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Head-to-head · Game Boy Emulators

Coffee GB vs SkyEmu

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score Coffee GB #4 in Game Boy Emulators 7.4/10 Open source ✓ 5 of 5 features Visit Coffee GB
SkyEmu #6 in Game Boy Emulators 6.9/10 Free plan Free plan✓ 0 of 5 features Visit SkyEmu

Coffee GB leads on 5 checks, SkyEmu on 1, and 0 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCoffee GB · 7.4/10
  • Free planonly SkyEmu
  • Most featuresCoffee GB · 5 of 5

Coffee GB scores higher on our rubric for game boy emulators: 7.4 against 6.9 out of 10; our editors rank them #4 and #6.

SkyEmu offers free plan; Coffee GB doesn't publish it. Coffee GB offers save states; SkyEmu doesn't publish it. Coffee GB offers link cable emulation; SkyEmu doesn't publish it. Coffee GB offers netplay; SkyEmu doesn't publish it. Coffee GB offers real-time clock; SkyEmu doesn't publish it.

Coffee GB is the better fit for cross-platform play with advanced hardware features. SkyEmu is the better fit for users wanting broader Nintendo handheld support.

  • Coffee GB fits best

    Cross-platform play with advanced hardware features

  • SkyEmu fits best

    Users wanting broader Nintendo handheld support

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Coffee GB 7.4/10 Visit ↗ SkyEmu 6.9/10 Visit ↗
At a glance
Editor score 7.4 6.9
Ranking #4 in Game Boy Emulators #6 in Game Boy Emulators
Best for Cross-platform play with advanced hardware features Users wanting broader Nintendo handheld support
Pricing model Free Free
Starting price Not published Not published
Free plan Not published ✓ (best)
Free trial — —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, Android Web, Windows, macOS, Linux, iOS, Android
Built for Solo, Small business Solo, Small business
Features Coffee GB 5/5 · SkyEmu 0/5
Save states ✓ (best) Not published
Link cable emulation ✓ (best) Not published
Netplay ✓ (best) Not published
Real-time clock ✓ (best) Not published
Controller support ✓ (best) Not published
Specs
Supported systems Game Boy (GB/DMG), Game Boy Color (GBC/CGB), Super Game Boy features 4
Supported platforms Windows, macOS, Linux, Android Not published
Our review
Pros
  • Supports Windows, macOS, Linux, and Android
  • Includes rollback netplay, save management, and rewind
  • Emulates Camera, Printer, rumble, tilt, and real-time clocks
  • Supports Game Boy, Color, Advance, and Nintendo DS emulation
  • Includes save states, rewind, shaders, cheats, and controller support
  • Offers desktop, mobile, web, and REST-like API access
Cons
  • Focused on Game Boy, Game Boy Color, and Super Game Boy features
  • ROM files are not included
  • No iOS platform is listed
  • Nintendo DS emulation is identified as beta quality
  • Its focus is limited to four Nintendo handheld systems
  • Listed integrations are limited to RetroArch/libretro and Google Drive
Our verdict

Coffee GB is an open-source emulator for Game Boy, Game Boy Color, and Super Game Boy features. It is designed for players who want one application across Windows, macOS, Linux, and Android, with support for keyboard and game-controller…

Read the review →

SkyEmu is a free, open-source emulator for Game Boy, Game Boy Color, Game Boy Advance, and Nintendo DS software. It is aimed at users who want more than a single-system Game Boy emulator, with native builds for Windows, macOS, Linux, iOS,…

Read the review →
  1. Coffee GBGame Boy Emulators 7.4Open source
  2. SkyEmuGame Boy Emulators 6.9Free plan

Strengths and trade-offs

  • Coffee GB — where it wins

    • Supports Windows, macOS, Linux, and Android
    • Includes rollback netplay, save management, and rewind
    • Emulates Camera, Printer, rumble, tilt, and real-time clocks

    Where it doesn't

    • Focused on Game Boy, Game Boy Color, and Super Game Boy features
    • ROM files are not included
    • No iOS platform is listed

  • SkyEmu — where it wins

    • Supports Game Boy, Color, Advance, and Nintendo DS emulation
    • Includes save states, rewind, shaders, cheats, and controller support
    • Offers desktop, mobile, web, and REST-like API access

    Where it doesn't

    • Nintendo DS emulation is identified as beta quality
    • Its focus is limited to four Nintendo handheld systems
    • Listed integrations are limited to RetroArch/libretro and Google Drive

More comparisons

All game boy emulators comparisons → · Full ranking →

Guides on game boy emulators

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update