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Backblaze Computer Backup vs Arq: catalog facts
Backblaze Computer Backup	Arq
Paid $9 per month per computer after a free trial with no credit card required.	Paid Paid software with a 30-day free trial.
Windows, macOS	Windows, macOS
Unlimited storage for one computer Minimal setup, runs automatically	Back up to your own cloud storage or local disk End-to-end encryption
One subscription per computer No Linux client	No Linux version Cloud storage is billed separately by your provider
Downloadable app, Hosted service	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is 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.