Does move to iOS use mobile data?

The answer is YES! Move to iOS needs a WiFi to help in migrating files to an iPhone. While transferring, a private WiFi network is established by the iOS and then connects with the Android device.

Does move to iOS use Wi-Fi or data?

As its name implies, Move to iOS is designed simply to migrate data from an Android device to a new iPhone or iPad. … During the transfer process, iOS establishes a private Wi-Fi network and connects with the Android device. Entering a security code authorizes copying data and configuring apps like Mail.