From the Developer
ISS Spotter makes it easy for you to spot the International Space Station (ISS). You can see the forecast of visible passes and set alarms to be on time to view the ISS. The built in compass and tools will allow you to spot the ISS easily.
> The most downloaded ISS spotting app on iOS!
> 5 star rating
> Used by astronauts and astronomers
> No ads. 100% functionality in the free version
This app requires an Iphone 3GS or better. Works on iPhone and iPad (full screen). iOS7 compatible.