# SpiroGraph Tool vs Atheria

The clearest difference is price: Atheria at Free against SpiroGraph Tool's $0.99. SpiroGraph Tool's advantage is chart position (#194 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Atheria is free to download; SpiroGraph Tool costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | SpiroGraph Tool | Atheria |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/atheria-generative-art/id6787882705/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Best chart rank | **#194** | — |
| Size | 2 MB | 18 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yang Zhang](https://appshunter.io/developer/1821931362) | [Ben James](https://appshunter.io/developer/1893514280) |

## What reviewers say

### SpiroGraph Tool

[App page](https://appshunter.io/ios/app/spirograph-tool/id6759474624)

**Currently charting:** #194 Top Paid · Graphics & Design (US App Store)

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

**In-app purchases:** none


### Atheria

[App page](https://appshunter.io/ios/app/atheria-generative-art/id6787882705)

Transform your device into a generative art studio. Create dynamic, evolving fractal art that breathes and drifts. Export as Live Photos for animated lock screens or share your unique creations with others.

**Highlights:** Generative fractal art creation, Live Photo export for animated lock screens, Mutate and evolve existing art, Real-time color palette control, Write custom shaders on device, Save, share, and import art via text code, Cross-device Handoff with Mac version

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

**In-app purchases:** none


## Frequently asked questions

### Is SpiroGraph Tool free?

SpiroGraph Tool costs $0.99, with no in-app purchases.

### Is Atheria free?

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

### Do SpiroGraph Tool or Atheria have ads?

Neither SpiroGraph Tool nor Atheria shows ads.

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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.*