Decipher Activity Transfer

Decipher Activity Transfer lets you make a backup containing only Apple Watch, Activity, and Health data.

Use when switching to a new iPhone to migrate only a subset of your backup to the new device. Also great for times you want to wipe your iphone but keep your Activity and Health history. Choose to include text message and/or voicemail data in the backup as well.
What's new in this version:
Version 3 includes additional options for adding more kinds of data to your filtered backup.