Manage collections with customizable categories and item tracking. Add notes, photos, and tags to each entry. Sort and filter items by date, name, or custom fields. Export data in various formats and sync across devices.
by Andrea Gelati★ 3.02 ratingsReferenceFreeData updated 2026-09-06
The app provides facts on 267 world entities, including history, people, government, economy, and geography. All data is available offline, with no internet connection required for access.
Check U.S. paper money for star notes and rare serial numbers. Identify fancy serials like repeaters, ladders, and low serials. Access expert insights on note rarity and value. Verify replacement notes instantly.
Detect electromagnetic fields and temperature changes for paranormal activity. Record and analyze electronic voice phenomena. View visual representations of detected anomalies.
