Compare Apple Watch Ultra 3 vs Amazfit Cheetah 2 Pro

Pool testing gave the only clear auto-detection judgment, with the watch correctly identifying the reviewer’s freestyle swim style.

The app ecosystem was a standout strength, with reviewers praising the huge App Store and iPhone-integrated app experience.

Reviewers generally found Zepp improving into a usable ecosystem, but several said it still feels overloaded or less clean than Garmin/Coros ecosystems.

Band quality evidence was positive for the reflective Trail Loop’s workout stability compared with the Ocean Band.

Band reactions were split: some reviewers found it comfortable or even a favorite, while others called it cheap, not premium, or irritating.

Battery life was broadly improved and often praised as multi-day for a smartwatch, but still short of endurance-watch rivals.

Battery life was one of the strongest areas, with repeated praise for week-plus use and long GPS endurance, though one reviewer found it inconsistent and another compared it unfavorably to a T-Rex model.

Blood oxygen evidence was limited to one first-look concern where an unexpected SpO2 reading made the reviewer question the result.

Brightness earned strong praise as the brightest display of any Apple Watch in the reviewed evidence.

Brightness was consistently praised, with reviewers calling the 3,000-nit display highly readable in sun and a major visibility advantage.

Build quality was praised as durable, refined, and rock solid.

Build quality was widely praised thanks to the titanium and sapphire construction, with reviewers repeatedly describing the hardware as premium or impressive for the price.

Button and gesture controls were a strength, especially the Action button and touch-free gestures.

The physical buttons were a clear strength for running use, wet hands, gloves and avoiding accidental presses, though one reviewer still missed a fifth button/crown-style setup.

Call handling received positive evidence from smartwatch audio quality in the PhoneArena review.

Call handling had limited but positive evidence, with the watch speaker and microphone judged loud and good enough for calls.

Nutrition and calorie logging in Zepp received unusually strong praise because reviewers found automatic calorie and macro calculations easier than other apps.

Charging convenience was praised because quick top-ups reduced sleep-tracking and daily-use friction.

Charging convenience was mixed: the magnetic puck was liked, but reviewers disliked the proprietary charger and need to carry another accessory.

Charging speed was mixed-to-positive: reviewers liked 80% charging in about 45 minutes, but one saw little generational improvement.

Workout Buddy and coaching were viewed as promising but uneven, with reviewers noting wrong or limited guidance and phone requirements.

Coaching features were broadly useful, especially Zepp Coach and structured plans, though some reviewers wanted deeper or more polished training analysis.

Comfort was mixed: several reviewers found it wearable, but others called it bulky or preferred smaller/lighter watches.

Comfort was polarized: some found the watch light and wearable on long runs, while others criticized its bulk, weight, thickness or tempo-run nuisance.

The companion-app experience was criticized as disjointed across Fitness and Health.

The companion app was useful and often clear for training data, nutrition, routes and analysis, but reviewers also described it as overwhelming or initially hard to learn.

Apple Pay and Wallet were cited as useful day-to-day smartwatch tools.

Contactless payments were positively described as practical for errands, coffee or post-workout stops without carrying a phone.

Cross-platform compatibility was a clear drawback because reviewers emphasized that the watch remains locked to iPhone users.

Cross-platform compatibility was a weak spot in the available evidence because iPhone users lose direct SMS replies and some smartwatch integration.

Customization was praised through strong third-party data-screen options for running apps.

Customization was praised across brightness, data pages and watch setup, with reviewers noting the watch can be tailored heavily to training needs.

Display quality was one of the strongest consensus areas, with reviewers praising screen size, clarity, brightness, and readability.

Display quality was strong overall because it is sharp and bright, but several reviewers disliked the smaller usable display or large bezel relative to the case.

Durability evidence was positive, including titanium-case praise and no visible damage after knocks.

Durability evidence was positive, with one fall leaving the watch unmarked and another review saying the case stayed immaculate after hard training.

ECG functionality was a weakness because reviewers noted the feature is absent and that Garmin offers superior ECG-related capability.

Fit had a specific concern: the Trail Loop worked loose enough to affect sensor contact.

Fit depended heavily on wrist size: one reviewer found it too large on a smaller wrist, while others found it lightweight or nicely fitting.

General fitness metrics were considered accurate in higher-level testing, especially when GPS and heart-rate results were evaluated together.

Fitness tracking accuracy was generally good for recreational training and racing, though reviewers noted GPS distance quirks and not-class-leading precision.

The flashlight was repeatedly praised as useful, with reviewers liking the real LED torch, red mode and practical running or nighttime use.

GPS accuracy was one of the strongest areas, with multiple reviewers calling tracks solid, impressive, precise, or market-leading.

GPS accuracy was one of the strongest consensus areas, with many reviewers finding it solid, fast, close to Garmin, or excellent, though a few noted corner-cutting or distance errors.

Hypertension-related health alerts were treated as meaningful preventive signals, though evidence was limited to one reviewer’s health-feature assessment.

Health tracking accuracy was positive but not flawless; heart-rate-based health metrics were useful, while scientific testing rated broader heart tracking as only okay.

Heart-rate results were mostly praised as close to straps and among the best wrist readings, but some reviewers reported race-day or run-session misses.

Heart rate accuracy was good for steady efforts and often close to straps or Garmin, but several reviewers still recommended a chest strap for intervals, cycling or precision work.

Cellular/5G was mixed: one reviewer saw stronger weak-signal reception, while another found little real-world benefit.

