Average score
Product 1: Polar Grit X2 Pro
3.5
Product 2: Garmin Forerunner 970
4.1
app ecosystem
Product 1: Polar Grit X2 Pro
2.0

The watch ecosystem feels limited compared with rivals, with reviewers specifically pointing to restricted customization and a thinner app offering.

Product 2: Garmin Forerunner 970
4.5

ConnectIQ is highlighted as a large marketplace for extra apps and watch faces, with many free options.

band quality
Product 1: Polar Grit X2 Pro
4.2

Band quality is good overall, with the included strap described as soft, flexible, and secure.

Product 2: Garmin Forerunner 970
4.2

The band gets a positive note for micro-adjustment-like stretch and stable wear.

battery life
Product 1: Polar Grit X2 Pro
4.0

Battery life is solid and often close to claims, but it is not class-leading and can drop faster with heavier features enabled.

Product 2: Garmin Forerunner 970
3.2

Battery life is the main hardware compromise: acceptable to good with sensible settings, but clearly worse than some Garmins or rivals when brightness and always-on display are pushed.

blood oxygen tracking
Product 1: Polar Grit X2 Pro
3.9

SpO2 is onboard and presented with baseline and altitude context, but reviews focused more on feature availability than deep validation.

Product 2: Garmin Forerunner 970
4.0

PulseOx support is present for overnight breathing-related data, and one reviewer found its overnight battery impact minimal.

Bluetooth connectivity
Product 1: Polar Grit X2 Pro
3.3

Bluetooth support is broad enough for sensors and broadcasting, but some workflows feel more finicky than they should.

Product 2: Garmin Forerunner 970
4.2

Bluetooth support is broad enough for external sensors and accessories, with no major complaints in the cited review.

brightness
Product 1: Polar Grit X2 Pro
4.7

Screen brightness is excellent, with reviewers repeatedly saying the display stayed easy to read across lighting conditions.

Product 2: Garmin Forerunner 970
4.7

Brightness is a standout upgrade and among the most frequently praised hardware changes.

build quality
Product 1: Polar Grit X2 Pro
4.7

Build quality feels impressively rugged and substantial, with one reviewer flatly describing it as built like a tank.

Product 2: Garmin Forerunner 970
4.5

The overall construction feels premium, with sapphire and titanium helping the watch feel like a true flagship.

button controls
Product 1: Polar Grit X2 Pro
4.5

The physical buttons are a plus, offering good grip and easy operation even with gloves.

Product 2: Garmin Forerunner 970
4.5

Physical buttons remain a strength, giving reliable control alongside the touchscreen.

call handling
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
3.6

On-wrist calling works and is convenient, but speaker volume or overall call quality is not universally praised.

calorie tracking usefulness
Product 1: Polar Grit X2 Pro
3.4

Calorie and fuel-use feedback is present and the energy usage breakdown was considered handy, though it is still an estimate rather than a precision tool.

Product 2: Garmin Forerunner 970
No score yet
charging convenience
Product 1: Polar Grit X2 Pro
4.2

Charging is reasonably convenient thanks to the USB-C cable setup, even if it still relies on a proprietary watch connection.

Product 2: Garmin Forerunner 970
No score yet
charging speed
Product 1: Polar Grit X2 Pro
4.1

Charging speed was seen as a plus, with quick top-ups restoring a meaningful chunk of battery in a short session.

Product 2: Garmin Forerunner 970
No score yet
coaching features
Product 1: Polar Grit X2 Pro
4.5

Coaching tools are strong, with FitSpark-style workout suggestions, fueling prompts, and broader training guidance standing out.

Product 2: Garmin Forerunner 970
4.8

Garmin Coach and triathlon planning are consistently praised for building detailed, adaptive training plans.

comfort
Product 1: Polar Grit X2 Pro
3.5

Comfort is mixed: some reviewers found it wearable and comfortable, while others said the size and strap hurt all-day comfort.

