Compare Apple Watch Ultra 3 vs Garmin Approach S50

P1 Apple Watch Ultra 3
P2 Garmin Approach S50

Comparison Takeaways

Apple Watch Ultra 3

Where It Has the Edge

  • voice assistant quality is 4.3 vs 2.0. Voice assistant quality is positive, with Siri described as clear and responsive alongside strong speaker and microphone hardware.
  • call handling is 4.6 vs 2.5. Call handling receives positive notes, with reviewers saying the speakers and microphones keep calls clear for a smartwatch.
  • contactless payments is 4.6 vs 3.1. Contactless payments are supported through Apple Pay and Wallet, reinforcing the Ultra 3’s day-to-day smartwatch usefulness.
  • third-party app support is 4.6 vs 3.3. Third-party app support is a standout advantage, especially for Strava, Runna, WorkOutDoors, AllTrails, Spotify, and other Apple Watch...

Garmin Approach S50

Where It Has the Edge

  • fit is 4.6 vs 2.9. Fit is strong for many wrists due to the low profile and adjustable fabric strap, though some reviewers...
  • cross-platform compatibility is 3.3 vs 2.1. Cross-platform compatibility is mixed: the S50 works with iPhone and Apple users, but reviewers found Garmin's iPhone experience...
  • recovery insights is 4.3 vs 3.2. Recovery insights were supported by body battery, sleep-recovery feedback, and post-exercise recovery guidance, making this one of the...
  • mapping and navigation is 4.0 vs 3.2. Mapping and navigation are core strengths for yardages, hazards, green views, PinPointer, and course data, but fuller maps...
Average score
Product 1: Apple Watch Ultra 3
4.2
Product 2: Garmin Approach S50
4.0
activity auto-detection
Product 1: Apple Watch Ultra 3
4.2

Reviewers describe useful automatic workout or track-detection support, mostly as part of the broader Apple workout feature set rather than as a heavily tested headline feature.

Product 2: Garmin Approach S50
4.4

Auto-detection evidence is strongest around golf-shot detection, score prompts, and Move IQ-style automatic activity interpretation.

app ecosystem
Product 1: Apple Watch Ultra 3
4.9

The app ecosystem is a major strength, with reviewers pointing to the huge Apple Watch app store and strong support from fitness and everyday apps.

Product 2: Garmin Approach S50
4.4

The Garmin ecosystem is a strength, especially app syncing, accessory support, Garmin Golf membership upgrades, club sensors, and cross-device benefits.

band quality
Product 1: Apple Watch Ultra 3
4.0

Band feedback is mixed: some reviewers liked Trail Loop stability or comfort, while one found it could work loose during runs.

Product 2: Garmin Approach S50
3.9

Band quality is polarizing: several reviewers liked the lightweight nylon ComfortFit band, while others found it fiddly, sweaty, or less premium.

battery life
Product 1: Apple Watch Ultra 3
4.3

Battery life is consistently better than standard Apple Watches, often reaching two to three days, though reviewers still note it trails dedicated sports watches.

Product 2: Garmin Approach S50
4.3

Battery life is strong overall, with multi-day to near-week-long use reported, but it remains below the S70's rated endurance.

blood oxygen tracking
Product 1: Apple Watch Ultra 3
4.1

Blood oxygen tracking is treated as part of Apple’s broad health suite, with reviewers noting SpO2 or Blood Oxygen availability rather than deeply testing accuracy.

Product 2: Garmin Approach S50
4.0

Blood oxygen tracking is present through Pulse Ox, with reviewers noting both the sensor and sleep/on-demand measurement behavior.

Bluetooth connectivity
Product 1: Apple Watch Ultra 3
4.0

Bluetooth support is present and cited through Bluetooth 5.3, though reviewers did not spend much time testing Bluetooth reliability in depth.

Product 2: Garmin Approach S50
4.7

Bluetooth connectivity is useful for accessories, especially rangefinder yardages and connected golf hardware.

brightness
Product 1: Apple Watch Ultra 3
4.7

Brightness is a clear strength, with multiple reviewers praising the 3,000-nit display, wide-angle viewing, and real-world readability.

Product 2: Garmin Approach S50
4.4

Brightness is generally praised, but one Florida-sun review found smaller text could be hard to read in direct sunlight.

build quality
Product 1: Apple Watch Ultra 3
4.7

Build quality is praised as rugged, durable, refined, and premium, with titanium and sapphire contributing to confidence in daily and outdoor use.

