Compare software

Exfilac vs Zimly: S3 Backup: catalog facts
Exfilac	Zimly: S3 Backup
Free Free and open source under the ISC license.	Free Free and open source under GPL-3.0-only.
Android	Android
Works with S3-compatible and self-hosted storage Can upload on a schedule or device events	Works with any S3-compatible storage Supports self-hosted MinIO and AWS S3
Uploads files to S3-compatible storage	Requires your own S3 storage and credentials Android only
Downloadable app	Downloadable app
Open source	Open source
License: ISC	License: GPL-3.0-only
Not stated if an account is needed	No account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked October 8, 2026	Official website Full listing and sources Checked October 2, 2026

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