kat5200 vs Javatari

kat52008.7Visit Javatari8.6Visit

Higher score kat5200 #5 in Atari Emulators 8.7/10 Free plan Free plan✓ 3 of 4 features Visit kat5200

vs

Javatari #6 in Atari Emulators 8.6/10 Free plan Free plan✓ 3 of 4 features Visit Javatari

• kat5200 fits best

  Atari 5200 and computer systems

• Javatari fits best

  Accessible Atari 2600 multiplayer in a browser

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Side by side

Feature	kat5200 8.7/10 Visit ↗	Javatari 8.6/10 Visit ↗
At a glance
Editor score	8.7	8.6
Ranking	#5 in Atari Emulators	#6 in Atari Emulators
Best for	Atari 5200 and computer systems	Accessible Atari 2600 multiplayer in a browser
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop, Mobile	Cloud, Self-hosted, Desktop, Mobile
Platforms	Windows, macOS, Linux, Android	Web, iOS, Android
Support	Docs	Docs
Built for	Solo, Small business	Solo, Small business
Features kat5200 3/4 · Javatari 3/4
Save states	✓	✓
Netplay	Not checked yet	✓ (best)
Controller remapping	✓	✓
BIOS required	✓ (best)	Not checked yet
Specs
Atari systems	Atari 5200, Atari 400, Atari 800, Atari 800 XL, Atari 800 XE	Atari 2600
Supported platforms	Windows, macOS, Linux, Android	web, iOS, Android
Our review
Pros	Supports Atari 5200, 400/800, and XL/XE systems Scans ROM libraries and supports searchable launching Offers per-ROM settings, save states, and input remapping	NetPlay supports multiplayer sessions across web and Android access. Save states can be exported and shared. Offline installation, touch controls, and a JavaScript API broaden access.
Cons	Requires users to provide the BIOS and software files Does not include copyrighted BIOS or game ROM files Android installation uses a direct APK rather than the Play Store	Emulation is limited to the Atari 2600 system. NetPlay is not available on Apple iOS. Advanced debug and playback controls may exceed basic emulator needs.
Our verdict	kat5200 is a free, open-source emulator for the Atari 5200 SuperSystem and Atari 8-bit computer families, including the Atari 400, 800, 800 XL, and 800 XE. It is aimed at people who want one application for these systems across Windows,… Read the review →	Javatari is an open-source Atari 2600 emulator designed for modern web browsers, with support for iOS and Android devices. It suits players who want browser-based ROM loading, customizable controls, and multiplayer sessions without a paid… Read the review →

Strengths and trade-offs

• kat5200 — where it wins

  • Supports Atari 5200, 400/800, and XL/XE systems
  • Scans ROM libraries and supports searchable launching
  • Offers per-ROM settings, save states, and input remapping

  Where it doesn't

  • Requires users to provide the BIOS and software files
  • Does not include copyrighted BIOS or game ROM files
  • Android installation uses a direct APK rather than the Play Store

• Javatari — where it wins

  • NetPlay supports multiplayer sessions across web and Android access.
  • Save states can be exported and shared.
  • Offline installation, touch controls, and a JavaScript API broaden access.

  Where it doesn't

  • Emulation is limited to the Atari 2600 system.
  • NetPlay is not available on Apple iOS.
  • Advanced debug and playback controls may exceed basic emulator needs.

• kat52008.7/10 · Free plan

  A free, open-source emulator with broad Atari system and input support.

  Visit kat5200Full verdict →
• Javatari8.6/10 · Free plan

  A free, open-source Atari 2600 emulator with browser access, NetPlay, and shareable save states.

  Visit JavatariFull verdict →