RateKey

Currency converter · Android

Different currencies. Less friction.

Type an amount right on your home-screen widget. A simpler way to compare everyday prices when you travel.

Get on Google Play

Listed on Google Play as: RateKey: Currency Converter
Check the store for pricing, in-app purchases, regional availability and device requirements. Privacy policy

USD ↔
¥ JPY
€ EUR
USD→ JPY
1,200
123456789.0
Widget illustration · Not a live quote
01 / Home-screen keypad

Type an amount, right on your home screen.

Add the currency widget with its number pad to your home screen. Enter an amount to see a reference conversion when checking prices or comparing purchases on a trip.

  • Enter amounts directly in the widget
  • See the conversion as you type
  • Clear or backspace to edit an amount
RateKey · Home-screen keypad
RateKey · Home-screen keypadFull image ↗
02 / Switch currencies

Switch currencies and keep comparing.

Open the currency grid in the home-screen widget and choose a commonly used currency. Explore more options when you need another currency, then continue your conversion.

  • Pick common currencies from a grid
  • Quickly change your currency pair
  • Find other currencies in more options
RateKey · Switch currencies
RateKey · Switch currenciesFull image ↗
03 / Rate history

See the trend. Check a particular day.

Switch time ranges to explore how a rate has changed. Press and hold the chart to read the date and rate at a point, giving the numbers more context.

  • Switch between time ranges
  • Hold to inspect a date and historical rate
  • Follow changes along the chart
RateKey · Rate history
RateKey · Rate historyFull image ↗
05 / Rate source

Know the rate and where it comes from.

Check the source, data date and update time behind a conversion. Cached rates can also provide an offline reference, with their age kept in view.

  • See the source and update time
  • Refer to cached rates offline
  • Reference rates are not bank transaction quotes
RateKey · Rate source
RateKey · Rate sourceFull image ↗

Make a little more room for life.

See the full feature list, actual screenshots and latest version on Google Play.

Get on Google Play

Need a hand? Contact app support

Get RateKey on your phone

Scan with your phone camera to open Google Play.

RateKey Google Play QR codeGet on Google Play
RateKey
Get on Google Play