Side by side
Coffee GB vs DocBoy
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.
Free plan AndroidLinuxMac+1
Coffee GB combines broad save tools with netplay and cartridge accessory support across four platforms. Users need to supply their own ROM files and should account for the stated netplay and macOS controller limitations.
Visit Coffee GB Free plan AndroidiPhoneLinux+1
Choose DocBoy if you want a free, open source emulator with detailed CPU and graphics emulation, save states, and an optional debugger. Consider the project’s stated accuracy and performance caveat when choosing it, and note that the documented executable releases are for Windows and Linux.
Visit DocBoyThe facts
| Coffee GB | DocBoy | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Android, Linux, Mac, Windows | Android, iPhone, Linux, Windows |
| Lowest paid plan | Free or on request | Not published |
| Plans published | 1 | None |
| Maker | Not published | Not published |
| Website | github.com | github.com |
| On game boy emulators | #3 of 23 | #7 of 23 |
Coffee GB: what it does well
- Runs on Windows, macOS, Linux and Android.
- Offers ten save slots, rewind and autosave.
- Rollback netplay supports link-cable games and synchronized infrared.
- Supports Game Genie and GameShark cheats.
- Handles several cartridge accessories, including Camera and Printer.
What to know first
- ROM files are not included.
- Netplay uses a direct, unencrypted TCP connection.
- macOS controller input requires compatible system SDL2.
DocBoy: what it does well
- Emulates the original DMG GameBoy and CGB GameBoy Color.
- Supports eight listed cartridge types.
- Includes save states, fast-forward, screenshots, and configurable palettes.
- Offers an optional debugger with breakpoints and rewind.
- Can run as a libretro core with RetroArch.
What to know first
- The project says perfect emulation remains a distant goal.
- The project warns accuracy may come at some performance cost.
- Executable releases are listed for Windows and Linux; Android requires a libretro build.
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