Hey there!
We do support retrieving health and fitness data from both Apple Health and Samsung via our Mobile SDKs. Using one of our cross platform sdk solutions, either Flutter or React-native, you can build a cross-platform app for both platforms, our sdk will determine the type of device (iOS or Samsung) and retrieve the appropriate data.
I am unsure what you mean by syncing Samsung Health data with Apple Health, could you clarify further? If a user has a Samsung device and an Apple device, you can consolidate both users by providing a reference_id with authenticating them - this way you will be able to determine that two devices belong to the same user.
