Compare Apple Watch SE 3 vs Polar Grit X Pro

Apple Watch SE 3
Polar Grit X Pro

Quick verdict

What each product is best for

Choose Apple Watch SE 3 for software smoothness and contactless payments.

Choose Polar Grit X Pro for fit and style and design.

Comparison Takeaways

Apple Watch SE 3

Where It Has the Edge

  • software smoothness is 4.9 vs 1.2. Software smoothness was one of the most consistent strengths, with reviewers praising the S10 chip for snappy menus,...
  • contactless payments is 4.5 vs 1.0. Apple Pay was positively mentioned as part of the compelling smartwatch feature set and deep Apple ecosystem integration.
  • touchscreen responsiveness is 5.0 vs 1.7. Touchscreen responsiveness had limited but very positive evidence, with PCMag saying the watch responded promptly and consistently.
  • third-party app support is 4.8 vs 2.3. Third-party app support was praised for extending the native experience, with reviewers highlighting Apple’s App Store depth and...

Polar Grit X Pro

Where It Has the Edge

  • fit is 4.5 vs 3.0. Fit was praised through both strap sizing and real-world wear, with reviewers describing a snug fit and a...
  • style and design is 4.5 vs 3.1. Style and design were clear strengths, with reviewers calling it nice-looking, watch-like, and among the best-looking fitness trackers.
  • charging convenience is 4.0 vs 2.8. Charging convenience was positive for the magnetic, unclogged charger, though one reviewer noted only a cable is supplied.
  • durability is 4.6 vs 3.5. Durability was strongly praised, with sapphire glass, rugged construction, and scratch resistance repeatedly framed as outdoor-watch strengths.
Average score
Apple Watch SE 3
3.8
Polar Grit X Pro
3.6
software smoothness
Apple Watch SE 3
4.9

Software smoothness was one of the most consistent strengths, with reviewers praising the S10 chip for snappy menus, fast apps, and fluid navigation.

Polar Grit X Pro
1.2

Software smoothness was one of the clearest weaknesses, with reviewers calling out laggy button responses, slow processor behavior, and frustrating delays.

contactless payments
Apple Watch SE 3
4.5

Apple Pay was positively mentioned as part of the compelling smartwatch feature set and deep Apple ecosystem integration.

Polar Grit X Pro
1.0

Contactless payments scored poorly because reviewers treated the lack of payments as part of the watch’s limited smartwatch experience.

touchscreen responsiveness
Apple Watch SE 3
5.0

Touchscreen responsiveness had limited but very positive evidence, with PCMag saying the watch responded promptly and consistently.

Polar Grit X Pro
1.7

Touchscreen responsiveness was consistently criticized as slow, unreliable, or unnecessary, making it one of the watch’s weakest areas.

third-party app support
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.

Polar Grit X Pro
2.3

Third-party app support was limited; reviewers noted missing Strava Routes, no broad third-party apps, and mostly fitness-focused integrations.

menu navigation
Apple Watch SE 3
4.5

Menu navigation evidence was limited but positive, with one reviewer describing the basic home-screen and control flow as simple.

Polar Grit X Pro
2.2

Menu navigation was mixed to poor, with reviewers finding screen switching slow or the data-heavy interface baffling despite some workable controls.

value for money
Apple Watch SE 3
4.9

Value for money was the strongest consensus attribute, with reviewers repeatedly calling the SE 3 a standout bargain or best-value Apple Watch.

Polar Grit X Pro
2.8

Value for money was mixed to negative: reviewers liked it on sale or for durability, but often found the $500-plus feature set hard to justify.

app ecosystem
Apple Watch SE 3
5.0

The app ecosystem was one of the SE 3’s strongest advantages, repeatedly described as unmatched or far richer than competing budget watches.

Polar Grit X Pro
3.0

The app ecosystem was mixed, with Komoot route integration useful but described as clunky by one reviewer.

operating system experience
Apple Watch SE 3
5.0

watchOS experience received very strong marks for polish, smoothness, and making the SE 3 feel similar to pricier Apple Watches.

Polar Grit X Pro
3.0

The operating system experience was acceptable for sports basics but clearly scaled back compared with fuller smartwatch platforms.

display quality
Apple Watch SE 3
4.5

Display quality was a major upgrade thanks to always-on functionality, though reviewers still noted smaller bezels and lower specs than Series models.

Polar Grit X Pro
2.6

Display quality was mixed to weak, with good outdoor-oriented MIP strengths offset by dull indoor color and one severe contrast complaint.

user interface
Apple Watch SE 3
4.5

The user interface was praised as easy, cohesive, and fluid, with gestures and Smart Stack improving quick interactions.

