This is a smart ballistic calculator. It can use G1, G7 and... custom drag-functions!
Can calculate trajectory without using ballistic coefficient!
You can select reticle from the list (834 reticles!) and see holdovers at any magnification (see list of reticles supported here http://www.borisov.mobi/StrelokPro/ios/reticles.html)
1584 bullets database
2666 cartridges database
Can calculate spin drift, Coriolis effect, gyroscopic stability factor and vertical deflection of crosswind.
iPhone 6 internal barometer support
Kestrel Drop and Kestrel 5x00 support (Will NOT work on iPhone 4, 3GS, 3G or any earlier iPAD or iPOD generation)
Supports imperial and metric units.
Supports WeatherFlow WINDmeter and WEATHERmeter
Density Altitude support
Field-proven accuracy since 2007