# Gamma vs Digi Invaders

The clearest difference is price: Gamma at Free against Digi Invaders's $0.99. Gamma also leads on update cadence (every 5 days vs every 5 weeks) and iOS requirement (15.0 vs 18.1). Digi Invaders's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support there is nothing between them.

Gamma is free to download; Digi Invaders costs $0.99 up front. Gamma sells 5 in-app purchases, starting at $0.99 per month. Digi Invaders asks for nothing beyond the download.

Gamma ships an update every 5 days, Digi Invaders every 5 weeks. The most recent releases landed on October 31, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Gamma | Digi Invaders |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (11K ratings)](https://appshunter.io/ios/app/gamma-ps-1-game-emulator/id6499106870/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 83.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 150 MB | 4 MB |
| Requires iOS | **15.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZODTTD LLC](https://appshunter.io/developer/290594874) | [Simon Wolf](https://appshunter.io/developer/1781945558) |

## What reviewers say

### Gamma

[App page](https://appshunter.io/ios/app/gamma-ps-1-game-emulator/id6499106870)

This app allows you to play your favorite PlayStation 1 games on your device. It offers enhanced graphics, controller customization, and cloud syncing for save states. Enjoy a superior gaming experience with easy file import and cheat code support.

**Highlights:** Enhanced hi-resolution graphics, Customizable controller skins, Save state syncing via cloud, Cheat codes system, Wide file format support, Hardware controller support

**Features:** macOS Compatibility, Game Controller support, Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Great Supporter | $0.99 | per month |
| Fantastic Supporter | $1.99 | per month |
| Incredible Supporter | $4.99 | per month |
| Greatest Supporter Of All Time | $9.99 | per month |
| Gamma Pro - Remove Ads | $4.99 | one-time |

**What reviewers like**

- 🚀 Smooth emulation
- 👍 Easy to use interface
- 🎮 Good controller support
- 🔥 Brings PS1 games to mobile

**What reviewers complain about**

- 🐛 Crashes with Bluetooth controllers
- 🔊 Audio issues with some games
- 📺 Limited display/graphics options
- 💰 Ads and paid version required

**Reported bugs**

- Crashes when customizing controls
- Some games freeze or have graphical issues
- Dropbox sync not working properly

**Requested features**

- Multiple controller support
- Customizable button layouts
- More display/graphics settings
- Ability to load .cue files


### Digi Invaders

[App page](https://appshunter.io/ios/app/digi-invaders/id6739808217)

Match numbers to destroy incoming invaders in this addictive arcade game. Experience classic LCD gaming with modern mobile gameplay, featuring 10 challenging levels and a high score system. Perfect for quick sessions and score competition.

**Highlights:** Number matching gameplay, 10 challenging levels, High score system, Customizable controls, Retro LCD display, No ads or IAPs

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

**In-app purchases:** none


## Frequently asked questions

### Is Gamma free?

Gamma is free to download, with in-app purchases available.

### Is Digi Invaders free?

Digi Invaders costs $0.99, with no in-app purchases.

### Do Gamma or Digi Invaders have ads?

Gamma shows ads; Digi Invaders does not.

### Which is updated more often, Gamma or Digi Invaders?

Gamma ships an update every 5 days, and Digi Invaders every 5 weeks. Most recently, Gamma was updated on October 31, 2026 and Digi Invaders on October 15, 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.*