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PHPBoy vs RetroGBm

Both stand on game boy emulators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

PHPBoy

Paid LinuxMacWeb

PHPBoy provides multiple ways to run Game Boy and Game Boy Color games, including a backend-free browser option. The browser version’s stated speed limitation and the experimental status of desktop support are worth noting.

Visit PHPBoy

RetroGBm

Free plan AndroidWindows

RetroGBm provides Game Boy Color emulation with save, controller, cheat, and link-play features on Windows and Android. Before using v26.9, note that save states from older versions are not compatible.

Visit RetroGBm

The facts

PHPBoyRetroGBm
Free planNot publishedYes
Open sourceNot publishedNot published
Runs onLinux, Mac, WebAndroid, Windows
Lowest paid planNot publishedNot published
Plans publishedNoneNone
MakerNot publishedNot published
Websitegithub.comretrogbm.com
On game boy emulators#21 of 23#17 of 23

PHPBoy: what it does well

  • Supports original Game Boy and Game Boy Color games
  • Browser version runs without a backend
  • Supports MBC1, MBC3, and MBC5 cartridges
  • Passes all 11 Blargg CPU instruction tests

What to know first

  • Browser version is described as slow
  • Browser audio output is in progress
  • SDL2 desktop frontend is experimental
  • Setup requires Docker, Docker Compose, and Make

RetroGBm: what it does well

  • Supports three cartridge mapper types.
  • Includes battery-backed saves and rotating save states.
  • Offers adjustable speed and RTC emulation.
  • Supports controller input on Windows and Android.
  • Link play connects Android and Windows.

What to know first

  • Older save states are incompatible with v26.9.
  • Windows builds require Visual Studio 2026.
  • Android builds require Android Studio.

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