Average score
Product 1: Polar Pacer Pro
3.5
Product 2: Garmin Forerunner 570
4.2
app ecosystem
Product 1: Polar Pacer Pro
4.7

Polar Flow is repeatedly described as a deep and capable ecosystem, with both phone and web tools supporting detailed workout analysis.

Product 2: Garmin Forerunner 570
3.7

The app ecosystem is useful but not expansive. Reviewers mention ConnectIQ apps and data fields, while also noting that Garmin’s ecosystem feels more limited than watchOS or Wear OS.

band quality
Product 1: Polar Pacer Pro
4.4

Reviewers praise the strap for airflow and running comfort, highlighting perforation, stretch, and race-friendly wear.

Product 2: Garmin Forerunner 570
4.5

Band quality is good, with soft silicone straps and positive comments about long-term wear and durability.

battery life
Product 1: Polar Pacer Pro
3.2

Battery life usually lands around five to seven days with roughly 35 hours of GPS, useful but commonly described as average rather than class-leading.

Product 2: Garmin Forerunner 570
3.2

Battery life is the biggest tradeoff. Some reviewers still found it good in normal use, but many say the brighter screen makes it noticeably weaker than the 265, especially with always-on display.

blood oxygen tracking
Product 1: Polar Pacer Pro
1.0

Reviews explicitly note that the watch lacks built-in blood oxygen or oxygen saturation tracking.

Product 2: Garmin Forerunner 570
4.0

The watch includes blood-oxygen-related health sensing, with reviewers mentioning a pulse oximeter and overnight blood-oxygen or saturation tracking as part of the health stack.

Bluetooth connectivity
Product 1: Polar Pacer Pro
4.0

Bluetooth setup is straightforward and the watch supports Bluetooth pairing for phones and compatible sensors.

Product 2: Garmin Forerunner 570
4.3

Bluetooth support is functional for phone-linked features and external sensor pairing, including Bluetooth and ANT+ accessory support.

brightness
Product 1: Polar Pacer Pro
4.2

The screen is generally described as bright enough for outdoor use, though it is still not a vivid AMOLED-style display.

Product 2: Garmin Forerunner 570
4.9

Brightness is a standout strength, with multiple reviews describing the screen as one of Garmin’s brightest and easiest to read outdoors.

build quality
Product 1: Polar Pacer Pro
4.2

The Pacer Pro is broadly seen as well built for a lightweight sports watch, with a durable and practical construction.

Product 2: Garmin Forerunner 570
4.6

Build quality feels premium for the line, with one review explicitly describing it as a high-quality watch.

button controls
Product 1: Polar Pacer Pro
4.5

Physical controls are a strength, with reviewers liking the button-based layout for training and navigation.

Product 2: Garmin Forerunner 570
4.7

Button controls are one of the watch’s practical strengths. Reviewers like the five-button layout and say it works reliably when touch is less convenient.

call handling
Product 1: Polar Pacer Pro
2.5

Phone-call handling is limited to one-way call notifications rather than full calling features.

Product 2: Garmin Forerunner 570
4.0

Call support is a useful upgrade rather than a must-have killer feature. Reviewers generally found wrist calls workable and clear enough when paired to a phone.

calorie tracking usefulness
Product 1: Polar Pacer Pro
4.1

Calorie and fueling data are seen as useful because Polar breaks effort down into energy-source or workout-fueling insights, not just a raw calorie total.

Product 2: Garmin Forerunner 570
No score yet
charging convenience
Product 1: Polar Pacer Pro
2.1

Charging works, but the new connector is a weak point, with reviewers describing it as less secure or a step back from older Polar chargers.

Product 2: Garmin Forerunner 570
2.8

Charging convenience is less impressive. Reviewers specifically wanted wireless charging and also called out the proprietary cable setup.

charging speed
Product 1: Polar Pacer Pro
3.3

Charging speed is mixed in the reviews, with some praise for fast top-ups and others calling full charging slow.

Product 2: Garmin Forerunner 570
4.5

Charging speed is fine in practice, with one long-term reviewer saying it can top up from empty to full during a shower.

coaching features
Product 1: Polar Pacer Pro
4.4

FitSpark, guided workouts, and training guidance are repeatedly praised as practical coaching tools for runners and general fitness users.

