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Kompact vs PicGuard: catalog facts
Kompact	PicGuard
Free Free and open source under the AGPL-3.0, with no account required.	Freemium Free without ads; a paid Pro version adds font, size and spacing options.
Android	Android, Web
Fully offline, images never leave the phone Batch compression with target size and quality settings	Images are processed locally and never uploaded Customizable watermark color and opacity
Android only Watermarking is limited to text	Font and spacing options require the paid Pro version Focused on watermarking only, not general editing
Downloadable app	Downloadable app, Web application
Open source	Open source
License: AGPL-3.0	License: GPL-3.0
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 2, 2026	Official website Full listing and sources Checked October 2, 2026

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