# OTT25 vs GammaWave

The clearest difference is iOS requirement: OTT25 at 12.0 against GammaWave's 15.0. On price, ads, 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.

## The numbers

| Metric | OTT25 | GammaWave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/gammawave-advanced-emulator/id6785180207/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Monetization | — | Free |
| Size | 36 MB | 98 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Stefan Kessler](https://appshunter.io/developer/1492978971) | [Priya Goel](https://appshunter.io/developer/1708308719) |

## What reviewers say

### OTT25

[App page](https://appshunter.io/ios/app/ott25/id6740314149)

**Features:** macOS Compatibility

**In-app purchases:** none


### GammaWave

[App page](https://appshunter.io/ios/app/gammawave-advanced-emulator/id6785180207)

Play classic console and handheld games with this high-performance emulator. It offers fast load times, responsive controls, and a clean interface. Bring your own game files and enjoy a seamless retro gaming experience.

**Highlights:** High-performance emulation, Save states with thumbnails, Fast-forward and slow-motion, Customizable touch controls, Optional cloud sync, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTT25 free?

OTT25 is free to download, with no in-app purchases.

### Is GammaWave free?

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

### Do OTT25 or GammaWave have ads?

Neither OTT25 nor GammaWave 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.*