RateGuru for Android

Every currency.
No ads.

A free, open-source currency converter built for travel. Land in a new country and RateGuru already shows the local money next to yours, even with no signal.

● Free & open source · No ads · Works offline · Android 8.0+
RateGuru with the calculator row open, working out 25 times 4 US dollars
RateGuru main screen: 100 US dollars shown in Mexican pesos, euros and Vietnamese dong
RateGuru app icon
Ready when you landNo ads · No sign-up
Built for travel · Designed for daily use

The converter your
friends will ask about.

Most converters are buried in ads. RateGuru is one clean screen: the currencies you need, a big keypad, and nothing else.

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Many currencies at once

Keep up to 8 on screen, all converting together. Tap any row to type in it, and tap a flag to swap it for another.

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✈

Works offline

RateGuru keeps the last rates it downloaded, and ships with rates for 166 currencies, so it works in airplane mode and with no data plan.

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🧮

A calculator built in

Split a bill or add a tip without leaving the app: tap the orange key for + − × ÷ and %. Hold 0 to type 000 for currencies with big notes.

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One screen.
Big keys.

Raised keys you can hit while walking, a white card that's easy to read in the sun, and a search that finds currencies by country.

RateGuru main screen with four currencies and the keypad
Type once, see every currency
RateGuru with the calculator row showing divide, times, minus, plus, percent and equals
Calculator row when you need it
RateGuru currency list with search, suggested currencies and all currencies
Search by code, name or country

Install it.
Take it anywhere.

RateGuru isn't on Google Play, so Android installs it from the downloaded file. It then keeps itself up to date.

Good to know: RateGuru shows mid-market rates from Exchange Rate API, updated once a day. Banks, cards and exchange booths add their own margin, so expect to get a little less at the counter. The app only contacts the rates service and GitHub (for updates), and has no account, server or analytics.
1
Download the APK

Tap Download for Android on your phone, then open the file. Android asks you to allow installing apps from your browser once.

2
Open it once with data

RateGuru grabs today's rates and picks your home currency from your SIM. Change it any time in Settings.

3
Travel

Land, open RateGuru, and the local currency is already on top. Your other currencies stay where you left them.

4
Updates arrive on their own

When a new version is out, RateGuru offers it when you open the app. Tap Update, then Install.

Know the price. Skip the ads.

Free, open source under the MIT license, and private by design: no ads, no account, no server, no analytics.

Download RateGuru for Android