Product 2: Garmin Forerunner 970
4.7

Reviewers consistently find the watch comfortable enough for all-day wear.

companion app quality
Product 1: Polar Grit X2 Pro
2.3

Polar Flow offers lots of data, but the companion app experience was repeatedly described as dated, buggy, and cumbersome.

Product 2: Garmin Forerunner 970
3.3

Garmin Connect is described as comprehensive, but not consistently elegant, with one reviewer criticizing layout while another praises data presentation.

contactless payments
Product 1: Polar Grit X2 Pro
1.0

The watch lacks built-in NFC payments, which reviewers repeatedly flagged as a missing premium feature.

Product 2: Garmin Forerunner 970
4.3

Garmin Pay is available and described as easy or useful where banks are supported.

cross-platform compatibility
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
3.8

Compatibility across Apple and Android phones is present, but capabilities differ and iOS remains more limited.

customization options
Product 1: Polar Grit X2 Pro
3.9

There is useful customization for sport profiles, data pages, and watch faces, even if the platform is not endlessly flexible.

Product 2: Garmin Forerunner 970
4.8

Customization is extensive, from sport-profile behavior to data fields and watch-face choices.

display quality
Product 1: Polar Grit X2 Pro
4.5

Display quality is a strong point, with reviewers praising the AMOLED panel for clarity, punch, and overall visual appeal.

Product 2: Garmin Forerunner 970
4.8

The AMOLED display is repeatedly praised for looking bright, sharp, and premium.

durability
Product 1: Polar Grit X2 Pro
4.7

Durability is a major strength, backed by MIL-STD-style construction and repeated praise for the watch's ruggedness.

Product 2: Garmin Forerunner 970
4.6

Sapphire protection and tougher materials are repeatedly credited with improving scratch resistance and day-to-day durability.

ECG functionality
Product 1: Polar Grit X2 Pro
4.0

The watch offers non-medical ECG checks that reviewers found useful for intentional HRV-style spot checks rather than medical screening.

Product 2: Garmin Forerunner 970
4.3

The watch adds manual ECG support and reviewers consistently present it as a meaningful upgrade, though one notes it is still a manual snapshot tool rather than continuous monitoring.

fit
Product 1: Polar Grit X2 Pro
3.1

Fit is more polarizing on smaller wrists because the 48 mm case size makes the watch wear noticeably large.

Product 2: Garmin Forerunner 970
4.5

Despite the 47 mm case, multiple reviewers say the watch sits well and feels manageable on the wrist.

fitness tracking accuracy
Product 1: Polar Grit X2 Pro
4.1

Broad fitness tracking was viewed positively thanks to consistent GPS and heart-rate performance in many sessions, though it was not flawless across all scenarios.

Product 2: Garmin Forerunner 970
4.2

In multisport and gym use, one reviewer says the watch tracked indoor training sessions reliably.

GPS accuracy
Product 1: Polar Grit X2 Pro
4.2

GPS accuracy was one of the stronger areas, with several reviewers reporting solid routes, small variance, and accurate maps, though not every test was perfect.

Product 2: Garmin Forerunner 970
4.7

GPS performance is one of the clearest strengths, with multiple reviewers calling it impeccable, highly accurate, or spot-on across varied conditions.

health tracking accuracy
Product 1: Polar Grit X2 Pro
4.1

Health tracking impressions were generally positive, with one review calling the sleep features quite good and useful for nightly energy feedback.

Product 2: Garmin Forerunner 970
No score yet
heart rate accuracy
Product 1: Polar Grit X2 Pro
4.1

Heart rate performance was good overall and often close to chest straps, but multiple reviewers still saw occasional spikes, misses, or mixed interval results.

Product 2: Garmin Forerunner 970
4.6

Across runs and workouts, reviewers repeatedly describe optical heart rate as close to chest straps and generally reliable.

LTE connectivity
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
1.5

The watch lacks built-in cellular and still depends on a nearby phone for calls or assistant functions.

materials quality
Product 1: Polar Grit X2 Pro
4.6

Materials feel premium, with sapphire protection and rugged hardware choices reinforcing the flagship positioning.

