About this app
Countdown to the next blue moon and black moon events. Blue Moon: The second full moon event in the same month. Black Moon: The second full new event in the same month. Features: - show only blue, only black moon or both events - add events to your calendar - share event dates via e-mail, Twitter or Facebook - support for iPad Pro and iPad multitasking
Latest release
What’s New
- bugs fixed
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 21, 2026 · 11:42 AM $0.99
Screenshots
