While you cannot download it natively yet, you have two excellent options to play Chapter 3 on your iOS device right now.
Poppy Playtime Chapter 3. ... $4.99. ... Designed for iPad. Not verified for macOS. Poppy Playtime Chapter 3 - App Store Poppy Playtime Chapter 3 Free Download Mobile Ios
Check out this full mobile gameplay walkthrough to see the performance and graphics on iOS: While you cannot download it natively yet, you
: Designed to steal personal information or login credentials. Poppy Playtime Chapter 3 Free Download Mobile Ios
Poppy Playtime Chapter 3 Mobile: Can You Download It for Free on iOS?
You cannot sideload a game that hasn't been built for mobile yet.