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SpeedCrunch vs Schulrechner: catalog facts
SpeedCrunch	Schulrechner
Free Free and open source under the GPL.	Free Free and open source under GPL-3.0-only.
Windows, macOS, Linux	Linux, Android, Web
Results update as you type Up to 50 digits of precision	Shows equation results as fractions and decimals Supports implicit multiplication
Latest advertised release is the long-standing 0.12 Keyboard-centred design may not suit button-only users	The F-Droid listing describes an early version with unlabeled buttons
Downloadable app	Downloadable app, Web application
Open source	Open source
License: GPL-2.0-or-later	License: GPL-3.0-only
No account needed	No account needed
Works offline	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.