Best 2024 Smartwatches for fitness tracking accuracy

#1 Garmin Forerunner 165
4.8

Fitness tracking accuracy was praised for broad data quality and even strength-training rep counting in testing.

Pros: value for money, GPS accuracy

Cons: recovery insights, onboard music storage

#2 Garmin Lily 2 Active
4.7

Fitness tracking accuracy is a major strength, with multiple reviewers finding pace, distance, and overall workout data accurate.

Pros: battery life, GPS accuracy

Cons: onboard music storage, mapping and navigation

#3 Apple Watch Ultra 2
4.7

Fitness tracking accuracy was praised, especially for workout pulse, path snapping, GPS syncing, and broad activity tracking.

Pros: battery life, voice assistant quality

Cons: value for money, mapping and navigation

#4 Garmin Fenix 8
4.7

Fitness tracking accuracy was praised as among the best available, with strong activity, movement, and output tracking across reviewers.

Pros: battery life, GPS accuracy

Cons: value for money, call handling

#5 Apple Watch Series 10
4.6

Workout and fitness tracking accuracy was praised in cardio, structured workout, and general fitness/sleep contexts.

Pros: charging speed, display quality

Cons: battery life, water resistance

#6 Garmin Enduro 3
4.5

Fitness tracking was broadly viewed as accurate and dependable across real workouts, runs, hikes, and multisport use.

Pros: battery life, value for money

Cons: smartwatch features, size options

#7 Coros Pace Pro
4.3

Fitness tracking accuracy was strong for runs, GPS-based workouts, and general use, though strength training and some harder sensor scenarios were less reliable.

Pros: battery life, GPS accuracy

Cons: heart rate accuracy, smartwatch features

#8 Garmin Lily 2
4.3

Core activity tracking is generally praised as accurate for casual exercise, though unsupported sports can reduce accuracy.

Pros: battery life, style and design

Cons: sleep tracking accuracy, workout tracking variety

#9 Google Pixel Watch 3
4.2

Exercise tracking was mostly praised for accurate workout, calorie, heart-rate, and activity results, but a few reviews criticized calorie math, data export limits, or workout-mode behavior.

Pros: battery life, display quality

Cons: GPS accuracy, charging convenience

#10 Ticwatch Pro 5 Enduro
4.1

Fitness tracking accuracy ranged from strong to merely acceptable, with some reviewers praising workout results and others finding gym metrics weak.

Pros: battery life, value for money

Cons: operating system experience, voice assistant quality

#11 Polar Vantage M3
4.1

Overall fitness tracking is generally strong, especially around GPS-led workouts, though one reviewer wanted better performance in demanding test snapshots.

Pros: value for money, GPS accuracy

Cons: heart rate accuracy, companion app quality

#12 Samsung Galaxy Watch FE
4.0

Fitness tracking accuracy was generally strong across running, heart rate, distance, GPS, and broad workout use, with some small limitations noted.

Pros: smartwatch features, health tracking accuracy

Cons: value for money, software smoothness

#13 Fitbit Ace LTE
4.0

A reviewer treated very high child step totals as believable given actual activity, supporting a positive but limited read on fitness tracking accuracy.

Pros: coaching features, value for money

Cons: battery life

#14 Xiaomi Redmi 5 Active
4.0

Fitness tracking accuracy was praised in one review for the accelerometer-backed ability to track activity accurately.

Pros: call handling, smartwatch features

Cons: display quality, value for money

#15 Samsung Galaxy Watch 7
4.0

Fitness accuracy is mostly praised for general tracking, but serious fitness reviewers warned that GPS errors and sport-specific limitations can matter.

Pros: value for money, wellness insights

Cons: battery life, cross-platform compatibility

#16 Samsung Galaxy Watch Ultra (2024)
3.9

Fitness tracking accuracy was mostly positive but not flawless, with reviewers finding valid or strong data while also flagging average or sport-specific weaknesses.

Pros: battery life, sleep tracking accuracy

Cons: wellness insights, style and design

#17 OnePlus Watch 2R
3.8

Fitness tracking was generally capable for casual workouts, with improved GPS and heart-rate results, but some reviewers still found accuracy limits.

Pros: battery life, value for money

Cons: companion app quality, charging convenience

#18 Xiaomi Redmi Watch 5
3.7

Fitness tracking accuracy is mixed: some casual and heart-rate workout results impressed reviewers, while others found it basic or not ideal for serious tracking.

Pros: battery life, display quality

Cons: smartphone notifications, sleep tracking accuracy

#19 Ticwatch Atlas
3.6

Fitness tracking accuracy is mixed, ranging from strong everyday results to concerns about GPS and heart-rate accuracy for serious training.

Pros: battery life, display quality

Cons: operating system experience, voice assistant quality

#20 Polar Grit X2 Pro
3.5

Overall fitness tracking was adequate to good, with one scientific review describing broad agreement but not class-leading precision.

Pros: GPS accuracy, mapping and navigation

Cons: value for money, companion app quality

#21 Xiaomi Redmi Watch 5 Lite
3.5

Fitness tracking was good for casual use and standard workouts, but not positioned as highly precise for demanding athletes.

Pros: display quality, battery life

Cons: sleep tracking accuracy, voice assistant quality

#22 CMF Watch Pro 2
3.4

Fitness tracking accuracy was polarized: some workouts looked reasonable or matched other trackers, while others found the watch unsuitable as a dedicated tracker.

Pros: value for money, battery life

Cons: GPS accuracy, sleep tracking accuracy

#23 Suunto Race S
3.3

General fitness tracking was praised for workout capture in one review, but another scientific test found the accuracy only middling versus better devices.

Pros: value for money, battery life

Cons: heart rate accuracy, onboard music storage

#24 Amazfit T-Rex 3
3.3

Fitness tracking accuracy was mixed: basic GPS workouts were strong, while strength reps, elevation, and some advanced metrics had issues.

Pros: value for money, mapping and navigation

Cons: heart rate accuracy, recovery insights

#25 Xiaomi Watch 2
3.1

Fitness tracking accuracy was mixed: basic tracking worked well for some reviewers, but others found workout data rudimentary or inconsistent in accuracy and usefulness.

Pros: value for money, smartphone notifications

Cons: battery life, operating system experience