Great swim tracking performance ; Useful SwimStraight mode ; Improving Headcoach coaching mode

Some features rolling back to first gen goggles ; Some features require premium subscription ; The jump in price

The Form Smart Swim 2 are the best swim tracking smart goggles right now, but if you can live without a built-in heart rate monitor, the original will give you plenty of that great experience for less.

Industry-leading swimming analysis ; Able to track all swimming data rather than using a watch ; HeadCoach helps you become a better swimmer

Narrow field of vision ; AR screen can be distracting ; Requires additional monthly subscription to get the most out of them

The Form Smart Swim 2 is a welcome upgrade to its pioneering predecessor, and the addition of a built-in, temple-based heart rate monitor helps it rival smartwatches when it comes to tracking swims. Its narrow field of vision, occasionally distracting...

Built-in heart rate monitor ; Excellent comfort & fit ; Real-time feedback ; Intuitive app interface ; Variety of workout modes

Some advanced features require premium subscription ; Slightly narrowed field of vision ; Not ideal for beginners

Great visibility and comfort ; Accurate tracking and easy to navigate ; Comprehensive app platform

Heart rate not always visible ; Charges via USB-A ; Monthly subscription required for additional metrics

The FORM Smart Swim 2 are both a great pair of goggles and a fully-featured underwater fitness tracker backed by an excellent app and metrics-based platform. It's only let down by a slightly erratic heart-rate sensor and an outdated charging method.