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SpeedCrunch vs AlexCalc: catalog facts
SpeedCrunch	AlexCalc
Free Free and open source under the GPL.	Free Free to use; the source is published under the AGPL-3.0.
Windows, macOS, Linux	Android, iOS, Web
Results update as you type Up to 50 digits of precision	Formatted LaTeX display makes long equations easy to verify Handles units, variables and complex numbers
Latest advertised release is the long-standing 0.12 Keyboard-centred design may not suit button-only users	The on-screen layout is dense for a first-time user Formal releases are not published on GitHub
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-2.0-or-later	License: AGPL-3.0-only
No account needed	No account 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.