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