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Blue Square Speedometer vs Kotori: catalog facts
Blue Square Speedometer	Kotori

Best for: A private, no-frills GPS speed and position readout on Android	Best for: Android users who need a GPS speedometer
Free Free and open source under the Apache-2.0 licence.	Free Free and open source under GPL-3.0-or-later.
Android	Android
No network permission, so no data leaves the app Speed, altitude and coordinates on one screen Available on both Google Play and F-Droid	Shows current, average, and maximum speed Displays distance, GPS accuracy, and satellite counts Can work without internet access
No maps, routes or track recording Android only	Android only GPS assistance may share data with Google Play Services
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0-or-later
No account needed	Not stated if an account is needed
Offline features available	Not stated if it works offline
Official website Full listing and sources Sources for Blue Square Speedometer github.com/nhirokinet/bluesquarespeedometer f-droid.org/packages/net.nhiroki.bluesquarespeedometer Catalog checked October 2, 2026	Official website Full listing and sources Sources for Kotori f-droid.org/packages/dev.melonpan.kotori Catalog checked October 8, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.