Yahoo! Finance - Currencies Center VS xCurrency - Smart Currency

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.

Elk - The fastest way to convert currencies on mobile.

Cocorate.com - Online currency and cryptocurrencies exchange rates calculator helps you convert anything in real-time.

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.