Best 2024 Activity & Fitness Trackers for workout tracking accuracy

#1 Xiaomi Smart Band 9 Pro
3.9

Workout tracking was strong for casual use and basic accountability, but several reviews said it was not a serious replacement for dedicated sports watches.

Pros: workout mode variety, durability

Cons: activity reminders, calorie tracking usefulness

#2 Xiaomi Smart Band 9
3.8

Workout tracking was generally good for casual exercise and easier sessions, but reviewers cautioned that serious training and weightlifting exposed accuracy limits.

Pros: subscription value, cadence tracking

Cons: fit, GPS accuracy

#3 Renpho LYNX Smart Ring
3.1

Workout tracking accuracy was mixed, with runs described as workable by one reviewer but HIIT, distance, calories, and syncing raising concerns in other tests.

Pros: activity reminders, charging speed

Cons: swimming tracking, workout mode variety

#4 Amazfit Helio Ring
2.9

Workout tracking accuracy was mixed to weak overall, with good results in some running or supported-workout tests but significant gaps, dropouts, and limited exercise support.

Pros: distance tracking accuracy, pairing reliability

Cons: automatic workout detection, activity reminders

#5 Samsung Galaxy Ring
2.8

Workout tracking accuracy was the biggest divide: it worked for basic movement or heart-rate checks in some cases but failed serious gym, cycling, and broader fitness needs.

Pros: weight, charging convenience

Cons: sleep apnea monitoring, calorie tracking usefulness

#6 Oura Ring 4
2.7

Workout tracking remained the biggest weak area: acceptable for light wellness tracking, but limited or inaccurate for serious training.

Pros: GPS accuracy, swimming tracking

Cons: alarm function, calorie tracking usefulness

#7 RingConn Gen 2
2.6

Workout tracking accuracy was the clearest weakness, especially for serious exercise; reviewers found it limited, spotty with movement, or poor for training data.

Pros: subscription value, weight

Cons: Strava compatibility, third-party app compatibility

#8 Xiaomi Smart Band 9 Active
2.2

Workout tracking accuracy leaned negative: indoor rowing looked acceptable, but outdoor and general workout metrics were repeatedly off.

Pros: alarm function, data syncing reliability

Cons: connected GPS reliability, GPS accuracy