The Polaroid Lab works with these phone models:

iPhone:
iPhone 6, 6+, 6S, 6S+, 7, 7+, 8, 8+, X, XS, XR, XS Max, 11, 11 Pro and 11 Pro Max with IOS 11.4 or higher are compatible with the Polaroid Lab.
The augmented reality feature is available with iPhone 6S and newer.

iPhone 5, iPhoneSE and smaller are not compatible.

Android:
The Polaroid Lab works with most popular Android phones, such as Samsung, Google Pixel, Huawei, OnePlus, Xiaomi and LG with a screen size bigger than 4.7 inches and 326 ppi density.
The Polaroid Lab works with Android 7 and newer.

AR Compatibility:

To use the augmented reality feature, your phone must also be supported by Google. Find your phone here: https://developers.google.com/ar/discover/supported-devices

Check your phone settings to know if your phone can be used with the Polaroid Lab. The Polaroid Originals app will also notify you if your phone is not compatible.