Product 2: Garmin Approach S50
3.8

Build quality is generally positive for slimness and lightness, but one reviewer felt the S50 was somewhat plasticky versus pricier models.

button controls
Product 1: Apple Watch Ultra 3
4.5

Button controls are well liked, especially the Action button, wrist gestures, and quick workout or utility shortcuts.

Product 2: Garmin Approach S50
4.0

Button controls are functional with two side buttons, but several reviewers preferred the extra physical controls on higher-end Garmin watches.

call handling
Product 1: Apple Watch Ultra 3
4.6

Call handling receives positive notes, with reviewers saying the speakers and microphones keep calls clear for a smartwatch.

Product 2: Garmin Approach S50
2.5

Call handling is basic: reviewers found phone-call notifications and answer/reject controls, but no full calling experience from the watch.

calorie tracking usefulness
Product 1: Apple Watch Ultra 3
3.8

Calorie tracking is mentioned as part of Activity Rings and daily movement tracking, but reviewers give little direct analysis of its precision.

Product 2: Garmin Approach S50
3.8

Calorie tracking is available as part of the daily health metrics, but reviewers mostly mentioned it as a tracked stat rather than deeply evaluating its usefulness.

charging convenience
Product 1: Apple Watch Ultra 3
4.5

Charging convenience improves the ownership experience because quick top-ups can cover sleep tracking or reduce the need for strict daily charging.

Product 2: Garmin Approach S50
3.5

Charging convenience is mixed: the cable is familiar for Garmin users, but proprietary charging was criticized as inconvenient for trips.

charging speed
Product 1: Apple Watch Ultra 3
4.4

Charging speed is widely praised as faster and practical, commonly cited around 80% in about 45 minutes or meaningful top-ups in 15 minutes.

Product 2: Garmin Approach S50
4.0

Charging speed has limited evidence, but one reviewer said the initial charge only took a few hours.

coaching features
Product 1: Apple Watch Ultra 3
3.5

Workout Buddy and coaching features are useful but uneven, with praise for encouragement offset by complaints about limited requirements or wonky feedback.

Product 2: Garmin Approach S50
4.1

Coaching features include Garmin coaching, meditation or breathing prompts, sleep coach, and training-program support, though they are secondary to the golf feature set.

comfort
Product 1: Apple Watch Ultra 3
3.5

Comfort depends heavily on wrist size and band choice: some found 24/7 wear manageable, while others still considered the Ultra 3 bulky.

Product 2: Garmin Approach S50
4.3

Comfort is one of the S50's standout strengths thanks to its lightweight, low-profile design, though the nylon strap can feel less comfortable when sweaty.

companion app quality
Product 1: Apple Watch Ultra 3
3.9

The companion app experience is useful but not flawless, with Health, Fitness, and Watch app integration praised while post-run data organization can feel split.

Product 2: Garmin Approach S50
4.2

The companion app experience is positive, with reviewers citing Garmin Golf setup, connectivity, and flawless syncing after pairing.

contactless payments
Product 1: Apple Watch Ultra 3
4.6

Contactless payments are supported through Apple Pay and Wallet, reinforcing the Ultra 3’s day-to-day smartwatch usefulness.

Product 2: Garmin Approach S50
3.1

Contactless payments are supported through Garmin Pay/NFC, but reviewer evidence points to limited bank compatibility in the UK.

cross-platform compatibility
Product 1: Apple Watch Ultra 3
2.1

Cross-platform compatibility is a weakness: reviewers repeatedly emphasize that the Ultra 3 is effectively for iPhone users only.

Product 2: Garmin Approach S50
3.3

Cross-platform compatibility is mixed: the S50 works with iPhone and Apple users, but reviewers found Garmin's iPhone experience less flexible than Apple Watch integration.

customization options
Product 1: Apple Watch Ultra 3
4.5

Customization is strong, from workout profiles and data screens to third-party apps, routes, and Action button behavior.

Product 2: Garmin Approach S50
4.3

Customization is strong for golf settings, data screens, flag position, watch upgrades, and optional feature toggles.

display quality
Product 1: Apple Watch Ultra 3
4.5

Display quality is one of the strongest points, with reviewers repeatedly praising the larger LTPO OLED panel, clarity, and premium screen experience.

