About this app
Ever wondered when a US Flag should be flown at full staff versus half staff? So did we! That's why we created the Flag Protocol app so can you be up to date on how to display your flag. Best of all, the app is FREE and easy to set up. Get started today!
Latest release
What’s New
Bug fixes and better flag data!
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 20, 2026 · 8:30 AM Free
Screenshots
