# Spirolaterals vs Wave Interference Simulator

The clearest difference is ads: Spirolaterals at none against Wave Interference Simulator's shown. Spirolaterals also leads on iOS requirement (11.0 vs 17.0). Wave Interference Simulator's advantage is update cadence (every 2 months vs every 6 months). On price, in-app purchases and device support there is nothing between them.

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

Spirolaterals ships an update every 6 months, Wave Interference Simulator every 2 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Spirolaterals | Wave Interference Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 2 months** |
| Size | 4 MB | 18 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ethier](https://appshunter.io/developer/432436572) | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) |

## What reviewers say

### Spirolaterals

[App page](https://appshunter.io/ios/app/spirolaterals/id791250763)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wave Interference Simulator

[App page](https://appshunter.io/ios/app/wave-interference-simulator/id6761347861)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spirolaterals free?

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

### Is Wave Interference Simulator free?

Wave Interference Simulator is free to download, with no in-app purchases.

### Do Spirolaterals or Wave Interference Simulator have ads?

Wave Interference Simulator shows ads; Spirolaterals does not.

### Which is updated more often, Spirolaterals or Wave Interference Simulator?

Spirolaterals ships an update every 6 months, and Wave Interference Simulator every 2 months. Most recently, Spirolaterals was updated on October 5, 2026 and Wave Interference Simulator on October 4, 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.*