TSPROF SharpNote vs RikaNV Ballistics

The TSPROF Sharpener’s Registry is a useful tool for keeping a log of all sharpened knives for repeated sharpening or experiments with sharpness retention, level of sharpness and surface processing quality. With the Sharpener's Registry you can save information about the angle, sharpening and finishing stones, and polishing supplies. Take pictures of the results and share them with the sharpening community.

RikaNV Ballistics is the field calculator for the RikaNV device ecosystem for lawful sporting and hunting use. It writes rifle profiles to K-BX rangefinding binocular memory, receives data from Kestrel 5500/5700 weather meters, and includes a camera inclinometer, night-red mode, and group mode. Calculations run on a proprietary engine developed for RikaNV devices, written in C++. It calculates elevation and windage solutions from rifle and cartridge data, atmosphere, wind, look angle, and Earth rotation. Features: • precise trajectory calculation directly on the iPhone, without sending calculation inputs to a server; • solutions in MIL, MOA, clicks, and linear units; • trajectory table with velocity, energy, time of flight, Mach, and supersonic range; • rifle, cartridge, and scope profiles; • built-in bullet catalog and a personal bullet library; • single or velocity-banded ballistic coefficients; • wind, atmosphere, look angle, spin drift, and Coriolis; • manual, GPS, and compass input for latitude and azimuth; • camera viewfinder for measuring look angle; • group mode for multiple shooters; • compatible Bluetooth rangefinders and weather meters; • equipment exchange by QR code; • optional local and cloud backups; • Russian, English, Chinese, and Korean interface. The app is free and contains no ads, subscriptions, or purchases. Core calculation requires no external device or account. Results are informational. Always follow applicable law and firearm-safety rules, and verify all input data before use.