Polar Grit X Pro
2.7

The user interface split reviewers: one found navigation easy, while others said slow loading and data density made features harder to use.

smartwatch features
Apple Watch SE 3
4.8

Reviewers generally agreed the SE 3 delivers the core Apple Watch experience, making it feel much less like a compromised budget model.

Polar Grit X Pro
3.0

Smartwatch features were divisive: dashboards and music controls helped daily use, but reviewers still saw it as sports-first and far behind fuller smartwatches.

fit
Apple Watch SE 3
3.0

Fit evidence was limited and mixed, with one reviewer saying the older body did not sit as flush as the Series 11.

Polar Grit X Pro
4.5

Fit was praised through both strap sizing and real-world wear, with reviewers describing a snug fit and a watch that does not feel bulky.

style and design
Apple Watch SE 3
3.1

Style and design were the main aesthetic tradeoff: reviewers liked the familiar Apple Watch look but repeatedly called it dated or bezel-heavy.

Polar Grit X Pro
4.5

Style and design were clear strengths, with reviewers calling it nice-looking, watch-like, and among the best-looking fitness trackers.

smartphone notifications
Apple Watch SE 3
4.6

Notification handling was a major everyday strength, with reviewers praising call, text, and response convenience from the wrist.

Polar Grit X Pro
3.3

Notifications were useful for staying connected during activities, but several reviewers noted they remain basic and mostly read-only.

charging convenience
Apple Watch SE 3
2.8

Charging convenience was mixed because faster top-ups help, but sleep tracking still forces many users into a daily charging routine.

Polar Grit X Pro
4.0

Charging convenience was positive for the magnetic, unclogged charger, though one reviewer noted only a cable is supplied.

durability
Apple Watch SE 3
3.5

Durability was mixed: stronger Ion-X glass drew praise, but some reviewers noted weaker dust/scratch protection or actual scratching.

Polar Grit X Pro
4.6

Durability was strongly praised, with sapphire glass, rugged construction, and scratch resistance repeatedly framed as outdoor-watch strengths.

safety features
Apple Watch SE 3
5.0

Safety features were strongly praised, especially fall detection, crash detection, emergency features, and real family anecdotes.

Polar Grit X Pro
4.0

Safety-feature evidence was limited but positive, focused on breadcrumb-style navigation for finding the way back.

water resistance
Apple Watch SE 3
4.1

Water resistance was considered adequate for common needs, with several reviewers accepting the 50m/swimproof rating.

Polar Grit X Pro
5.0

Water resistance had limited but very positive evidence, with one reviewer saying the watch was fully suitable for swimming and daily wet use.

customization options
Apple Watch SE 3
3.7

Customization was useful through watch faces, workout views, and settings, but limited by the lack of third-party watch faces.

Polar Grit X Pro
4.5

Customization evidence was positive, with one reviewer praising the ability to add or remove watch-face/dashboard items as needed.

health tracking accuracy
Apple Watch SE 3
4.1

Reviewers described the core health basics as adequate or mostly complete, especially heart-rate alerts and general tracking, while noting that advanced sensors remain absent.

Polar Grit X Pro
4.9

Reviewers who discussed HRV and broader health data found the Grit X Pro unusually accurate and useful, especially for recovery-oriented health tracking.

band quality
Apple Watch SE 3
5.0

Band quality evidence was limited but very positive, with praise for easily replaceable Apple Watch bands.

Polar Grit X Pro
4.2

Band quality was generally positive, with praise for snugness, stretch, and material feel, though the Mossy Oak coloration was only acceptable to one reviewer.

coaching features
Apple Watch SE 3
3.8

Workout Buddy and coaching features were appreciated as helpful motivation, though reviewers often described them as basic, repetitive, or hit-or-miss.

Polar Grit X Pro
4.5

Coaching features were highly rated: FitSpark, FuelWise, workout builders, structured workouts, and guided tests were repeatedly described as useful or standout.

sleep tracking accuracy
Apple Watch SE 3
3.8

Sleep tracking was generally useful and often accurate enough, though several reviewers felt Apple’s Sleep Score was simpler than competing systems.

Polar Grit X Pro
4.5

Sleep tracking drew strong agreement, with reviewers praising sleep timing, Nightly Recharge, HRV-linked sleep data, and easy-to-understand sleep analysis.

materials quality
Apple Watch SE 3
4.0

Materials quality evidence was limited but positive, centered on the aluminum case, rounded body, and premium-looking construction.

