About this app
Offline Bank Card Manager, No Internet Connection Required • Password Notes: Take notes of ATM passwords, online banking passwords, and more • Interest-Free Period Calculator: Know which card to use today for the longest interest-free period • Payment Due Date Check: See which card needs payment • Payment Channel Bindings: Which card to use for discount promotions? Never forget to unbind when canceling a card • Completely Offline: Data is stored only on your phone, never uploaded to external servers. Privacy information is protected with 256-bit AES high-strength encryption. Even if your phone is lost, others will only see gibberish • Continuously Maintained: The developer uses this app personally, unlike some commercial apps that discontinue updates when not profitable If you like this app, please consider leaving a review to encourage us. If you have any questions, suggestions, or feedback, feel free to contact me at hi@anniapp.com
Latest release
What’s New
* Fix navigation bar too short & unlock button positioned too low on iPhone 15 Pro and newer models + Long press card during unlock to view details
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 Oct 6, 2026 · 3:55 AM $0.99
Screenshots
