Best 2025 Smartwatches for third-party app support

#1 Apple Watch SE 3
4.8

Third-party app support was praised for extending the native experience, with reviewers highlighting Apple’s App Store depth and useful fitness apps.

Pros: app ecosystem, operating system experience

Cons: cross-platform compatibility, ECG functionality

#2 Apple Watch Series 11
4.8

Third-party app support is a clear strength, especially for sports and customization apps such as WorkOutDoors.

Pros: ECG functionality, app ecosystem

Cons: cross-platform compatibility, recovery insights

#3 Samsung Galaxy Watch 8
4.8

Third-party app support was praised strongly, with one reviewer saying the watch supports every major smartwatch app they wanted.

Pros: third-party app support, heart rate accuracy

Cons: music controls, cross-platform compatibility

#4 Garmin Tactix 8
4.8

Third-party app support was positively noted for easy route loading and AllTrails-connected navigation support.

Pros: wellness insights, build quality

Cons: LTE connectivity, band quality

#5 Apple Watch Ultra 3
4.7

Third-party app support was a major advantage, especially for runners using apps such as WorkOutDoors, Strava, and other services.

Pros: app ecosystem, watch face quality

Cons: cross-platform compatibility, size options

#6 Google Pixel Watch 4
4.5

Third-party app support was strong, with reviewers saying major apps and options were present.

Pros: step counting accuracy, charging speed

Cons: stress tracking, band quality

#7 Samsung Galaxy Watch Ultra (2025)
4.5

Third-party app support benefits from extra storage and useful fitness/media apps, giving users more room for services beyond Samsung’s own tools.

Pros: LTE connectivity, pairing reliability

Cons: antioxidant index, blood oxygen tracking

#8 OnePlus Watch 3
4.3

Third-party app support was strong through Play Store access and Google services, though individual apps could still have quirks.

Pros: blood oxygen tracking, step counting accuracy

Cons: LTE connectivity, calorie tracking usefulness

#9 Suunto Vertical 2
4.3

Third-party app support was positive where discussed, especially clean syncing with Strava, TrainingPeaks, and health-app workflows.

Pros: operating system experience, materials quality

Cons: contactless payments, onboard music storage

#10 Garmin Forerunner 970
4.2

Third-party app support was useful for watch faces, data fields, and niche apps, though reviewers did not equate it with a full smartwatch app store.

Pros: stress tracking, customization options

Cons: menu navigation, companion app quality

#11 Garmin Instinct 3
3.8

Third-party app support is present and somewhat useful through Connect IQ, but the evidence is limited and not central to the watch’s appeal.

Pros: customization options, charging speed

Cons: onboard music storage, voice assistant quality

#12 Suunto Race 2
3.8

Third-party app support was mixed: SuuntoPlus integrations impressed one reviewer, while another found the two-app limit restrictive.

Pros: operating system experience, brightness

Cons: safety features, health tracking accuracy

#13 Garmin Forerunner 570
3.3

Third-party app support was useful but limited: Connect IQ adds apps and data fields, but trails watchOS and Wear OS.

Pros: charging speed, GPS accuracy

Cons: ECG functionality, smartphone notifications

#14 Amazfit T-Rex 3 Pro
3.0

Third-party app support is mixed: syncing with services like Strava can work smoothly, but reviewers still criticize the lack of major on-watch apps.

Pros: workout tracking variety, calorie tracking usefulness

Cons: LTE connectivity, ECG functionality

#15 Garmin Venu 4
3.0

Third-party app support was useful enough to boost the smartwatch side for one reviewer, but another stressed that the watch still lacks the extra apps found on fuller smartwatch platforms.

Pros: activity auto-detection, style and design

Cons: LTE connectivity, charging convenience

#16 Garmin fenix 8 Pro
3.0

Third-party app support was treated as a limitation compared with the Apple Watch ecosystem, especially the App Store.

Pros: workout tracking variety, pairing reliability

Cons: size options, companion app quality

#17 Amazfit Balance 2
2.7

Third-party app support was the most repeated smartwatch limitation, especially around missing Spotify, limited app selection, and weaker ecosystem depth.

Pros: Bluetooth connectivity, calorie tracking usefulness

Cons: ECG functionality, flashlight usefulness

#18 CMF Watch 3 Pro
2.5

Third-party app support was weak because there is no true app store or direct third-party app access, though one reviewer liked the distraction-free limitation.

Pros: workout tracking variety, user interface

Cons: Wi-Fi connectivity, onboard music storage

#19 Suunto Run
2.4

Third-party app support was a recurring limitation, especially the lack of SuuntoPlus apps, TrainingPeaks workout import paths, and broader app-store support.

Pros: comfort, value for money

Cons: contactless payments, Wi-Fi connectivity

#20 Amazfit Bip 6
2.4

Third-party app support was limited overall, with missing Spotify and sparse app-store options offset by some fitness-platform syncing.

Pros: value for money, battery life

Cons: contactless payments, stress tracking

#21 Garmin Venu X1
2.4

Third-party app support was a recurring weakness, with reviewers saying Garmin lacks Apple, Google, or Wear OS-style app depth.

Pros: pairing reliability, watch face quality

Cons: ECG functionality, LTE connectivity

#22 Amazfit Active 2
2.4

Third-party app support exists but reviewers repeatedly described the selection as limited or lacking versus fuller smartwatch platforms.

Pros: pairing reliability, value for money

Cons: stress tracking, onboard music storage

#23 Amazfit Active Max
2.3

Third-party app support was a recurring limitation, with reviewers noting limited support and missing big-name integrations.

Pros: workout tracking variety, outdoor visibility

Cons: calorie tracking usefulness, safety features

#24 Garmin Vivoactive 6
2.2

Third-party app support is one of the most consistent weaknesses, with several reviewers saying Garmin lacks the breadth of Apple or Wear OS apps.

Pros: software smoothness, comfort

Cons: LTE connectivity, voice assistant quality

#25 Coros Apex 4
2.0

Third-party app support is weak, with reviewers calling out missing Garmin-style ecosystem features and limited integrations.

Pros: reliability, battery life

Cons: LTE connectivity, flashlight usefulness

#26 Motorola Moto Watch Fit
1.9

Third-party app support was weak, with multiple reviewers noting missing app downloads or a small app selection.

Pros: software smoothness, menu navigation

Cons: contactless payments, stress tracking

#27 Coros Pace 4
1.5

Third-party app support was a clear limitation, with reviewers flagging the lack of app expansion versus smarter watches.

Pros: comfort, value for money

Cons: third-party app support, contactless payments