About
Scan US currency with your camera to instantly identify rare serial numbers and star notes. Discover if your bills are worth more than face value, with detailed information on various rarity types. The first 20 scans are free, with a one-time purchase for full access.
What's New in RareBill
1.0.1
September 8, 2026
RareBill is now free to try: your first 20 scans are on us, with every feature enabled. If you want to keep going it's a single $4.99 payment — no subscription, nothing to cancel. Also fixed: a hang when the camera started up on some devices.
MoreSubscriptions & In-App Purchases
$14.99
RareBill Pro Lifetime
Every Pro feature, one payment.
Developer apps
FAQ
How does RareBill identify rare bills?
RareBill uses your device's camera to scan the serial number on US bills. It then analyzes the number on-device to detect star notes and various types of fancy serial numbers, such as solids, ladders, and repeaters.
What types of fancy serial numbers does RareBill detect?
RareBill detects a wide range of fancy serial numbers including solids, ladders, radars, repeaters, super repeaters, double quads, binary and true binary, low serials, high serials, and more.
Is RareBill free to use?
Yes, the first 20 bill scans are completely free. After that, a single one-time payment of $4.99 unlocks all features without any recurring subscriptions.
Does RareBill have ads?
No, RareBill is ad-free. The app is designed to provide a clean user experience without interruptions from advertisements.
What data does RareBill use for its valuations?
Valuations are estimates derived from published price guides. The app also utilizes official print-run data from the BEP's production reports dating back to 2002 and collector records from 1935.
Is my financial data safe with RareBill?
Yes, your privacy is protected. Your camera never leaves your phone, and nothing is uploaded or stored by the app.
What devices does RareBill support?
RareBill is currently supported on iPhone devices.
How often is RareBill updated?
The app was last updated on September 8, 2026, with version 1.0.1. This indicates a recent update, suggesting ongoing support and potential for future improvements.
