I no longer own a computer and do everything online with an Apple iPad. Are there any recommended flight simulator apps for an iPad?

I have 3 apps that I use periodically. I got them primarily for orientation training with the plane flying towards you. They worked for me.

1. Electric RC Sim Lite
2. Absolute RC Plane Sim
3. RC-Airsim Lite

Number 3 will take you behind obstacles where you lose sight of the plane.

Thanks very much. I downloaded each and they all work for me.