XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
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.
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.
xCurrency - Smart Currency - A simple ads-free currency converter.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
Currencies - An exchange rates currency converter for Android