RC Tools is a collection of utilities and tools designed specifically for R/C enthusiasts. This app offers a wide range of features, including an Ohms Law Calculator, oil mixture calculator, scale speed calculator, battery time calculator, lipo low-end voltage levels, MAC calculator, CG calculator, airplane trimming guide, lap timer/stopwatch, timer/countdown, watts performance table, glow to electric conversion, power calculator, note pad, checklists, static thrust estimator, gear/transmission/final drive ratio calculator, servo tester, unit conversion tool, flight, and battery log.

Overall, RC Tools is an excellent app that provides a comprehensive set of tools for R/C enthusiasts. It is a must-have for anyone who is serious about R/C and wants to take their hobby to the next level.