# Pythagoras HD vs Arithmetic Quilts

The clearest difference is price: Arithmetic Quilts at Free against Pythagoras HD's $0.99. Arithmetic Quilts also leads on rating (4.3 vs 1.0) and ratings volume (3 vs 1). Pythagoras HD's advantage is review sentiment (43% vs 0%). On update cadence, ads, in-app purchases and device support there is nothing between them.

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

Arithmetic Quilts holds the better App Store score, 4.3 against 1.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively. Written reviews complicate that: 43% of Pythagoras HD's written reviews are positive against 0% of Arithmetic Quilts's, so the app with the better star average is not the one people write more warmly about.

Pythagoras HD ships an update every 24 months, Arithmetic Quilts every 14 months. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Pythagoras HD | Arithmetic Quilts |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/pythagoras-hd/id404432708/reviews) | **[4.3 (3 ratings)](https://appshunter.io/ios/app/arithmetic-quilts/id567300241/reviews)** |
| Number of ratings | 1 | **3** |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 14 months** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 34 MB |
| Requires iOS | 12.0 | **8.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roman Koksharov](https://appshunter.io/developer/700716922) | [Thomas Bretl](https://appshunter.io/developer/553850818) |

## 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


### Arithmetic Quilts

[App page](https://appshunter.io/ios/app/arithmetic-quilts/id567300241)

Explore the visual beauty of mathematical patterns through colorful quilt designs. This app transforms arithmetic and modular arithmetic tables into artistic creations, making abstract concepts tangible and engaging.

**Highlights:** Visualizes addition and multiplication tables, Assigns colors to numbers for pattern discovery, Explores modular arithmetic patterns, Creates quilts from recursive processes, Combines math and art

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pythagoras HD free?

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

### Is Arithmetic Quilts free?

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

### Which has better reviews, Pythagoras HD or Arithmetic Quilts?

Arithmetic Quilts is rated higher. Pythagoras HD averages 1.0 out of 5 from 1 ratings, while Arithmetic Quilts averages 4.3 from 3 ratings.

### Do Pythagoras HD or Arithmetic Quilts have ads?

Neither Pythagoras HD nor Arithmetic Quilts shows ads.

### Which is updated more often, Pythagoras HD or Arithmetic Quilts?

Pythagoras HD ships an update every 24 months, and Arithmetic Quilts every 14 months. Most recently, Pythagoras HD was updated on October 11, 2026 and Arithmetic Quilts on October 1, 2026.

---

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