ChangeHero - The Best Cryptocurrency Exchange Platform
Biticker - Ticker, price graph, currency converter and price desktop notifications for Bitcoin and more.
changelly - Exchange alternative cryptocurrencies.
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Coinbase - Bitcoin, safe and easy.
Valuta+ - Valuta+ is a super simple & free currency converter. The interface is fast and makes you convert exchange rates very easily. This app have more than 160+ currencies for you and is always updated.