Q1 GPS vs Stair Stringer Usage & Stats

Q1 GPS is a toy aircraft remote control App. The App sends data through the WiFi to the aircraft for flight control. The aircraft sends video data and GPS data to App through WiFi. App displays real-time video and accurately displays the real time position of the aircraft on the map. App added a new flight mode, Following flight mode, Flight point flight mode, Surround flight mode, so that novice controllers can experience master flight.

Apple App Store
Free
Utilities

Store Rank

- -

Stair Stringer

This App is used for finding the measurements needed to construct a Stair Stringer. It calculates stair risers and run, stair angle, stringer length, step height, tread depth, and the number of steps required for a given run of stairs. Easy to adjust parameters to customize and fit your requirements. Inputs and Results can be Imperial or Metric. The calculated results can be emailed or texted as needed.