Polar Grit X Pro
4.7

Materials quality was praised, especially the sapphire glass, stainless/titanium construction, and scratch-resistant, well-thought-out hardware.

recovery insights
Apple Watch SE 3
4.0

Recovery-related evidence was limited, but one fitness-focused review valued training-load tracking as a way to monitor workout volume over time.

Polar Grit X Pro
4.6

Recovery insights were one of the strongest areas, with reviewers praising leg recovery, Recovery Pro, Nightly Recharge, and HRV-based fatigue guidance.

pairing reliability
Apple Watch SE 3
4.5

Pairing/setup evidence was limited but positive, with one review calling setup quick and easy.

Polar Grit X Pro
3.9

Pairing reliability varied, with some reviewers pairing straps without problems, while others found sensor pairing finicky or dependent on better indicators.

heart rate accuracy
Apple Watch SE 3
4.3

Heart-rate tracking drew strong praise across testing, with reviewers saying it aligned well with comparison devices and remained usable even in harder workouts.

Polar Grit X Pro
3.8

Heart-rate accuracy was split: several reviewers found it very good or accurate, while others saw missed intervals, intensity errors, or inconsistent optical readings.

call handling
Apple Watch SE 3
4.5

Call handling was rated highly where tested, especially voice isolation and gesture-based call management.

Polar Grit X Pro
4.0

Call handling had limited but positive evidence, with one reviewer finding workout access to texts and calls useful because it reduced phone handling.

companion app quality
Apple Watch SE 3
3.0

The companion app setup drew a mixed note because managing Watch, Health, and Fitness across multiple iPhone apps can feel tedious.

Polar Grit X Pro
3.5

The companion app experience was powerful but polarizing: reviewers praised detail and support while warning that Polar Flow can intimidate or sync poorly.

comfort
Apple Watch SE 3
4.8

Comfort was a consistent strength, especially for sleep, smaller wrists, and unobtrusive daily wear.

Polar Grit X Pro
4.3

Comfort was mostly positive, with reviewers calling it comfortable over long wear, though one noted the watch is large and heavy.

build quality
Apple Watch SE 3
4.0

Build quality was considered solid for the price, with reviewers calling it well made and modern enough despite the older design.

Polar Grit X Pro
4.5

Build quality was a major strength, with reviewers describing the watch as solid, durable, notable, and well built.

wellness insights
Apple Watch SE 3
3.9

Wellness insights were considered helpful for beginners or casual users, especially Sleep Score, sleep apnea alerts, and the Vitals-style health context.

Polar Grit X Pro
4.3

Wellness insights were useful for daily awareness, with reviewers noting heart-rate, sleep, recovery, and state-of-mind metrics they checked regularly.

battery life
Apple Watch SE 3
3.4

Battery life was the main practical compromise, ranging from excellent in some tests to daily-charge frustration in others.

Polar Grit X Pro
3.7

Battery life was mixed: some reviewers got about a week and called it solid, while others found it weak, sub-par, or only about four days.

workout tracking variety
Apple Watch SE 3
4.8

Workout variety was viewed very positively, with reviewers noting broad sport profiles and nearly the same workout options as pricier Apple Watches.

Polar Grit X Pro
4.5

Workout variety was consistently praised thanks to many sport profiles, multisport support, customizable activity choices, and broad activity/sleep tracking coverage.

watch face quality
Apple Watch SE 3
4.3

Watch faces were viewed positively, especially the always-on versions and Apple’s high-quality built-in choices.

Polar Grit X Pro
4.2

Watch faces and dashboards were mostly praised, especially daylight, weather, compass, and altitude views, though one reviewer wanted more variety.

mapping and navigation
Apple Watch SE 3
4.0

Navigation evidence was limited but positive, with offline Apple Maps presented as helpful when away from the phone.

Polar Grit X Pro
3.9

Mapping and navigation were useful but imperfect: reviewers liked routing, elevation profiles, backtrack, and turn prompts, while noting no full maps and clunky setup.

music controls
Apple Watch SE 3
3.9

Music controls and speaker/media features were useful additions, though reviewers were split on how often they would actually use playback from the watch speaker.

Polar Grit X Pro
4.0

Music controls were usually liked and often useful during workouts, although reviewers repeatedly emphasized they only control phone playback.

reliability
Apple Watch SE 3
4.5

Reliability evidence was limited but positive, with one reviewer concluding the SE 3 has what most users need.

Polar Grit X Pro
4.6

Reliability was positive where discussed, with reviewers calling it outstanding, reliable, and a strong rugged sports-watch option.

brightness
Apple Watch SE 3
3.8

Brightness was usually adequate and sometimes praised, but reviewers acknowledged it is below the brighter Series and Ultra screens.

