# Mathe 4. Klasse vs Hypothesis Testing Calculator

The clearest difference is price: Hypothesis Testing Calculator at Free against Mathe 4. Klasse's $2.99. Hypothesis Testing Calculator also leads on update cadence (every 3 weeks vs every 31 months). Mathe 4. Klasse's advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

Hypothesis Testing Calculator is free to download; Mathe 4. Klasse costs $2.99 up front. Hypothesis Testing Calculator sells 8 one-off in-app purchases. Mathe 4. Klasse asks for nothing beyond the download.

Mathe 4. Klasse ships an update every 31 months, Hypothesis Testing Calculator every 3 weeks. The most recent releases landed on November 3, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Mathe 4. Klasse | Hypothesis Testing Calculator |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Size | 19 MB | 180 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Mathe 4. Klasse

[App page](https://appshunter.io/ios/app/mathe-4-klasse/id1494042040)

**Features:** macOS Compatibility

**In-app purchases:** none


### Hypothesis Testing Calculator

[App page](https://appshunter.io/ios/app/hypothesis-testing-calculator/id6472454189)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +30 User Tokens | $0.29 | one-time |
| +1 Convenience Token / 6h, max. +2 | $0.59 | one-time |
| +2 Convenience Tokens / 6h, max. +4 | $0.99 | one-time |
| +150 User Tokens | $0.99 | one-time |
| +300 User Tokens | $1.49 | one-time |
| +4 Convenience Tokens / 6h, max. +8 | $1.59 | one-time |
| Lifetime Access | $1.99 | one-time |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Mathe 4. Klasse free?

Mathe 4. Klasse costs $2.99, with no in-app purchases.

### Is Hypothesis Testing Calculator free?

Hypothesis Testing Calculator is free to download, with in-app purchases available.

### Do Mathe 4. Klasse or Hypothesis Testing Calculator have ads?

Neither Mathe 4. Klasse nor Hypothesis Testing Calculator shows ads.

### Which is updated more often, Mathe 4. Klasse or Hypothesis Testing Calculator?

Mathe 4. Klasse ships an update every 31 months, and Hypothesis Testing Calculator every 3 weeks. Most recently, Mathe 4. Klasse was updated on November 3, 2026 and Hypothesis Testing Calculator on November 2, 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.*