# Phosphor Emulator vs GlassROM

The clearest difference is in-app purchases: Phosphor Emulator at none against GlassROM's 1. Phosphor Emulator also leads on ratings volume (31 vs 6). GlassROM's advantage is rating (5.0 vs 4.7). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. GlassROM sells 1 one-off in-app purchase. Phosphor Emulator asks for nothing beyond the download.

GlassROM holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Phosphor Emulator has 31 ratings behind it against 6, so its average is the more settled of the two.

Phosphor Emulator ships an update every 3 days, GlassROM every 6 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Phosphor Emulator | GlassROM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (31 ratings)](https://appshunter.io/ios/app/phosphor-emulator/id6759676286/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/glassrom/id6760094643/reviews)** |
| Number of ratings | **31** | 6 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 days |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 84 MB | 38 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SquatchCraft LLC](https://appshunter.io/developer/1440325922) | [Vincent Galeano](https://appshunter.io/developer/1821763930) |

## What reviewers say

### Phosphor Emulator

[App page](https://appshunter.io/ios/app/phosphor-emulator/id6759676286)

This app provides a premium emulation experience for Game Boy, Game Boy Color, and Game Boy Advance games on modern iOS devices. It features advanced controls, instant save states, and unique functionalities like rewinding gameplay and AI play.

**Highlights:** Rewind and fast-forward gameplay, Instant save and load states, Customizable touch controls, MFi controller support, Game Boy Camera and Printer integration, AI Play feature

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### GlassROM

[App page](https://appshunter.io/ios/app/glassrom/id6760094643)

Play classic games from multiple retro consoles on your iOS device. Enjoy accurate emulation, customizable controls, and save states for a seamless gaming experience. All your games are managed locally with a focus on privacy.

**Highlights:** Supports Game Boy, NES, N64, DS, and GameCube, Metal-powered pixel-perfect rendering, Low-latency audio engine, On-screen and controller support, Save states and battery persistence, Import ROMs from Files app, Includes six original demo games

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GlassROM Pro | $9.99 | one-time |


## Frequently asked questions

### Is Phosphor Emulator free?

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

### Is GlassROM free?

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

### Which has better reviews, Phosphor Emulator or GlassROM?

GlassROM is rated higher. Phosphor Emulator averages 4.7 out of 5 from 31 ratings, while GlassROM averages 5.0 from 6 ratings.

### Do Phosphor Emulator or GlassROM have ads?

Neither Phosphor Emulator nor GlassROM shows ads.

### Which is updated more often, Phosphor Emulator or GlassROM?

Phosphor Emulator ships an update every 3 days, and GlassROM every 6 days. Most recently, Phosphor Emulator was updated on October 16, 2026 and GlassROM on October 5, 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.*