# A vs Attracteur

The clearest difference is price: A at Free against Attracteur's $2.99. Attracteur's advantage is update cadence (every 25 months vs every 70 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

A is free to download; Attracteur costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for A against 5.0 for Attracteur. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

A ships an update every 70 months, Attracteur every 25 months. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | A | Attracteur |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/a-shape/id608284732/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/attracteur/id1572189546/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 70 months | **Every 25 months** |
| Monetization | **Free** | Paid |
| Size | 24 MB | 3 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Johannes Dwiartanto](https://appshunter.io/developer/471738677) | [Sylvain Lambert](https://appshunter.io/developer/783315608) |

## What reviewers say

### A

[App page](https://appshunter.io/ios/app/a-shape/id608284732)

Create unique geometric shapes through iterative affine transformations. Apply translations, rotations, and scaling to various objects with gradient coloring to generate visually interesting results.

**Highlights:** Affine transformation for shape creation, Translation, rotation, and scaling, Gradient coloring, Supports circles, rectangles, stars, polygons, and lines, Iterative shape generation

**In-app purchases:** none


### Attracteur

[App page](https://appshunter.io/ios/app/attracteur/id1572189546)

Explore the captivating realm of mathematical attractors. This application reveals the inherent beauty of chaos through interactive visualizations. It's designed for anyone curious about the intricate patterns found in complex systems.

**Highlights:** Mathematical attractor exploration, Chaos theory visualization, Interactive learning, Educational content, Beautiful mathematical patterns

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

**In-app purchases:** none


## Frequently asked questions

### Is A free?

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

### Is Attracteur free?

Attracteur costs $2.99, with no in-app purchases.

### Which has better reviews, A or Attracteur?

A and Attracteur are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do A or Attracteur have ads?

Neither A nor Attracteur shows ads.

### Which is updated more often, A or Attracteur?

A ships an update every 70 months, and Attracteur every 25 months. Most recently, A was updated on September 30, 2026 and Attracteur on October 10, 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.*