# Kauffman bracket vs Statistics Solver

The clearest difference is in-app purchases: Kauffman bracket at none against Statistics Solver's 3. Kauffman bracket also leads on iOS requirement (16.6 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Statistics Solver sells 3 in-app purchases, starting at $6.99 per 7 days. Kauffman bracket asks for nothing beyond the download.

## The numbers

| Metric | Kauffman bracket | Statistics Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 weeks |
| Size | 6 MB | 8 MB |
| Requires iOS | **16.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Sungjun Kim](https://appshunter.io/developer/1602461985) | [Phuc Pham](https://appshunter.io/developer/1893081423) |

## What reviewers say

### Kauffman bracket

[App page](https://appshunter.io/ios/app/kauffman-bracket/id6749131282)

**Features:** macOS Compatibility

**In-app purchases:** none


### Statistics Solver

[App page](https://appshunter.io/ios/app/statistics-solver-homework-ai/id6767797855)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $6.99 | per 7 days |
| Annual Premium | $34.99 | per year |
| Lifetime Premium | $69.99 | one-time |


## Frequently asked questions

### Is Kauffman bracket free?

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

### Is Statistics Solver free?

Statistics Solver is free to download, with in-app purchases available.

### Do Kauffman bracket or Statistics Solver have ads?

Neither Kauffman bracket nor Statistics Solver shows ads.

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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.*