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v86 vs Vectras VM: catalog facts
v86	Vectras VM
Free Free and open source.	Free Free, with source code published on GitHub.
Web	Android
Runs whole operating systems in a browser tab x86-to-WebAssembly JIT for better speed	Runs full desktop operating systems on Android Based on the widely used QEMU emulator
Slower than native virtualization Best suited to older or lightweight operating systems	Emulating a PC on a phone is slow compared with a desktop Android only
Web application	Downloadable app
Open source	Open source
License not stated	License not stated
No account needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.