Apple’s strict privacy policies restrict third-party apps from interacting directly with the native phone app in the same way they do on Android. However, Truecaller for iOS utilizes specialized Apple developer frameworks to deliver high-quality spam filtering and identification. Steps to Download on iPhone: Open the on your iPhone. Tap the Search icon in the bottom right corner. Type Truecaller into the search bar and press search. Locate the official Truecaller app and tap the Get button.