Foronum vs RareBill
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Foronum
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The world catalog of coins and banknotes, right in your pocket. Foronum is the app built for collectors: browse thousands of coins and banknotes from every country and organize your collection down to the detail that really matters. WORLD CATALOG • Coins and banknotes from every country, by continent and by country. • Full entry: obverse and reverse, year, metal, face value, KM# and P# numbers. • Global search by coin, country or year. YOUR COLLECTION • Log every piece with its year, mint mark, grade and the units you own. • Tap "I want it" and track everything you're still missing. • Foronum reference values by grade, visible to everyone. • Add your own valuation to each piece. MADE FOR COLLECTORS • 12 languages and dark mode. • Works offline: check what you've already seen, wherever you are. • The same account on the web and in the app, always in sync. Whether you're a beginner or an advanced collector, into euro coins, world coins or paper money, Foronum helps you identify, catalog and enjoy your collection. Create your free account and start your collection today.
RareBill
Scan US currency serial numbers to identify potentially valuable star notes and unique serial patterns. Offers instant on-device analysis with data sourced from official print reports and collector records. Provides estimated value ranges for collectible bills.
- Scan US bill serial numbers
- Identify star notes
- Detect fancy serial patterns
- On-device processing
- Value estimation
- Official data sources
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Scan any US bill. Find out in two seconds whether it's worth more than face value. Point your camera at the serial number. RareBill reads it on-device and tells you straight away whether you're holding a star note or a fancy serial. Your first 5 bills are free. WHAT MAKES A BILL SPECIAL STAR NOTES - replacement notes printed to replace damaged ones, marked with a star at the end of the serial. Roughly one bill in a hundred. Fancy serial numbers, all detected instantly: • Solid — 11111111 • Ladder — 12345678 • Radar — 12344321, reads the same backwards • Repeater — 74627462 • Super repeater — 39393939 • Double quad — 55553333 • Binary and true binary — only two digits • Low serials — under 00001000 • High serials — 9999xxxx • Seven of a kind, birthdays, bookends and more TRY IT ON YOUR OWN BILLS The first 5 scans are free and nothing is held back — print-run rarity, value ranges, the collection, stack mode, all of it. Check your own money, decide whether it works for you, and only then decide whether to pay. ONE PAYMENT, NO SUBSCRIPTION $4.99, once. Not a year, not a week — once. Every other app in this corner of the store bills you again next year. BUILT ON OFFICIAL DATA Print-run figures come from the BEP's own monthly production reports, 2002 to today, plus the published collector record back to 1935. Every serial range shipped in the app was cross-checked against the quantities printed alongside it — if the arithmetic didn't agree, the row didn't ship. RareBill also tells you what the lookup sites don't: small print runs are released in consecutive packs, so a low run number is not the same as a scarce note. Values are estimates from published price guides, not appraisals. RareBill is a reference tool for collectors: it makes no claim about whether a note is genuine, and it does not check your note for printing errors — the guide explains what to look for and leaves the judgement to you. Your camera never leaves your phone. Nothing is uploaded, nothing is stored.
Screenshots
Verdict
The clearest difference is in-app purchases: Foronum at none against RareBill's 1. On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. RareBill sells 1 one-off in-app purchase. Foronum asks for nothing beyond the download.
| Parameter | Foronum | RareBill |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | — | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 52 MB | 9 MB |
| Age rating | 4+ | +4 |
| Developer | Alejandro Medina Baeza | CHRISTOPHER JAMES HINCKLEY |
In-app purchases
Foronum
No in-app purchases
RareBill
- RareBill Pro Lifetime$4.99









