XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
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.
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.
drakdoo - Drakdoo is a crypto-currency trading app, that offers touch friendly charts and alerts, supporting cryptocurrencies, Forex and Nasdaq.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
ChangeHero - The Best Cryptocurrency Exchange Platform