Compare software

There vs Second Clock: catalog facts
There	Second Clock
Free Free download with no sign-up.	Free Free, with an App Store version available.
macOS	macOS
Shows people with names and photos, not just time zones Flexible input by city, abbreviation or UTC offset	Shows another time zone in the menu bar Supports custom prefix text
macOS 13 or later only Menu bar display only, with no meeting planner	Displays one additional clock; it does not show seconds or the date Requires macOS 15 or later for the current version
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is 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 8, 2026

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