Tracking and training
Heart rate accuracy
Garmin Forerunner 255
4.6
Heart-rate accuracy drew broad praise across runs, rides, and workouts, with reviewers often finding it close to chest straps while still noting optical-sensor caveats.
Garmin Approach S44No score yet
Sleep tracking accuracy
Garmin Forerunner 255
4.2
Sleep tracking was generally considered improved and useful, with several reviewers saying sleep times matched reference devices, though some still saw overestimation or limits.
Garmin Approach S44No score yet
Recovery insights
Garmin Forerunner 255
4.1
Recovery insights were praised for HRV, Body Battery, and training context, but several reviewers wanted Training Readiness or found the data less user-friendly.
Garmin Approach S44No score yet
Blood oxygen tracking
Garmin Forerunner 255
3.2
Pulse Ox was mixed: one reviewer said still readings can be good, while another warned watch-based SpO2 was not consistent enough to rely on.
Garmin Approach S44No score yet
Health tracking accuracy
Garmin Forerunner 255
3.6
Health tracking was viewed as useful when it built an accurate day-to-day picture, but one reviewer flagged stair detection as clearly wrong.
Garmin Approach S44No score yet
Score tracking
Garmin Forerunner 255No score yet
Garmin Approach S44
4.7
Reviewers praised the S44's scorekeeping and round-tracking touches, including score prompts and Autoshot-assisted scorecards, as useful and well executed.
Stress tracking
Garmin Forerunner 255
2.3
Stress tracking was weakly received in the available opinionated evidence, with one reviewer saying the data did not feel interesting or useful.
Garmin Approach S44No score yet
Controls and connectivity
Bluetooth connectivity
Garmin Forerunner 255
4.6
Bluetooth and sensor connectivity had limited but positive opinionated support from one reviewer who had no problem connecting external devices.
Garmin Approach S44No score yet
Review contexts may differ, so use caution when interpreting the score gap.
Contactless payments
Garmin Forerunner 255
3.6
Garmin Pay was useful when supported, but bank compatibility made the contactless payment experience inconsistent.
Garmin Approach S44No score yet
Onboard music storage
Garmin Forerunner 255
4.2
Onboard music was generally liked for phone-free use and Spotify playback, though one reviewer found the storage allowance limiting.
Garmin Approach S44No score yet
Third-party app support
Garmin Forerunner 255
4.5
Third-party app support was praised in one walkthrough for the availability of free apps, glances, watch faces, and music apps.
Garmin Approach S44No score yet
Review contexts may differ, so use caution when interpreting the score gap.
Touchscreen responsiveness
Garmin Forerunner 255No score yet
Garmin Approach S44
4.7
The touchscreen was described as responsive and simple, supporting quick taps and swipes without frustrating the reviewer.
Battery and charging
Charging speed
Garmin Forerunner 255
4.5
Charging speed was positively supported, from full charging in a couple of hours to 50% in under half an hour.
Garmin Approach S44No score yet
Other features
Data privacy
Garmin Forerunner 255
4.3
Data privacy had limited positive support from a walkthrough praising notification privacy mode.
Garmin Approach S44No score yet
Comfort and build
Water resistance
Garmin Forerunner 255
4.3
Water resistance had limited positive support from swim and 5ATM comments indicating issue-free water use.
Garmin Approach S44No score yet