unitMeasure - A sleek unit calculator for android
Evaluator - A simple calculator app for macOS and Windows
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.
SumItUp for iMessage - Perform calculations to sum things up
Unit Converter - It's More easy to covert the UNITS now with the APP
ConvertAll - A comprehensive unit conversion program.