Frequently criticized
The pressure/altimeter sensor reportedly stays fixed around 999-1000 mbar and cannot be calibrated, with another commenter separately noting inconsistent altitude readings between units (95m vs 36m). This undermines confidence in elevation data.
Frequently criticized
A user explains that GPX routes can only be exported from the watch to the companion phone app, not imported onto the watch to navigate a planned course. They call this limitation frustrating for outdoor use.
Frequently criticized
A commenter argues the older Stratos 2 Ultra offers better battery life, GPS, and a stainless-steel submersible build, concluding the Stratos 3 Ultra isn't worth its asking price by comparison.
Generally negative
After two weeks of use, one commenter felt the watch was lacking some features and said they were waiting to see if updates would improve it before being fully convinced.
Generally negative
A commenter points out that the watch's stopwatch cannot continue running in the background, which limits its usefulness for tracking timed activities while doing other things on the device.
Generally negative
One commenter dismisses the watch as 'too small' and criticizes it for not being an Android-based 2-inch AMOLED watch, indicating the screen size and platform won't suit users wanting a larger, more capable display.
Generally negative
Despite carrying IP69K and 5ATM ratings, a commenter notes the watch lacks a swimming or diving mode, calling the water-resistance claims into question.
Generally negative
A commenter preordered the watch in August 2024 but reported it remained in processing and out of stock for an extended period, even while the retailer continued accepting preorders.