The 4moms app for iOS is compatible with the following Apple devices using iOS 8 or later:

iPhone 6s iPhone 4S iPhone 6s Plus iPod Touch 5 iPhone 6 iPad Retina iPhone 6 Plus iPad Air iPhone 5s iPad Mini iPhone 5C iPad Mini Retina iPhone 5

The native Android app currently supports the following devices using Android 4.3 and up.

Samsung Galaxy S3 Moto X Samsung Galaxy S4 Droid Turbo Samsung Galaxy S5 Droid Turbo 2 Samsung Galaxy S6 Droid Maxx 2 Samsung Galaxy S7 Droid Mini Samsung Galaxy Note 3 Nexus 5 Samsung Galaxy Note 4 Nexus 5X Samsung Galaxy Note 5 Nexus 6 Galaxy Core Nexus 6P Prime Moto E LG V10 Moto E2 LG G3 Moto G LG G4 Moto G2 LG G5 Moto X2 HTC Desire 626 Moto X Play HTC One M8 HTC One M9 HTC One M10