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SkySafari vs Sky Map: catalog facts
SkySafari	Sky Map
Paid Commercial app sold through the developer's store and app stores.	Free Free and open source under the GPL 3.0 or later licence.
Android, iOS	Android
Telescope control over ASCOM Alpaca, INDI and Celestron WiFi Plate solving to place your own astrophotos on the chart	Real-time identification using the phone's sensors Long history, maintained by the original developers
Paid and closed source Many features are aimed at telescope owners rather than casual stargazers	The classic interface looks dated, as the developers acknowledge Accuracy depends on the phone's compass and sensors
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0-or-later
Not stated if an account is needed	No account needed
Not stated if it 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.