Please make sure that your iOS device is running iOS version 11 or newer. You can check that in the phone's settings -> general -> About -> Version. The Chipolo only works with iOS devices running iOS version 10 or newer and Bluetooth 4.0 built-in.
If you are trying to download our App on the iPad, please make sure to search under iPhone (mobile) applications.
Please read the officially supported device list to make sure your device is compatible.