The software require Dropbox in order to sync on all devices. To do this, make sure the same Apple and Dropbox accounts are added to both devices. Additionally, connect to Dropbox and give permissions to SBSH SafeWallet to access the cloud storage. Afterwards, sync the data on one device to the cloud, then switch to the other device and retrieve the data. This is the process of having the same data on multiple devices where the software is available for installation.