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Head-to-head · Atari Emulators

Altirra vs Gearlynx

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Altirra #2 in Atari Emulators 9.2/10 Free plan Free plan✓ 2 of 4 features Visit Altirra
Gearlynx #4 in Atari Emulators 8.8/10 Free plan Free plan✓ 2 of 4 features Visit Gearlynx

Altirra leads on 0 checks, Gearlynx on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreAltirra · 9.2/10
  • Free planboth

Altirra scores higher on our rubric for atari emulators: 9.2 against 8.8 out of 10; our editors rank them #2 and #4.

Gearlynx offers bios required; Altirra doesn't.

Altirra is the better fit for deep Atari computer emulation on Windows. Gearlynx is the better fit for lynx emulation and developer debugging.

  • Altirra fits best

    Deep Atari computer emulation on Windows

  • Gearlynx fits best

    Lynx emulation and developer debugging

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Side by side

Feature Altirra 9.2/10 Visit ↗ Gearlynx 8.8/10 Visit ↗
At a glance
Editor score 9.2 8.8
Ranking #2 in Atari Emulators #4 in Atari Emulators
Best for Deep Atari computer emulation on Windows Lynx emulation and developer debugging
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop, Mobile
Platforms Windows Web, Windows, macOS, Linux, iOS, Android
Support Docs Docs
Built for Solo, Small business Solo, Small business
Features Altirra 2/4 · Gearlynx 2/4
Save states ✓ ✓
Netplay Not checked yet —
Controller remapping ✓ (best) Not checked yet
BIOS required — ✓ (best)
Specs
Atari systems Atari 400/800, 1200XL, 600/800XL, 130XE, XEGS, 5200 Atari Lynx
Supported platforms Windows Windows, macOS, Linux, BSD, Android, iOS, webOS and other libretro platforms
Our review
Pros
  • Cycle-exact emulation covers documented Atari hardware features.
  • Broad image, cartridge, expansion, disk, and controller support.
  • Debugger, save states, recording, and profiling support deeper work.
  • Supports Atari Lynx I and Lynx II, compressed ROMs, and homebrew ROMs
  • Includes save-state previews, rewind, run-ahead, and configurable audio filtering
  • Offers a detailed debugger, AI-assisted debugging, and ComLynx for up to eight instances
Cons
  • Available for Windows only.
  • Focused on Atari 8-bit computers and the 5200.
  • Real kernel ROM images may improve compatibility in some cases.
  • Requires a BIOS
  • ComLynx multiplayer uses local shared memory on one computer
  • Does not provide network netplay
Our verdict

Altirra is a free, open-source emulator for Atari 8-bit computers and the Atari 5200, designed for Windows. It covers the Atari 400/800, 1200XL, 600/800XL, 130XE, XEGS, and 5200, making it a fit for users who want more than basic game…

Read the review →

Gearlynx is a free, open-source Atari Lynx emulator written in C++. It is designed for Atari Lynx I and Lynx II emulation, with support for compressed and homebrew ROMs. Standalone builds are available for Windows, macOS, Linux, and BSD,…

Read the review →
  1. AltirraAtari Emulators 9.2Free plan
  2. GearlynxAtari Emulators 8.8Free plan

Strengths and trade-offs

  • Altirra — where it wins

    • Cycle-exact emulation covers documented Atari hardware features.
    • Broad image, cartridge, expansion, disk, and controller support.
    • Debugger, save states, recording, and profiling support deeper work.

    Where it doesn't

    • Available for Windows only.
    • Focused on Atari 8-bit computers and the 5200.
    • Real kernel ROM images may improve compatibility in some cases.

  • Gearlynx — where it wins

    • Supports Atari Lynx I and Lynx II, compressed ROMs, and homebrew ROMs
    • Includes save-state previews, rewind, run-ahead, and configurable audio filtering
    • Offers a detailed debugger, AI-assisted debugging, and ComLynx for up to eight instances

    Where it doesn't

    • Requires a BIOS
    • ComLynx multiplayer uses local shared memory on one computer
    • Does not provide network netplay
  • Altirra9.2/10 · Free plan

    A free, deep emulator for Atari software, hardware behavior, development, and debugging.

    Visit AltirraFull verdict →
  • Gearlynx8.8/10 · Free plan

    A free Lynx emulator with strong debugging, multiplayer, and AI-assisted development features.

    Visit GearlynxFull verdict →

More comparisons

All atari emulators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update