# SpiroDesigner vs Roulette Selector

The clearest difference is price: Roulette Selector at Free against SpiroDesigner's $2.99. Roulette Selector also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). SpiroDesigner's advantage is ads (none vs shown). On update cadence and in-app purchases there is nothing between them.

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

SpiroDesigner ships an update every 5 months, Roulette Selector every 4 months. The most recent releases landed on September 10, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | SpiroDesigner | Roulette Selector |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/spirodesigner-spirograph-app/id595177167/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Paid | — |
| Size | 19 MB | 28 MB |
| Requires iOS | 16.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Masahiko Fukuyama](https://appshunter.io/developer/595177290) | [SEUNGWOO JO](https://appshunter.io/developer/1638712318) |

## What reviewers say

### SpiroDesigner

[App page](https://appshunter.io/ios/app/spirodesigner-spirograph-app/id595177167)

Create intricate geometric patterns and mathematical curves with this digital spirograph tool. Customize circles, lines, and colors to design unique artwork. Features include saving, exporting, and automatic drawing modes.

**Highlights:** Draw epicycloids and hypotrochoids, Customize circle radii and line thickness, Select and edit colors, Save and export drawings as PNG, Automatic drawing mode, Randomize settings, Tutorial videos

**Features:** macOS Compatibility

**In-app purchases:** none


### Roulette Selector

[App page](https://appshunter.io/ios/app/roulette-selector-random-pick/id6479359803)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpiroDesigner free?

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

### Is Roulette Selector free?

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

### Do SpiroDesigner or Roulette Selector have ads?

Roulette Selector shows ads; SpiroDesigner does not.

### Which is updated more often, SpiroDesigner or Roulette Selector?

SpiroDesigner ships an update every 5 months, and Roulette Selector every 4 months. Most recently, SpiroDesigner was updated on September 10, 2026 and Roulette Selector on August 28, 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.*