Polar Grit X Pro
3.9

Brightness was generally adequate and improved by backlight options, but one reviewer noted the factory screen setting felt dim.

GPS accuracy
Apple Watch SE 3
3.8

GPS accuracy was mostly praised for everyday workouts, though reviewers noted single-band GPS can wander in dense urban or more challenging environments.

Polar Grit X Pro
3.8

GPS accuracy was generally good or reliable, but reviewers repeatedly added caveats about single-band GPS, small drifts, or minor bobbles.

charging speed
Apple Watch SE 3
4.2

Charging speed improved substantially over the SE 2 and was usually praised, even when still slower than pricier Apple Watches.

Polar Grit X Pro
4.2

Charging speed had limited but positive evidence, with one reviewer describing the battery as long-lasting and quick-charging.

outdoor visibility
Apple Watch SE 3
3.5

Outdoor visibility was generally serviceable, but direct sunlight remained a repeated display limitation.

Polar Grit X Pro
3.5

Outdoor visibility was generally good, especially in sunlight, but reviewers still reported middling clarity, indoor difficulty, and one major cycling legibility issue.

button controls
Apple Watch SE 3
4.5

Button and gesture controls were widely praised, especially Double Tap, Wrist Flick, the Digital Crown, and side-button shortcuts.

Polar Grit X Pro
4.4

Button controls were usually praised for tactile use in wet, cold, or active conditions, even though separate lag complaints affected software response.

fitness tracking accuracy
Apple Watch SE 3
4.4

Fitness tracking accuracy was a clear strength, with reviewers reporting reliable workout, activity, and comparison-test results for the price.

Polar Grit X Pro
4.4

General fitness tracking was viewed positively, with reviewers saying Polar’s sports tracking and core workout performance held up well across tested activities.

size options
Apple Watch SE 3
4.0

Size options were viewed positively for offering 40mm and 44mm choices, especially for smaller wrists.

Polar Grit X Pro
4.0

Size-option evidence was limited to the strap package, but the small/large strap sizing was positively tied to getting a snug fit.

activity auto-detection
Apple Watch SE 3
3.6

Auto-detection was useful but not flawless; reviewers found it adequate for walks and workouts, while one later review said it still lagged rivals.

Polar Grit X ProNo score yet
blood oxygen tracking
Apple Watch SE 3
2.1

Blood oxygen tracking was consistently treated as a missing premium health feature, with reviewers noting it remains reserved for higher-end Apple Watches.

Polar Grit X ProNo score yet
Bluetooth connectivity
Apple Watch SE 3No score yet
Polar Grit X Pro
2.1

Bluetooth connectivity was mixed: basic Bluetooth sensor support exists, but reviewers criticized Bluetooth power-meter issues and the lack of ANT+ support.

calorie tracking usefulness
Apple Watch SE 3
4.0

Calorie tracking appeared as part of the useful core fitness toolkit, with one test finding calorie and distance figures matched a comparison watch exactly.

Polar Grit X ProNo score yet
cross-platform compatibility
Apple Watch SE 3
2.0

Cross-platform compatibility was a clear limitation because the SE 3 remains an iPhone-only smartwatch.

Polar Grit X ProNo score yet
ECG functionality
Apple Watch SE 3
2.1

ECG was the most repeated missing health feature, often framed as the main reason some higher-risk buyers might step up to the Series line.

Polar Grit X ProNo score yet
Hill Splitter hill tracking
Apple Watch SE 3No score yet
Polar Grit X Pro
3.2

Hill Splitter was mixed: it was useful for impromptu hill repeats, but less helpful for major climbs where remaining ascent matters.

LTE connectivity
Apple Watch SE 3
4.0

Cellular connectivity was viewed as a useful option, with 5G improving coverage, efficiency, and phone-free use for calls, messages, and downloads.

Polar Grit X ProNo score yet
onboard music storage
Apple Watch SE 3No score yet
Polar Grit X Pro
1.1

Onboard music storage was a consistent weakness, with reviewers repeatedly pointing out that there is no local music storage or playback.

running power support
Apple Watch SE 3No score yet
Polar Grit X Pro
4.5

Running power support was strongly praised, especially by triathlon and trail-focused reviewers who value native power for pacing and power-zone training.

voice assistant quality
Apple Watch SE 3
4.1

On-device Siri was broadly seen as a useful upgrade, making commands faster and more practical for workouts, timers, weather, and health questions.

Polar Grit X ProNo score yet