About this app
This app is a fully offline stamp usage ledger and seal record manager. It does not require login, does not connect to the internet, and does not collect or upload any user data. All stamp records, seal profiles, and notes are stored locally on the user’s device only.
Latest release
What’s New
Added a feedback feature.
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 15, 2026 · 1:42 PM $0.29
Screenshots
