xCurrency - Smart Currency - A simple ads-free currency converter.
XE.com - XE.com Inc. (XE) is a Canadian online foreign exchange services company.
Grafana - Data visualization & Monitoring with support for Graphite, InfluxDB, Prometheus, Elasticsearch and many more databases
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.
Time Zones Converter - Time Zones Converter is an application which as the name implies, is used for converting time zones.
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.