Compare software

Sly vs Image Toolbox: catalog facts
Sly	Image Toolbox
Free Free and open source with no ads or subscriptions; donations welcome.	Free Free and open source under the Apache-2.0 licence.
macOS, Linux, Android, iOS	Android
Easy to use without editing experience Photos are processed locally and never uploaded	More than 310 filters with shareable custom filter chains Batch processing and format conversion
No Windows version yet Basic adjustments rather than a full editing suite	Android only The large feature set can take time to learn
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-or-later	License: Apache-2.0
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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