# Classis GBA vs Wave Interference Simulator

The clearest difference is ads: Classis GBA at none against Wave Interference Simulator's shown. Wave Interference Simulator's advantage is update cadence (every 2 months vs every 11 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Classis GBA ships an update every 11 months, Wave Interference Simulator every 2 months. The most recent releases landed on September 30, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Classis GBA | Wave Interference Simulator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | **Every 2 months** |
| Size | 19 MB | 18 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [MicroCodes.me](https://appshunter.io/developer/1831591571) | [Satoshi Yamakawa](https://appshunter.io/developer/1864114622) |

## What reviewers say

### Classis GBA

[App page](https://appshunter.io/ios/app/classis-gba/id6749649314)

**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 Classis GBA free?

Classis GBA 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 Classis GBA or Wave Interference Simulator have ads?

Wave Interference Simulator shows ads; Classis GBA does not.

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

Classis GBA ships an update every 11 months, and Wave Interference Simulator every 2 months. Most recently, Classis GBA was updated on September 30, 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.*