Show currency exchange rates for today 
ver 3.4:

Improved perfomance during app loading data
Some bugs during data loading fixed

ver 3.3:

Some bugs fixed

ver 3.0:
Brand new design!
Separate page for each currency rate and history data for the last 7 days is available now
Setup page is avaliable now too!
Click "Select" button and select the currency rates you interested in
ver 1.1 ( USD - EUR, USD - RUB)
ver 2.0 New UI design 
ver 2.2 UAH/USD curreny was added; In total 3 currency 
ver 2.3 fix in EUR/USD exch rate
exchange rates left:
EUR/USD
USD/RUB
UAH/USD


Thanks to
https://api.privatbank.ua/api-info/exchratenbu.html
and
fixer.io
for provided currency rates.