MTC Rapier Ballistic is an Android application designed for sports enthusiasts. It is a comprehensive ballistic calculator that connects to the MTC Optics Laser rangefinder and calculates bullet drops in Mils, MOA, mm, and inches. It can also take wind into account and show the fall of a shot on the on-screen reticle. The app is free to use and is licensed under MTC Optics in the lifestyle category.

What sets MTC Rapier Ballistic apart from other calculators is its ability to pair with the MTC Ballistic laser rangefinder. The rangefinder and the app communicate via Bluetooth and relay information to the smartphone and the supplied Bluetooth earpiece. With this feature, the app can instantly calculate points of impact, holdover, and even windage. MTC Rapier Ballistic Rangefinder accurately measures ranges up to one kilometer with an accuracy of one meter, all in a tiny package that contains a Bluetooth module capable of connecting to an external smartphone.