Compare Amazfit Active Max vs Samsung Galaxy Watch Ultra (2025)

Automatic detection is useful for common activities and strength reps, but reviewers found it inconsistent when workouts were not set up or when recognition started late.

Workout auto-detection is broadly useful, with reviewers citing automatic workout detection and reliable walk detection, though manual starts remain better for some activities.

The Zepp ecosystem offers watch faces, mini apps and map tools, but it is still smaller and less mature than major smartwatch platforms.

The app ecosystem is a strength: reviewers mention many available apps, Google Play access, and expanded usefulness from the extra storage.

Reviewers generally liked the ventilated silicone strap and standard quick-release sizing, describing it as breathable, adjustable and good quality.

Band feedback is mostly positive for comfort, stability, and easy removal, though one reviewer noted dirt collecting in the strap holes.

Battery life is one of the strongest points, with reviewers repeatedly reporting multi-day or multi-week use and strong GPS endurance.

Battery life is one of the clearest strengths, often described as the best in Samsung’s lineup, though heavy GPS or always-on use can reduce it.

Blood oxygen tracking is present as part of the health suite and appears in one-tap or continuous health monitoring features.

Blood oxygen tracking is present across the health sensor set, but one long-term reviewer found SpO2 readings routinely low.

Bluetooth support is broad enough for calls, headphones and phone-tethered features, though cellular independence is absent.

Bluetooth support is present, including Bluetooth 5.3 mentions, but external sensor connections were criticized or described as unavailable.

Brightness is a standout, with repeated praise for the 3,000-nit AMOLED display.

Brightness earns strong praise, with reviewers citing high nits, bright AMOLED output, and easy readability.

Build quality is considered solid for the price, with good workmanship and no cheap rattles, though materials are not premium-tier.

Build quality is consistently praised through the rugged titanium case, durable chassis, and robust construction.

The two physical buttons are easy to find and useful, but the watch remains touchscreen-reliant.

Button controls are mixed: reviewers like the Quick/action button and programmable shortcuts, but one long-term reviewer disliked accidental presses and limited workout button behavior.

Call handling is a useful smartwatch feature, with multiple reviewers confirming Bluetooth calling and clear watch audio.

Call handling is supported through Bluetooth calling, speaker/mic use, and smartwatch features for calls and texts.

Calorie tracking is a weak spot because one review found the calorie-burn estimate far off the mark.

Calorie tracking is included as part of the activity metrics, but the evidence is limited to feature availability rather than deep accuracy testing.

Charging is acceptable but mixed: the magnetic puck works well, yet reviewers noted the proprietary dock requirement.

Charging is wireless and reasonably convenient, but one reviewer criticized the missing wall charging block.

Charging speed is solid, with reports of quick top-ups and a 30-minute charge adding meaningful battery.

Charging speed gets limited but positive evidence, with one review reporting a full charge in about 95 minutes.

Zepp Coach and AI training guidance are broadly useful, especially for beginners, though not always as advanced or customizable as pricier rivals.

Coaching features are a real addition, especially Running Coach, with reviewers describing personalized plans and guidance.

Comfort is better than the large case suggests, with reviewers saying it is wearable day and night despite its size.

Comfort depends on wrist and expectations: some reviewers found it comfortable, while others felt the weight or bulk.

The Zepp companion app is divisive: some reviewers found it clear and beginner-friendly, while others called it busy or cluttered.

The companion app setup is useful but split, with health and smartwatch settings divided between Samsung Health and Galaxy Wearable.

Contactless payment support is present through NFC or Zepp Pay, though availability and support vary by region or reviewer context.

Contactless payments are supported through Samsung Wallet or Samsung Pay shortcuts.

Cross-platform support is a strength, with Android and iPhone compatibility repeatedly mentioned.

Cross-platform compatibility is limited: reviews say it works with Android but not iPhone, with the best experience tied to Samsung phones.

