter.io/ios/app/ai-known/id6465623947)

**In-app purchases:** none


### Studimball

[App page](https://appshunter.io/ios/app/studimball/id6773406689)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI_Known free?

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

### Is Studimball free?

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

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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.*