Compare software

Fossify Calculator vs Vanilla: catalog facts
Fossify Calculator	Vanilla
Free Free and open source under the GPL-3.0 licence, with no ads.	Free Free and open source under the GPL-3.0 license.
Android	Android
No internet permission, ads or tracking Calculation history	Lightweight app No permissions needed, according to its project description
Not a full scientific or graphing calculator Android only	Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-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 8, 2026

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