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Head-to-head · Sega Master System Emulators

MasterGear vs Genesis Plus GX

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score MasterGear #2 in Sega Master System Emulators 9.0/10 Free plan Free plan✓ 3 of 5 features Visit MasterGear
Genesis Plus GX #6 in Sega Master System Emulators 8.2/10 Free plan Free plan✓ 2 of 5 features Try Genesis Plus GX

MasterGear leads on 0 checks, Genesis Plus GX on 0, and 6 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 scoreMasterGear · 9.0/10
  • Free planboth
  • Most featuresMasterGear · 3 of 5

MasterGear scores higher on our rubric for sega master system emulators: 9.0 against 8.2 out of 10; our editors rank them #2 and #6.

MasterGear is the better fit for users prioritizing mature SMS features and NetPlay. Genesis Plus GX is the better fit for retroArch users wanting broad Sega emulation.

  • MasterGear fits best

    Users prioritizing mature SMS features and NetPlay

  • Genesis Plus GX fits best

    RetroArch users wanting broad Sega emulation

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Side by side

Feature MasterGear 9.0/10 Visit ↗ Genesis Plus GX 8.2/10 Visit ↗
At a glance
Editor score 9.0 8.2
Ranking #2 in Sega Master System Emulators #6 in Sega Master System Emulators
Best for Users prioritizing mature SMS features and NetPlay RetroArch users wanting broad Sega emulation
Pricing model Free plan + paid Free
Starting price — Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop, Mobile Desktop
Platforms Windows, Linux, Android Windows
Support Email, Community, Docs Docs
Built for Solo, Small business Solo, Small business
Features MasterGear 3/5 · Genesis Plus GX 2/5
Source available — Not checked yet
Built-in debugger ✓ (best) Not checked yet
Netplay support ✓ ✓
Cheat support ✓ ✓
BIOS required — Not checked yet
Specs
Supported platforms Windows, Linux, Android Windows; GameCube; Wii; RetroArch-based platforms
Our review
Pros
  • Supports Master System, Game Gear, SG1000, and related Sega systems
  • Includes built-in debugging, NetPlay, save states, and cheat tools
  • Offers configurable video options, FM sound, and serial EEPROM emulation
  • Covers Master System, Game Gear, Genesis, Mega CD, and SG-1000
  • Supports save states, netplay, cheats, and display filters
  • Integrates with RetroArch, BizHawk, and OpenEmu
Cons
  • Android access is paid, while Windows and Linux versions are free
  • Does not include game ROMs
  • Not open source and has no AI features
  • Sega-focused scope does not cover non-Sega console families
  • Sega PICO emulation remains preliminary
  • Platform access is split between standalone ports and frontend integrations
Our verdict

MasterGear is an emulator for Sega Master System software and a broad group of related 8-bit systems, including Game Gear, SG1000, SC3000, SF7000, Mark II, and Mark III. It is aimed at players and preservation-focused users who provide…

Read the review →

Genesis Plus GX is an open-source emulator focused on Sega's 8-bit and 16-bit systems. It is aimed at players who want Master System and Game Gear support alongside Genesis/Mega Drive, Sega/Mega CD, SG-1000, and preliminary Sega PICO…

Read the review →
  1. MasterGearSega Master System Emulators 9.0Free plan
  2. Genesis Plus GXSega Master System Emulators 8.2Free plan

Strengths and trade-offs

  • MasterGear — where it wins

    • Supports Master System, Game Gear, SG1000, and related Sega systems
    • Includes built-in debugging, NetPlay, save states, and cheat tools
    • Offers configurable video options, FM sound, and serial EEPROM emulation

    Where it doesn't

    • Android access is paid, while Windows and Linux versions are free
    • Does not include game ROMs
    • Not open source and has no AI features

  • Genesis Plus GX — where it wins

    • Covers Master System, Game Gear, Genesis, Mega CD, and SG-1000
    • Supports save states, netplay, cheats, and display filters
    • Integrates with RetroArch, BizHawk, and OpenEmu

    Where it doesn't

    • Sega-focused scope does not cover non-Sega console families
    • Sega PICO emulation remains preliminary
    • Platform access is split between standalone ports and frontend integrations

More comparisons

All sega master system emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update