Mapping and navigation were mixed: native Apple navigation was criticized, while turn-by-turn and third-party route tools helped.

Mapping and navigation were useful and feature-rich, but map smoothness, readability, rerouting and polish were repeated limitations.

Materials quality was praised for the slick titanium case and premium feel.

Materials quality was a major strength, with reviewers praising titanium, sapphire glass and premium exterior hardware, though one first-look review flagged a polymer bezel.

Menu navigation in the redesigned workout app was described as easier to use.

Menu navigation was serviceable but not effortless; reviewers liked straightforward navigation yet noted a learning curve and some complexity.

Music controls and Apple Music access were praised as joyful when running without an iPhone.

Onboard music storage was useful because there is room for music, but reviewers criticized the MP3-only approach and lack of streaming integration.

Operating-system experience was praised for frictionless iPhone integration and ecosystem fit.

The operating system experience was mixed: Zepp OS and Zepp app features worked, but reviewers called parts of the interface overloaded or bloated.

Outdoor visibility was generally excellent in sunlight and canopy conditions, though reflections could still interfere for one reviewer.

Outdoor visibility was excellent across reviews, with the display repeatedly judged easy to read in bright sunlight.

Recovery and training analysis remained a recurring weakness, with reviewers saying Apple still lacks the depth of dedicated sports-watch platforms.

Recovery insights were useful and practical, especially BioCharge, fatigue and sleep-related suggestions, though one reviewer found recovery time less conservative than Garmin.

Reliability was supported by evidence describing the Ultra 3 as a reliable multi-day smartwatch.

Reliability evidence was limited and mixed, mainly around inconsistent heart-rate/GPS moments and one wrong first GPS run.

Running power support was useful for one reviewer, but others questioned related metric reliability or found the calculation too different to evaluate.

Safety features were a major strength, especially satellite connectivity, SOS, and off-grid reassurance.

Safety features were praised mainly through the blinking flashlight/red light, which reviewers saw as useful for visibility in the dark.

Score tracking was useful when it summarized readiness, fatigue or race predictions into easy-to-read numbers, with one review praising accurate race-time prediction.

Size options were a weakness because the same large case felt too thick and bulky for smaller wrists.

Size options were a concern because reviewers repeatedly said smaller-wristed users could benefit from a smaller or more compact model.

Sleep tracking drew generally positive reactions for accuracy, clarity, and the new Sleep Score, with a few caveats around simplicity and confidence.

Sleep tracking opinions were mixed: some liked the depth and comparable sleep duration, while others found missed awake time and only okay sleep-stage accuracy.

Notification handling benefited from wrist-flick and gesture improvements that reviewers found useful for dismissing alerts.

Smartphone notifications were usable for reading texts, but iPhone reply limits and texting restrictions reduced the score.

Reviewers consistently positioned the Ultra 3 as a top-tier smartwatch and strong daily driver, especially for iPhone users.

Smartwatch features were useful but not full flagship-smartwatch quality, with reviewers praising everyday utility while noting slimmed-down features and unclear positioning.

Software smoothness was strong, with reviewers citing fluid watchOS animations, responsiveness, and a smooth user experience.

Software smoothness was mixed, with map lag and polish concerns offset by one review’s praise for firmware improvements and updates.

Stress tracking was useful where it offered practical suggestions and fed into readiness-style guidance, but evidence was limited.

Style and design were generally praised as rugged, streamlined, sophisticated, and balanced.

Style and design were generally liked, with reviewers calling it premium, sleek or good-looking, though not everyone found it amazing or loved its size.

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

Third-party support was strong for fitness platforms like TrainingPeaks, Runna, Intervals.icu and Strava, but weaker for streaming services and app breadth.

Touchscreen responsiveness was praised as brilliantly responsive and enjoyable.

Touchscreen responsiveness was split: several reviewers called it responsive, while others said sensitivity caused accidental inputs during running or wet use.

The interface was mostly liked for Liquid Glass fluidity, though one reviewer found the softer contrast harder to read.

The user interface was approachable for basics and liked by some reviewers, but others found it cluttered, unintuitive in places or frustrating.

Value for money was mixed: reviewers praised the capability but repeatedly flagged the $799 price, upgrade case, and iPhone limitation.

Value for money was mostly favorable versus premium Garmin pricing, but reviewers disagreed on whether the upgrade over cheaper Amazfit models justified the launch price.

Siri responsiveness was praised in the Nextpit review as smooth and on-device responsive.

Voice assistant quality was mixed to weak: short commands could work, but reviewers often found Zepp Flow less useful, less smooth or unnecessary during runs.

Voice notes were positively received as a fun and useful way to capture run context, especially when geotagged to an activity.

Ultra watch faces were a meaningful differentiator for one reviewer, especially Modular Ultra.

Watch face quality had limited but positive evidence, with one reviewer noting decent watch faces as part of the strong specification.

Water resistance was praised as dive-ready with 100-meter resistance.

Wellness insights were praised mainly around Sleep Score and hypertension-style health alerts, which reviewers found useful and welcome.

Wellness insights were useful because they tied sleep, stress, fatigue and activity into practical training feedback or recovery suggestions.

Wi-Fi connectivity had limited mixed evidence: map downloads over Wi-Fi worked but were described as mildly annoying.

Workout variety was praised for strong cycling, swimming, triathlon, and other activity profiles.

Workout variety was a consistent strength, with reviewers praising deep workout handling, extensive sport modes and broad activity coverage.