For a better value, you can often find the Poppy Playtime: Terror Toybox Bundle on the App Store, which includes the first three chapters at a bundled price. System Requirements for iOS
You cannot legally download the official Poppy Playtime Chapter 3 for free on iOS right now because it does not exist on the App Store yet. Poppy Playtime Chapter 3 Free Download Mobile Ios
The only verified source for iOS is the App Store. For a better value, you can often find