Ultimate Sticky Add to Cart supports these currency conversion apps:
* Default Shopify currency converter
* Coin Currency Converter by Shoppad
* BEST Currency Converter by Grizzly Apps
* Auto Currency Switcher by MLveda
* Bold Multi-Currency by Bold
In case you're rounding the calculated prices using a currency convertor app add the following snippet to your theme.liquid file inside a <script> tag:
window.cbRoundPriceTo = 0.99;
You can change the number according to your desired round to target number.