Product 2: Garmin Forerunner 970
4.2

Materials are premium for the category, especially the titanium bezel and sapphire protection, even if the body remains polymer.

menu navigation
Product 1: Polar Grit X2 Pro
3.3

Menus are usable once learned, but the navigation flow still takes some getting used to.

Product 2: Garmin Forerunner 970
4.5

Voice tools and interface choices can reduce menu digging, making common actions quicker.

music controls
Product 1: Polar Grit X2 Pro
3.6

Phone media controls are available and useful for basic playback control, but the experience does not go beyond that.

Product 2: Garmin Forerunner 970
No score yet
onboard music storage
Product 1: Polar Grit X2 Pro
1.0

There is no onboard music storage or playback, leaving users dependent on phone-based audio.

Product 2: Garmin Forerunner 970
4.5

Offline music storage is a clear strength, with support for downloaded playlists and ample storage.

operating system experience
Product 1: Polar Grit X2 Pro
2.8

The core software experience works, but it was described as dated rather than meaningfully refreshed.

Product 2: Garmin Forerunner 970
4.3

Garmin's software experience is generally praised as polished and strong, with reviewers describing it as among the best in sports watches.

outdoor visibility
Product 1: Polar Grit X2 Pro
4.6

Outdoor visibility is very good, with the bright AMOLED screen remaining readable outside and on maps.

Product 2: Garmin Forerunner 970
4.5

The screen remains easy to read outdoors, including in bright sunlight.

pairing reliability
Product 1: Polar Grit X2 Pro
2.6

Pairing and syncing are a recurring frustration, with reviewers mentioning re-pairing hassles and regular phone reconnection issues.

Product 2: Garmin Forerunner 970
3.6

Pairing is mostly stable once connected, but one reviewer noted setup friction with the app.

recovery insights
Product 1: Polar Grit X2 Pro
4.6

Recovery guidance is a strong point, with daily workout suggestions and recovery-linked ideas repeatedly called out as useful.

Product 2: Garmin Forerunner 970
4.5

Recovery tools such as Training Readiness, Acute Impact Load, and Running Tolerance are widely described as genuinely useful for judging load and avoiding overtraining.

reliability
Product 1: Polar Grit X2 Pro
3.8

Operational reliability was generally good, with at least one long-term reviewer saying it recorded every workout without crashing.

Product 2: Garmin Forerunner 970
2.3

A few reviewers encountered crashes or notable bugs, especially around routing or call-related features.

safety features
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
4.5

Safety tools like incident detection, emergency alerts, and location sharing are a meaningful plus.

size options
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
2.0

Only one case size is available, which limits choice for smaller wrists.

sleep tracking accuracy
Product 1: Polar Grit X2 Pro
4.1

Sleep timing was reported as reliable, with one long-term reviewer saying fall-asleep and wake-up detection worked the majority of the time.

Product 2: Garmin Forerunner 970
4.1

Sleep timing and general sleep scoring were viewed as good to very good, though one review notes Garmin is less reliable on sleep quality details than Oura.

smartphone notifications
Product 1: Polar Grit X2 Pro
2.5

Phone notifications work for viewing and dismissal, but the experience is basic because replies and actions are missing.

Product 2: Garmin Forerunner 970
4.2

Notifications are well supported, with alerts, calendar items, and message visibility noted positively.

smartwatch features
Product 1: Polar Grit X2 Pro
2.2

Smartwatch features trail the competition, offering the basics but lacking the breadth expected at this price.

Product 2: Garmin Forerunner 970
4.3

Smart features such as calls, voice commands, music, notifications, reports, and payments are broader than typical sports watches, though still short of full smartwatch ecosystems.

software smoothness
Product 1: Polar Grit X2 Pro
4.0

Performance is generally smooth and snappy thanks to the faster processor, with only occasional caveats around other software rough edges.

