# PythagorasTree vs Ech's Fractal

The clearest difference is rating: PythagorasTree at 5.0 against Ech's Fractal's 3.7. PythagorasTree also leads on review sentiment (100% vs 75%) and iOS requirement (13.0 vs 15.6). On price, ratings volume, update cadence and ads there is nothing between them.

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

PythagorasTree holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 6 respectively. Written reviews point the same way: 100% of PythagorasTree's written reviews are positive against 75% of Ech's Fractal's.

PythagorasTree ships an update every 21 months, Ech's Fractal every 18 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | PythagorasTree | Ech's Fractal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pythagorastree/id421785224/reviews)** | [3.7 (6 ratings)](https://appshunter.io/ios/app/echs-fractal/id1315403987/reviews) |
| Number of ratings | 3 | **6** |
| Positive reviews | **100.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 18 months** |
| Monetization | Free | Free |
| Size | 3 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Eric Stroh](https://appshunter.io/developer/388351590) | [Tuan Anh Nguyen](https://appshunter.io/developer/1176103364) |

## What reviewers say

### PythagorasTree

[App page](https://appshunter.io/ios/app/pythagorastree/id421785224)

Explore the visual beauty of mathematical concepts with this app. It generates fractal art based on the Pythagorean theorem, allowing you to customize angles and colors. Watch the intricate patterns grow and shrink to understand the recursive process.

**Highlights:** Recursive fractal generation, Adjustable triangle angles, Customizable tree colors, Interactive growth and shrink animation, Visualizes Pythagorean theorem

**Features:** macOS Compatibility

**In-app purchases:** none


### Ech's Fractal

[App page](https://appshunter.io/ios/app/echs-fractal/id1315403987)

Explore intricate fractal patterns with customizable depth and color palettes. This application allows users to render the Mandelbrot set with high detail.

**Highlights:** Customizable depth up to 5000, Customizable colors, Mandelbrot set rendering, High detail exploration

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

**In-app purchases:** none


## Frequently asked questions

### Is PythagorasTree free?

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

### Is Ech's Fractal free?

Ech's Fractal is free to download, with no in-app purchases.

### Which has better reviews, PythagorasTree or Ech's Fractal?

PythagorasTree is rated higher. PythagorasTree averages 5.0 out of 5 from 3 ratings, while Ech's Fractal averages 3.7 from 6 ratings.

### Do PythagorasTree or Ech's Fractal have ads?

Neither PythagorasTree nor Ech's Fractal shows ads.

### Which is updated more often, PythagorasTree or Ech's Fractal?

PythagorasTree ships an update every 21 months, and Ech's Fractal every 18 months. Most recently, PythagorasTree was updated on November 1, 2026 and Ech's Fractal 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.*