Product 2: Garmin Approach S50
4.6

Display quality is a major strength, with repeated praise for the AMOLED/OLED screen, crispness, color, and modern look.

durability
Product 1: Apple Watch Ultra 3
4.6

Durability is a strength, with reviewers citing titanium, sapphire, water ratings, and real-world resistance to visible damage.

Product 2: Garmin Approach S50
4.2

Durability evidence is limited but positive, centered on the Corning Gorilla Glass 3 lens.

ECG functionality
Product 1: Apple Watch Ultra 3
4.2

ECG support is repeatedly listed as part of Apple’s advanced health feature set, though not deeply performance-tested in these reviews.

Product 2: Garmin Approach S50
No score yet
fit
Product 1: Apple Watch Ultra 3
2.9

Fit is a recurring caveat because the large 49mm body can loosen, press against smaller wrists, or affect sensor contact.

Product 2: Garmin Approach S50
4.6

Fit is strong for many wrists due to the low profile and adjustable fabric strap, though some reviewers questioned larger-wrist suitability.

fitness tracking accuracy
Product 1: Apple Watch Ultra 3
4.5

Fitness tracking accuracy is broadly positive, especially for sports tracking and metrics, though not all reviewers found every sensor perfect.

Product 2: Garmin Approach S50
3.3

Fitness tracking accuracy is more mixed: reviewers liked the broad activity tracking and stats, but one noted the S50 cannot track elevation as accurately as the S70.

GPS accuracy
Product 1: Apple Watch Ultra 3
4.6

GPS accuracy is one of the strongest consensus wins, with reviewers repeatedly calling tracks solid, precise, or among the best available.

Product 2: Garmin Approach S50
4.8

GPS accuracy was one of the strongest points, with reviewers reporting quick satellite lock, reliable course selection, and yardages within a few yards of a laser rangefinder.

health tracking accuracy
Product 1: Apple Watch Ultra 3
4.4

Health tracking is considered comprehensive and strong, combining Vitals, ECG, SpO2, hypertension alerts, sleep, and activity data.

Product 2: Garmin Approach S50
4.2

Reviewers treated the S50 as a credible health tracker, especially through body battery, HRV, blood oxygen, sleep, and daily activity insights, though the evidence is stronger on feature coverage than lab-level validation.

heart rate accuracy
Product 1: Apple Watch Ultra 3
3.9

Heart-rate accuracy is mostly praised, but evidence is mixed: several tests matched chest straps closely while others reported errors during runs.

Product 2: Garmin Approach S50
4.0

Heart-rate tracking was repeatedly cited as the key hardware difference that unlocks the S50's health and fitness value, with one reviewer noting it uses Garmin's older Gen 4 sensor.

LTE connectivity
Product 1: Apple Watch Ultra 3
4.1

Cellular and 5G support is useful, especially for iPhone-free use, though some reviewers saw limited real-world speed gains or carrier limits.

Product 2: Garmin Approach S50
No score yet
mapping and navigation
Product 1: Apple Watch Ultra 3
3.2

Mapping and navigation are a major split: third-party apps and urban directions help, but native workout mapping and route following remain weak.

Product 2: Garmin Approach S50
4.0

Mapping and navigation are core strengths for yardages, hazards, green views, PinPointer, and course data, but fuller maps and green contours often require Garmin's paid membership.

materials quality
Product 1: Apple Watch Ultra 3
4.6

Materials quality is highly regarded, with reviewers repeatedly citing titanium, sapphire crystal, recycled titanium, and premium construction.

Product 2: Garmin Approach S50
3.8

Materials are mixed-to-good, with Gorilla Glass and aluminum noted positively while the lightweight body drew a plasticky caveat.

menu navigation
Product 1: Apple Watch Ultra 3
4.0

Menu navigation in the Workout app is described as improved and better organized, though this was not a major review focus.

Product 2: Garmin Approach S50
4.0

Menu navigation is mostly straightforward once learned, though one reviewer found the golf features a bit complicated at first.

music controls
Product 1: Apple Watch Ultra 3
4.1

Music features are useful, from Apple Music workout playlists to playback controls and iPhone-free listening, though playlist taste can be inconsistent.

Product 2: Garmin Approach S50
4.0

Music controls are present and useful, including phone music control and a music-controller feature in the watch interface.

onboard music storage
Product 1: Apple Watch Ultra 3
4.0

Onboard storage is confirmed at 64GB, but reviewers did not deeply evaluate local media storage as a standalone feature.