Product 2: Garmin Forerunner 970
2.8

Lag when saving activities, loading screens, or moving around maps is a recurring complaint.

step counting accuracy
Product 1: Polar Grit X2 Pro
1.3

Step counting was a clear weak point, with reports of inflated totals and non-step activities being converted into steps too aggressively.

Product 2: Garmin Forerunner 970
No score yet
stress tracking
Product 1: Polar Grit X2 Pro
3.4

Stress-related wellness tools exist, but the dedicated Serene breathing coach was described as simple rather than especially advanced.

Product 2: Garmin Forerunner 970
4.8

One reviewer specifically praised stress tracking for catching a severe migraine and adjusting training recommendations accordingly.

style and design
Product 1: Polar Grit X2 Pro
4.6

Design is one of the watch's biggest positives, combining rugged hardware with a premium look that several reviewers really liked.

Product 2: Garmin Forerunner 970
4.3

The design is broadly viewed as sleek, sporty, and attractive, though one reviewer still sees it as a large performance-first watch.

third-party app support
Product 1: Polar Grit X2 Pro
2.7

Third-party support is mixed: routing and exports to services like Strava and Komoot are helpful, but missing TrainingPeaks workout support remains a notable gap.

Product 2: Garmin Forerunner 970
4.4

Support for services and ecosystems such as Strava, Apple Health, and ConnectIQ add-ons is a notable plus.

touchscreen responsiveness
Product 1: Polar Grit X2 Pro
4.3

Touch interaction was described as predictably responsive, with swipes and taps generally behaving well.

Product 2: Garmin Forerunner 970
3.9

Touch interaction is mostly responsive and easy to use, though some reviewers mention sensitivity quirks.

user interface
Product 1: Polar Grit X2 Pro
2.4

The user interface was widely criticized as clunky and less fluid than similarly priced rivals.

Product 2: Garmin Forerunner 970
3.9

The interface is feature-rich and generally easy to use, but some reviewers still find it click-heavy or overwhelming in places.

value for money
Product 1: Polar Grit X2 Pro
1.8

Value for money is the biggest weakness, as multiple reviewers felt the watch asked premium money without matching rival feature depth.

Product 2: Garmin Forerunner 970
3.3

Value is mixed: several reviewers say the watch earns its premium performance position, while others argue the price and extras make it harder to justify.

voice assistant quality
Product 1: Polar Grit X2 Pro
No score yet
Product 2: Garmin Forerunner 970
4.1

Voice tools are generally described as useful and workable, especially for quick commands, though they are not positioned as class-leading smart assistant replacements.

watch face quality
Product 1: Polar Grit X2 Pro
3.6

The stock watch faces are decent and lightly customizable, but the selection does not feel especially deep.

Product 2: Garmin Forerunner 970
4.5

Watch-face choice is a strength, with many downloadable and customizable options.

water resistance
Product 1: Polar Grit X2 Pro
4.6

Water protection is strong, with reviewers calling out the 100-meter rating as a meaningful upgrade for swim and water use.

Product 2: Garmin Forerunner 970
4.2

The 5ATM/50m rating is sufficient for swimming and general sport use, but it is not positioned as a dive watch.

wellness insights
Product 1: Polar Grit X2 Pro
4.3

Wellness features are rich, especially around sleep and recovery, with SleepWise-style data and other overnight insights highlighted as useful.

Product 2: Garmin Forerunner 970
4.3

Morning and Evening Reports, sleep guidance, training previews, and broader daily insights are repeatedly described as useful and informative.

Wi-Fi connectivity
Product 1: Polar Grit X2 Pro
1.0

The watch has no Wi-Fi, which makes map management more cumbersome because downloads require a wired computer transfer.

Product 2: Garmin Forerunner 970
No score yet
workout tracking variety
Product 1: Polar Grit X2 Pro
4.6

Workout coverage is extensive, with more than 150 sport profiles and support for everything from trail sports to niche activities like baseball.

Product 2: Garmin Forerunner 970
4.5

Reviewers describe a massive activity list, with new sport profiles and broad support for running, swimming, cycling, gym work, and more.