FitnessSyncer might be a bit more popular than SyncMyTracks. We know about 1 link to it since March 2021 and only 1 link to SyncMyTracks. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you are on android I have succesfully used SyncMyTracks: https://syncmytracks.com/ to import my historical activity form google fit / suunto into Garmin Connect. It does include Samsung Health as an account it will sync. Allows syncing both ways, and you can have it automated (can't remember which features require purchase - but its not expensive and the automation works very well - never have to remember to... Source: over 2 years ago
HRV syncs actually (through fitnesssyncer.com), but RHR does not. Does HRV4Training sync RHR too? Source: over 2 years ago
RunGap - Free Workout Data Manager for iOS.
UbiAttendance - UbiAttendance is one of the top-notch attendance tracking applications and software that is made easier for managers to get their day to task nimbly and effectively.
tapiriik - Automatically synchronize your fitness activities between Garmin Connect, Runkeeper, Strava and more.
Attendance Tracker - Attendance Tracker is an all-in-one online time and attendance tracking software that is making it extremely easier to manage employee’s attendance or track attendance of events with one centralized platform.
Health Sync - Health Sync is a mobile application that synchronizes your health data from multiple fitness applications, including Strava, InBody, Samsung health, Fitbit, Polar, Suunto, Oura, and many more.
Regular.li - Regular.li is a multi-platform attendance & location tracking application that can be accessed from smartphones/tablets/laptops/desktops/PCs