Customization is good for the price through watch faces, straps, widgets and interface options.

Customization is strong across programmable buttons, widgets, tiles, colors, and watch-face data.

The display is bright, sharp and readable, though some reviewers saw it as saturated or not the best in Amazfit's own lineup.

Display quality is a major strength, with repeated praise for the large, vibrant AMOLED display.

Durability is good for everyday use, with no scratches or wear in testing, but reviewers stop short of calling it extreme-duty rugged.

Durability is a standout, backed by titanium construction, MIL-STD claims, scratch protection, and reviewer reports of little damage.

ECG is not included, which is a clear limitation for buyers who want medical-style smartwatch sensors.

ECG functionality is widely listed as part of the health feature set, though one review notes Samsung-phone pairing requirements for ECG and blood pressure.

Fit is best for larger wrists; hinged lugs and light weight help, but the single large case will not suit everyone.

Fit is polarizing: it can fit some larger wrists well, but reviewers also note the single 47mm size and large wrist footprint.

Fitness tracking is strong for the price but not flawless, with solid general results and weaker precision in some workout cases.

Fitness tracking accuracy is generally good for everyday and running use, though scientific testing places it below the top alternatives.

GPS is generally usable and sometimes solid, but the single-band setup limits precision against higher-end dual-band watches.

GPS accuracy is good in several reviewer tests and supports dual-frequency GPS, but scientific testing found some route deviation.

Health tracking is useful for everyday trends, but reviewers frame it as reference-level rather than medical-grade.

Health tracking is feature-rich but mixed in accuracy, with strong sensor coverage offset by questionable antioxidant, HRV, and some sleep-stage findings.

Heart rate accuracy is mixed: steady runs and indoor cycling often performed well, while cycling, intervals and strength work exposed weaknesses.

Heart-rate accuracy is strongest in running evidence, with one reviewer matching a Polar strap closely, while scientific testing calls it good rather than elite.

LTE or cellular connectivity is absent, so phone-free communication is not part of this watch.

LTE is a consistent advantage because it is standard or broadly available, though one reviewer notes carrier setup can cost extra.

Offline maps and route support are a major value feature, but navigation lacks the depth and on-demand routing of premium watches.

Navigation support is useful through offline maps, Google Maps routing, and GPS widgets, but one reviewer notes no built-in maps on-watch.

Materials are respectable but cost-conscious, combining aluminum with plastic or mineral glass rather than titanium and sapphire.

Materials quality is strong, centered on titanium, sapphire/robust design references, and corrosion-resistant claims.

Menu navigation is serviceable but not fully polished, with inconsistent scrolling, no crown and some difficulty finding features quickly.

Menu navigation is mostly straightforward through swipes, app drawers, digital bezel haptics, and simple operation.

Music controls are useful for phone playback, but streaming service integration is missing.

Music features are useful for downloaded Spotify, streaming, media tiles, and larger storage for music.

Onboard music storage is a real feature thanks to 4GB storage, though reviewers noted limits around streaming and total capacity.

Onboard storage is a clear 2025 upgrade, repeatedly described as 64GB and useful for music, apps, and offline maps.

Zepp OS is easy enough to use but still lacks the refinement and visual polish of leading smartwatch systems.

The operating system experience benefits from One UI 8/Wear OS updates, Gemini, Now Bar, and refreshed interface features.

Outdoor visibility is excellent overall, with reviewers repeatedly reporting easy viewing in sunlight.

Outdoor visibility is excellent, with multiple reviewers saying the bright display remains readable in sunlight.

Pairing and ecosystem reliability are adequate, but not as seamless as watches built tightly around a phone OS.

Pairing and setup reliability are positive where tested, with instant recognition and quick setup noted.

Recovery insights such as BioCharge, training load and recovery guidance are useful, though less proven or polished than some sports-watch systems.

Recovery-style insights are mixed: vascular load interests some reviewers, while HRV and related metrics draw skepticism.

