XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Yahoo! Finance - Currencies Center - Currency Converter from Yahoo! Finance.
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.
Currencies - An exchange rates currency converter for Android
xCurrency - Smart Currency - A simple ads-free currency converter.
Universal Currency Converter - Calculate live currency and foreign exchange rates with the free Xe Currency Converter. Convert between all major global currencies, precious metals, and crypto with this currency calculator and view the live mid-market rates.