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Scanning Receipts Abroad: Tracking Expenses in More Than One Currency

A receipt from another country is a different problem than a receipt from home. The currency isn't yours, the decimal comma might be where you expect a dot, and half the words on the page aren't in a language your budget app was built for. This page is about how ReceiptIQ AI handles that: what it reads automatically, what it asks you about, and what it still gets wrong.

How currency detection works

ReceiptIQ AI does not assume a receipt is in your home currency just because your phone is set to one country. It looks at the evidence printed on the receipt itself — currency symbols, currency words, tax-authority identifiers, and the script the receipt is written in — and decides the currency from that. A yen receipt is recognised as yen because it looks like a yen receipt, not because you happened to be in Japan when you scanned it.

When it finds a foreign currency, it converts the total and every line item to your home currency at that day's exchange rate, and shows both the printed amount and the converted amount side by side — so you can always see what was actually on the paper, not just the number that landed in your budget.

When it asks instead of guessing

Not every receipt prints a currency mark. About a third of receipts in our own testing don't — and most of those really are in the local, expected currency, so ReceiptIQ AI doesn't ask about every blank receipt; that would mean a question on nearly every third scan, which is worse than just getting it right most of the time. It only asks when there's a specific reason to doubt the assumption: a foreign script or a foreign address on the receipt, or your phone's time zone being outside your home currency's country. In that case it saves the receipt first, then asks once which currency it was actually in, and remembers your answer for that store so it doesn't ask again next time you're there. It never assumes just because nothing is printed — a Korean duty-free shop, for example, prices in US dollars, not the local currency, so "no symbol printed" and "which country you're in" are both the wrong signal on their own.

Country by country

Japan

Japanese receipts mix kanji, kana and yen amounts, and an app tuned for English text can misread the whole thing — item names coming out as barcodes, totals read wrong. ReceiptIQ AI reads Japanese, Chinese and Korean receipts as such rather than forcing them through an English-only reading. Yen is a home currency you can choose, so a Japanese user's own receipts aren't quietly converted to dollars.

More on Japanese receipt scanning →

South Korea, including duty-free

Korean duty-free shops at the airport price in US dollars, not won — a detail that's easy to get wrong if you assume "the shop is in Korea" means "the money is won." ReceiptIQ AI knows the difference and handles Korean duty-free receipts as US-dollar receipts.

Taiwan and Hong Kong

Taiwan and Hong Kong both print Traditional Chinese, so a receipt scanner that only looks at language sees one country. They're two different currencies — New Taiwan dollars and Hong Kong dollars — and mixing them up puts the wrong amount into your budget. ReceiptIQ AI tells them apart by what's actually printed: Taiwanese receipts almost always carry a business tax number the law requires, and Hong Kong receipts print their own currency mark. Where a receipt has neither, it's left in your home currency rather than guessed.

Colombia and Argentina

Colombian and Argentine pesos are usually printed with a plain dollar sign, no cents, and a comma marking thousands — so "$ 46,435" on a Colombian receipt means forty-six thousand pesos, not forty-six dollars. Read the wrong way, a receipt like that would be stored as a home-currency amount a thousand times too small. ReceiptIQ AI recognises that style of amount and the local evidence (tax-authority names, "u$s" style dollar-equivalent lines on Argentine receipts) that points to pesos rather than dollars.

Europe

European receipts commonly write amounts with a comma where you might expect a decimal point (16,50 rather than 16.50), and the total isn't always the first number under a label that says "total." ReceiptIQ AI reads both comma and dot decimals, and looks past tax-breakdown tables and tender lines to find the actual total rather than the first number that happens to be nearby.

What this doesn't do

ReceiptIQ AI never links to your bank account and never reads your email inbox — it only sees what you photograph. That also means it can't look up a receipt for you; if a photo is too blurry or too small to read, or a currency truly can't be determined from what's printed, it says so and lets you fix it by hand rather than guessing silently. Family Sharing covers up to 4 iPhones on one subscription, syncing receipts phone to phone with no account and no server copy — useful if more than one person in a travelling family is scanning receipts on the same trip.

Curious how this is actually tested? See how ReceiptIQ AI is checked against real receipts from many countries before every release, including several of the exact currency bugs described above.

Frequently asked questions

Can I track expenses in different currencies on a trip?
Yes. Photograph each receipt as you go; ReceiptIQ AI reads the currency printed on the receipt itself, converts it to your home currency at that day's rate, and keeps the printed amount visible alongside the converted one so your trip's spending lands in one currency without losing the original.
Does a receipt scanner app convert foreign currency automatically?
ReceiptIQ AI does, when the receipt gives it enough evidence — a currency symbol, a currency word, or a script/format that clearly belongs to a country. When the evidence is thin, it asks you once, rather than converting on a guess.
What receipt scanner works for Japan, Korea and Taiwan?
ReceiptIQ AI reads Japanese, Chinese and Korean receipts, tells Taiwanese and Hong Kong receipts apart despite sharing a script, and knows that Korean duty-free shops charge in US dollars rather than won.
How does it handle a receipt with no currency symbol at all?
Most unmarked receipts are genuinely in the local, expected currency, so it doesn't ask about every one. It only asks when something else on the receipt — a foreign script, a foreign address, or your phone being in a different time zone than your home currency — gives it a reason to doubt the assumption. You can always correct the currency yourself afterward.
Is there a receipt app that handles Colombian or Argentine pesos?
Yes. ReceiptIQ AI recognises the peso style of writing amounts (a bare dollar sign, no cents, comma thousands separators) so a receipt like "$ 46,435" is read as forty-six thousand pesos rather than misread as decimal dollars.
Do I need a data connection or a bank account for this to work?
ReceiptIQ AI never links to a bank account or reads your email. Scanning and currency conversion need a data connection to fetch that day's exchange rate; if you're offline, the receipt is saved and converted the next time you're back online.

See every feature on the Features page, or read how each release is tested against real receipts from many countries.

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