Comment by lern_too_spel

Location: https://www.apple.com/legal/privacy/data/en/location-service...

> To use features such as these, you must enable Location Services on your iPhone and give your permission to each app or website before it can receive location data from Location Services

> By enabling Location Services for your devices, you agree and consent to the transmission, collection, maintenance, processing, and use of your location data and location search queries by Apple and its partners and licensees to provide and improve location-based and road traffic-based products and services.

Android and every other consumer general purpose OS lets you read GPS coordinates from the sensor without telling anyone.

App installs: Any app installed from the App Store obviously tells Apple you installed it. Apple does certificate verification for every side-loaded app, where Apple is the CA. There is no way to install an app on iOS without telling Apple.

Android and every other consumer general purpose OS lets you install apps without telling anyone.