Overall reliability is good for casual use, with reviewers calling it dependable enough for most needs.

Reliability is mostly acceptable but not flawless, with one review noting brief display interruptions and another calling performance not horrible rather than perfect.

Safety features are limited, with missing fall detection, satellite emergency calls and weather alerts noted by reviewers.

Safety features include fall detection, emergency siren references, sleep apnea alerts, and related health/safety setup options.

Size options are limited because the watch is sold in one large size and one main color in several markets.

Size options are limited by the single large 47mm format, though the band can fit a range of wrists and the screen size appeals to some users.

Sleep tracking is good for duration and broad trends, but several reviewers found sleep staging or score details imperfect.

Sleep tracking is useful and improving, but reviewers disagree on sleep stages and awake-time accuracy.

Notification support is solid, especially for Android replies, while iPhone users have more limits.

Smartphone notifications are well supported, with reviewers noting detailed notification views and suggested replies.

Smartwatch features are useful but basic compared with true app-rich smartwatch platforms.

Smartwatch features are broad, including LTE, calls, texts, Gemini, Now Bar, storage, and Samsung’s full watch software stack.

Software smoothness is mostly strong, with smooth Zepp OS operation and responsive animations despite occasional quirks.

Software smoothness is generally good, with smooth app launches and more functional One UI behavior, despite occasional reliability caveats.

Step counting and some workout movement logs appear somewhat imprecise rather than precision-grade.

Step counting is positive in basic walking tests, but one reviewer notes accuracy drops when arms are not swinging.

Stress tracking is included across the health platform and feeds wellness or BioCharge-style insights.

Stress tracking is included in Samsung’s health sensor set, though the reviews provide feature evidence more than accuracy testing.

Design opinions are split: some reviewers liked the lightweight sporty look, while others called it generic, plain or chunky.

Style is divisive: some reviewers like the rugged, colorful, stylish look, while others find it bulky or not pretty.

Third-party app support remains limited, with mini-apps available but few big-name integrations.

Third-party app support is solid through Google Play, fitness apps such as Strava and Map My Run, and a growing Wear OS app selection.

Touchscreen response is generally fast and readable, but several reviewers found it too sensitive or awkward during runs.

Touchscreen responsiveness and gesture operation are described as intentional and straightforward in the long-term review evidence.

The user interface is improved and usable, but reviewers still flagged clutter, cheap visuals or a lack of slickness.

The user interface is improved and functional, though some reviewers dislike parts of the visual layout.

Value for money is one of the clearest strengths, with reviewers repeatedly praising the feature set for the price.

Value for money is the main weak point because reviewers repeatedly question the high price and minimal 2025 hardware changes.

Zepp Flow voice assistance is useful and surprisingly capable, but language, volume and phone-dependence limitations remain.

Voice assistant quality is a strength with Gemini, which reviewers describe as convenient, useful, and directly available on the wrist.

Watch faces are a strength, with attractive, customizable and plentiful options, although some require payment.

Watch faces are a strength, with reviewers praising quantity, customization, and Samsung’s polished face designs.

Water resistance is suitable for swimming, showering and shallow water use, but not high-speed water sports or diving.

Water resistance is a strong feature, with reviews citing 5ATM/10ATM ratings, IP68 claims, and pool/rain/snow use.

Wellness insights are helpful for casual exercisers through BioCharge, PAI and lifestyle guidance, though not clinical-grade.

Wellness insights are useful but uneven: sleep coaching and vascular load get interest, while energy score and antioxidant index receive skepticism.

Wi-Fi is missing, which limits standalone connectivity compared with more premium models.

Wi-Fi support is present across connectivity mentions, including LTE/Wi-Fi model references.

Workout variety is excellent, with 160-plus or 170-plus activity modes and niche sports repeatedly noted.

Workout variety is strong, with reviewers citing many tracked activities, multisport/triathlon capability, and broad exercise lists.