Product 2: Garmin Approach S50
3.4

Onboard music storage is available, but storage is modest compared with the S70 and one review specifically called out the 4 GB limit.

operating system experience
Product 1: Apple Watch Ultra 3
4.7

The operating system experience is a major strength, with watchOS 26 and Apple’s software polish helping the Ultra 3 feel smooth and integrated.

Product 2: Garmin Approach S50
3.9

The operating-system experience is familiar and Garmin-consistent, but reviewers still saw some iPhone-related limitations.

outdoor visibility
Product 1: Apple Watch Ultra 3
4.6

Outdoor visibility is consistently praised, with reviewers reporting strong readability in bright sunlight, shade, and off-angle situations.

Product 2: Garmin Approach S50
4.2

Outdoor visibility is mostly strong thanks to the bright AMOLED screen and big-number options, but direct sun can make fine details harder to see.

pairing reliability
Product 1: Apple Watch Ultra 3
4.9

Pairing reliability and ecosystem integration are described as excellent through the Ultra 3’s close, seamless connection with the iPhone.

Product 2: Garmin Approach S50
4.7

Pairing reliability is a strength, with reviewers describing Garmin Golf app pairing as simple, seamless, and reliable after setup.

recovery insights
Product 1: Apple Watch Ultra 3
3.2

Recovery insights are useful but shallow compared with dedicated sports watches, with training load and health insights noted as limited or basic.

Product 2: Garmin Approach S50
4.3

Recovery insights were supported by body battery, sleep-recovery feedback, and post-exercise recovery guidance, making this one of the stronger wellness features.

reliability
Product 1: Apple Watch Ultra 3
4.2

Reliability is generally positive for satellite, calls, software stability, and daily use, though sensor reliability is not perfect in all contexts.

Product 2: Garmin Approach S50
4.5

Reliability is strong, with reviewers saying Garmin golf watches simply work, though one review mentioned a reduced GPS-signal course issue.

safety features
Product 1: Apple Watch Ultra 3
4.6

Safety features are a headline strength, especially satellite SOS, satellite messaging, fall/crash detection, siren, and off-grid location support.

Product 2: Garmin Approach S50
4.2

Safety features are present through LiveTrack and fall/emergency-contact settings, but they were covered mainly in a feature walkthrough.

size options
Product 1: Apple Watch Ultra 3
2.8

Size options are limited, since the Ultra 3 is a large 49mm watch that can be too much for smaller wrists or slimmer-watch shoppers.

Product 2: Garmin Approach S50
3.1

Size options are limited compared with the S70, and reviewers repeatedly flagged that the S50 may feel small for larger wrists.

sleep tracking accuracy
Product 1: Apple Watch Ultra 3
4.2

Sleep tracking is mostly regarded as accurate and useful, with Sleep Score adding clarity, though occasional quirks or fit issues remain.

Product 2: Garmin Approach S50
4.3

Sleep tracking drew strong praise across reviews, with reviewers highlighting detailed scoring, sleep coach features, and comfort for overnight wear.

smartphone notifications
Product 1: Apple Watch Ultra 3
4.0

Smartphone notifications are part of normal daily use and battery testing, but reviewers did not emphasize notification handling as a differentiator.

Product 2: Garmin Approach S50
3.6

Smartphone notifications are useful for triage and can be muted in golf mode, but reviewers noted limited iPhone notification controls and limited actionability from the watch.

smartwatch features
Product 1: Apple Watch Ultra 3
4.6

Smartwatch features are a core strength, with reviewers calling it a full-featured iPhone smartwatch rather than only a sports watch.

Product 2: Garmin Approach S50
4.3

Smartwatch features are solid for a golf-focused device, adding alarms, timers, health metrics, notifications, weather, calendar, and broader daily-use tools.

software smoothness
Product 1: Apple Watch Ultra 3
4.6

Software smoothness is praised, with reviewers calling taps, swipes, animations, and the overall experience snappy, responsive, and stable.

Product 2: Garmin Approach S50
4.8

Software smoothness scored well based on seamless Garmin app pairing and the reviewer's statement that it works flawlessly after initial setup.

step counting accuracy
Product 1: Apple Watch Ultra 3
3.2

Step tracking is present through Activity tracking, but review evidence only confirms step tracking rather than demonstrating strong accuracy testing.

