XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Biticker - Ticker, price graph, currency converter and price desktop notifications for Bitcoin and more.
Tweetbot - Sync your timeline across your iPhone, iPad, and Mac. Mute tweets by user, hashtag, tweet source, or keywords (including regex). 3rd Party support for image, video, read later, and timeline sync services.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
drakdoo - Drakdoo is a crypto-currency trading app, that offers touch friendly charts and alerts, supporting cryptocurrencies, Forex and Nasdaq.
Currencies - An exchange rates currency converter for Android