
Momentous Clock
Make every minute momentous
About
This app transforms your device's clock into a dynamic display of mathematical properties and number theory facts for the current time. It optionally reveals personal number connections from your contacts, all processed securely on your device.
What's New in Momentous Clock
2.1.6
April 14, 2026
More facts!
Developer apps
FAQ
What makes Momentous Clock unique?
Momentous Clock goes beyond a standard time display by computing and showcasing mathematical properties and number theory facts for each minute. It also offers optional on-device contact matching for personal number connections.
Does Momentous Clock collect my personal data?
No, Momentous Clock prioritizes user privacy. Contact matching happens entirely on device, and no personal data is ever transmitted. Anonymous usage analytics are collected solely for app improvement.
What devices is Momentous Clock available on?
Momentous Clock is available for iPhone and iPad. It also works as a Mac app via Catalyst, offering a consistent experience across Apple devices.
How often is Momentous Clock updated?
The latest version of Momentous Clock is 2.1.6, last updated on April 14, 2026. While specific update frequency isn't detailed, this indicates ongoing development and support.
What is the age rating for Momentous Clock?
Momentous Clock has an age rating of 4+, making it suitable for a wide range of users interested in its unique features.
Can Momentous Clock find number connections in my contacts?
Yes, Momentous Clock can optionally find personal number connections within your contacts. This feature is processed entirely on your device for your privacy.
Is Momentous Clock free to use?
Yes, Momentous Clock is available for free. There are no in-app purchases or advertisements, allowing for an uninterrupted experience.
What kind of number theory facts does Momentous Clock show?
Momentous Clock displays facts related to prime numbers, factorization, powers, sequences, and other mathematical curiosities associated with the current time.