Product 2: Garmin Approach S50
No score yet
stress tracking
Product 1: Apple Watch Ultra 3
No score yet
Product 2: Garmin Approach S50
4.1

Stress tracking appeared consistently as part of the S50's wellness package, often tied to body battery, sleep, and heart-rate-based insights.

style and design
Product 1: Apple Watch Ultra 3
4.2

Style and design are generally praised as rugged, sophisticated, premium, and increasingly mainstream, though bulk remains polarizing.

Product 2: Garmin Approach S50
4.5

Style and design are widely praised, with reviewers calling the S50 sleek, lightweight, understated, and better looking than bulkier alternatives.

third-party app support
Product 1: Apple Watch Ultra 3
4.6

Third-party app support is a standout advantage, especially for Strava, Runna, WorkOutDoors, AllTrails, Spotify, and other Apple Watch apps.

Product 2: Garmin Approach S50
3.3

Third-party app support is limited and mixed, with restrictions around iPhone app notifications but some music-provider support.

touchscreen responsiveness
Product 1: Apple Watch Ultra 3
4.8

Touchscreen responsiveness receives very strong praise in the Runner’s World review, where the screen is called brilliantly responsive.

Product 2: Garmin Approach S50
4.7

Touchscreen responsiveness is a repeated strength, with reviewers calling the screen responsive, intuitive, and central to navigation.

user interface
Product 1: Apple Watch Ultra 3
4.3

The user interface is generally smooth and modern, with Liquid Glass and revised workout navigation praised, though minor glitches appear in one review.

Product 2: Garmin Approach S50
4.3

The interface is generally intuitive, with reviewers praising the touchscreen, simple golf start flow, and easy feature-to-feature movement.

value for money
Product 1: Apple Watch Ultra 3
3.3

Value is mixed: reviewers respect the capability but repeatedly mention the high price and limited need to upgrade from recent Ultra models.

Product 2: Garmin Approach S50
4.0

Value depends on buyer priorities: reviewers liked the golf-plus-health package, but subscription-locked maps and the cheaper S44 created meaningful tradeoffs.

voice assistant quality
Product 1: Apple Watch Ultra 3
4.3

Voice assistant quality is positive, with Siri described as clear and responsive alongside strong speaker and microphone hardware.

Product 2: Garmin Approach S50
2.0

Voice assistant support is weak, with the reviewer specifically noting that Siri-style talking from the watch is not available.

watch face quality
Product 1: Apple Watch Ultra 3
4.4

Watch faces are a meaningful Ultra advantage, especially Modular Ultra and Waypoint, though one reviewer reported Waypoint glitches.

Product 2: Garmin Approach S50
3.8

Watch-face quality is decent with many selectable faces, though the S70 was described as having better customization options.

water resistance
Product 1: Apple Watch Ultra 3
4.6

Water resistance is a strong point, with reviewers noting 100m resistance, 40m diving support, and snorkeling or swim readiness.

Product 2: Garmin Approach S50
3.8

Water-related evidence is indirect: reviewers discussed swimming and shower use, but mainly as a nylon-band drying consideration.

wellness insights
Product 1: Apple Watch Ultra 3
4.2

Wellness insights are useful and increasingly broad, with Vitals, Sleep Score, hypertension alerts, sleep apnea, and sleep-stage context highlighted.

Product 2: Garmin Approach S50
4.4

Wellness insights are a major strength, especially body battery, sleep, stress, respiration, recovery, and health snapshots that make the watch useful off the course.

Wi-Fi connectivity
Product 1: Apple Watch Ultra 3
3.7

Wi-Fi is mostly discussed in relation to off-grid satellite fallback, so evidence supports connectivity context more than detailed Wi-Fi performance.

Product 2: Garmin Approach S50
4.2

Wi-Fi support is present for updates, though reviewer evidence is limited to feature walkthrough coverage.

workout tracking variety
Product 1: Apple Watch Ultra 3
4.5

Workout tracking variety is broad, covering many activity modes, running profiles, cycling, swimming, diving, and outdoor activities.

Product 2: Garmin Approach S50
4.2

Workout variety is broad for a golf watch, with support called out for runs, rides, swims, gym sessions, and other sports, though reviewers still framed it below higher-end Garmin fitness watches.