C64 Forever vs Z64K

C64 Forever8.8Visit ZZ64K8.5Visit

Higher score C64 Forever #3 in Commodore 64 Emulators 8.8/10 Free plan Free plan✓ 1 of 3 features Visit C64 Forever

vs

Z Z64K #5 in Commodore 64 Emulators 8.5/10 Free plan Free plan✓ 1 of 3 features Visit Z64K

• C64 Forever fits best

  Plug-and-play users wanting games included

• Z64K fits best

  Multi-system users wanting pixel-exact C64 emulation

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	C64 Forever 8.8/10 Visit ↗	ZZ64K 8.5/10 Visit ↗
At a glance
Editor score	8.8	8.5
Ranking	#3 in Commodore 64 Emulators	#5 in Commodore 64 Emulators
Best for	Plug-and-play users wanting games included	Multi-system users wanting pixel-exact C64 emulation
Pricing model	Free plan + paid	Free
Starting price	$19.95 one-time	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows, macOS, Linux
Built for	Solo, Small business	Solo, Small business
Features C64 Forever 1/3 · Z64K 1/3
Built-in debugger	Not checked yet	✓ (best)
Netplay support	Not checked yet	Not checked yet
Bundled software library	✓ (best)	Not checked yet
Specs
Supported platforms	Windows	Windows, macOS and Linux via Java runtime
Disk and tape formats	RP9, D64, T64, C64 and other disk, tape and cartridge formats	D64, D71, G64, G71, IMD and CRT
Emulated C64 variants	C64, PET 2001, CBM 3032, CBM 4032, CBM 8032, VIC-20, CBM 610, C16, Plus/4, C128	Commodore 64
Our review
Pros	More than 200 preinstalled games and demoscene productions Emulates C64, VIC-20, C128, PET, CBM, C16 and Plus/4 systems Converts RP9, D64, T64 and other disk, tape and cartridge formats	Pixel-exact C64 emulation with PAL and NTSC timing options Debugging, single-step support, virtual drives, and CRT cartridges Also emulates Commodore 128, VIC-20, Atari 2600, and ZX Spectrum
Cons	Windows is the only supported platform The Free Express Edition is feature-limited Plus Edition upgrades require a previous Plus Edition license	Requires Java 8 or later to run the downloadable JAR Classic-system focus may not suit users seeking modern platforms No AI features for assisted setup, analysis, or workflows
Our verdict	C64 Forever is a Windows-based emulation and preservation package from Cloanto for people who want Commodore 64 software with an included content library. It covers the C64 and several CBM 8-bit systems, including VIC-20, C128, PET 2001,… Read the review →	Z64K is a free, Java-based emulator for retro-computing users, preservationists, and developers working with classic computer software. Its core focus is pixel-exact Commodore 64 hardware emulation, while also covering Commodore 128,… Read the review →

Strengths and trade-offs

• C64 Forever — where it wins

  • More than 200 preinstalled games and demoscene productions
  • Emulates C64, VIC-20, C128, PET, CBM, C16 and Plus/4 systems
  • Converts RP9, D64, T64 and other disk, tape and cartridge formats

  Where it doesn't

  • Windows is the only supported platform
  • The Free Express Edition is feature-limited
  • Plus Edition upgrades require a previous Plus Edition license

• Z64K — where it wins

  • Pixel-exact C64 emulation with PAL and NTSC timing options
  • Debugging, single-step support, virtual drives, and CRT cartridges
  • Also emulates Commodore 128, VIC-20, Atari 2600, and ZX Spectrum

  Where it doesn't

  • Requires Java 8 or later to run the downloadable JAR
  • Classic-system focus may not suit users seeking modern platforms
  • No AI features for assisted setup, analysis, or workflows

• C64 Forever8.8/10 · Free plan

  A Windows-focused C64 package with bundled titles, broad emulation, and preservation tools.

  Visit C64 ForeverFull verdict →
• ZZ64K8.5/10 · Free plan

  A free, multi-system Java emulator with deep C64 debugging and hardware support.

  Visit Z64KFull verdict →