# Pythagoras HD vs Pythagoras Interactive

The clearest difference is price: Pythagoras Interactive at Free against Pythagoras HD's $0.99. Pythagoras Interactive also leads on rating (5.0 vs 1.0) and update cadence (every 2 weeks vs every 24 months). Pythagoras HD's advantage is iOS requirement (12.0 vs 16.0). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Pythagoras Interactive is free to download; Pythagoras HD costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Pythagoras Interactive holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Pythagoras HD ships an update every 24 months, Pythagoras Interactive every 2 weeks. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Pythagoras HD | Pythagoras Interactive |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-hd/id404432708/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 1 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [ALAN PETERSON](https://appshunter.io/developer/1436516782) |

## What reviewers say

### Pythagoras HD

[App page](https://appshunter.io/ios/app/pythagoras-hd/id404432708)

Explore the Pythagorean Theorem through interactive puzzles and visual proofs. This educational app offers a unique, formula-free approach to understanding geometry. It's designed to make learning engaging and accessible.

**Highlights:** Visual proofs of Pythagorean Theorem, Interactive geometric puzzles, Formula-free learning, Engaging educational experience, iPad compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Pythagoras Interactive

[App page](https://appshunter.io/ios/app/pythagoras-interactive/id6466731389)

Explore the Pythagorean Theorem with an interactive visual tool. Adjust triangle legs to observe real-time changes in square areas and hypotenuse length. Distances are displayed in radical form when necessary.

**Highlights:** Interactive triangle manipulation, Visual representation of squares on sides, Real-time updates to hypotenuse and areas, Radical form for distances, Clear labeling of sides and areas

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

**In-app purchases:** none


## Frequently asked questions

### Is Pythagoras HD free?

Pythagoras HD costs $0.99, with no in-app purchases.

### Is Pythagoras Interactive free?

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

### Which has better reviews, Pythagoras HD or Pythagoras Interactive?

Pythagoras Interactive is rated higher. Pythagoras HD averages 1.0 out of 5 from 1 ratings, while Pythagoras Interactive averages 5.0 from 1 ratings.

### Do Pythagoras HD or Pythagoras Interactive have ads?

Neither Pythagoras HD nor Pythagoras Interactive shows ads.

### Which is updated more often, Pythagoras HD or Pythagoras Interactive?

Pythagoras HD ships an update every 24 months, and Pythagoras Interactive every 2 weeks. Most recently, Pythagoras HD was updated on September 25, 2026 and Pythagoras Interactive on September 30, 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.*