Product 2: Garmin Forerunner 570
4.6

Coaching features are well developed, especially for runners and triathletes. Garmin Coach plans, daily suggestions, and structured guidance were consistently praised.

comfort
Product 1: Polar Pacer Pro
4.3

Comfort is a consistent strength, with the watch frequently described as light, wearable, and easy to keep on day and night.

Product 2: Garmin Forerunner 570
4.6

Comfort is a major plus. Across sizes and use cases, reviewers repeatedly say the watch is easy to wear for workouts, daily use, and even overnight.

companion app quality
Product 1: Polar Pacer Pro
3.6

Polar Flow offers rich detail and clear metric explanations, though some reviewers still find the companion app less intuitive than rival apps.

Product 2: Garmin Forerunner 570
4.0

Garmin Connect is usually viewed positively for depth and data richness, though the new subscription layer is a recurring annoyance in the reviews.

contactless payments
Product 1: Polar Pacer Pro
1.0

Reviews explicitly say payment features are not included.

Product 2: Garmin Forerunner 570
4.3

NFC payments are available, giving the watch a useful everyday smartwatch feature beyond training tools.

cross-platform compatibility
Product 1: Polar Pacer Pro
4.0

The watch is presented as working with both Android and iOS through Polar Flow.

Product 2: Garmin Forerunner 570
4.4

Cross-platform support looks good overall, with smooth iPhone use noted in one review and phone-assistant access highlighted in another.

customization options
Product 1: Polar Pacer Pro
4.2

Customization is solid, especially for sport profiles, exercise screens, and default watch-face choices.

Product 2: Garmin Forerunner 570
4.5

Customization is a strength. Reviews mention editable glance folders, assignable shortcuts, and flexible watch-face or data layout changes.

display quality
Product 1: Polar Pacer Pro
3.3

The display is readable and improved over older Polar models, but reviewers still note that it can look dull or unexciting next to stronger screens.

Product 2: Garmin Forerunner 570
4.8

Display quality is excellent. Reviewers repeatedly call the AMOLED screen brighter, sharper, clearer, and more vivid than the previous generation.

durability
Product 1: Polar Pacer Pro
4.0

Durability is considered good for a lightweight sports watch, with reviewers noting protective materials or ruggedness claims.

Product 2: Garmin Forerunner 570
4.6

Durability impressions are positive. Reviewers mention scratch resistance, pristine condition after use, and very little visible wear over time.

ECG functionality
Product 1: Polar Pacer Pro
1.0

Reviews explicitly note that ECG hardware is not included.

Product 2: Garmin Forerunner 570
1.5

ECG is a clear miss. Reviewers repeatedly call out that the Forerunner 570 lacks ECG despite using Garmin’s newer sensor hardware.

fit
Product 1: Polar Pacer Pro
3.5

Fit is generally good on a wide range of wrists, though at least one reviewer still found it less ideal than other Polar models.

Product 2: Garmin Forerunner 570
4.8

Fit is excellent when sized correctly, with reviewers describing the watch as secure, flush on the wrist, and almost second-skin-like.

fitness tracking accuracy
Product 1: Polar Pacer Pro
3.8

Fitness-test usefulness is mixed: reviewers like the performance-testing tools, but accuracy and interpretation are not universally convincing.

Product 2: Garmin Forerunner 570
4.7

Fitness tracking is broadly praised, with one review calling the core tracking accuracy second to none for the watch’s main sports focus.

GPS accuracy
Product 1: Polar Pacer Pro
3.8

GPS performance is generally good to very good for the price, but several reviews still mention wobble, noise, or results that are not best in class.

Product 2: Garmin Forerunner 570
4.8

GPS accuracy is one of the strongest areas. Across city runs, trails, and side-by-side tests, reviews consistently describe tracking as excellent, flawless, or near flawless.

health tracking accuracy
Product 1: Polar Pacer Pro
3.4

General health tracking is described as useful and often reliable, but not every reviewer was impressed by the scientific accuracy of all wellness metrics.

Product 2: Garmin Forerunner 570
4.3

Health stats are generally described as good, with one data-driven review calling overall stat accuracy solid and another saying heart-rate and sleep-stage tracking are pretty good.

heart rate accuracy
Product 1: Polar Pacer Pro
3.7

Heart-rate tracking is usually rated good for steady efforts, but repeated reviews warn that intensity spikes or tougher conditions can reduce accuracy.

Product 2: Garmin Forerunner 570
4.6

Heart-rate tracking is a major strength. Multiple reviewers say it stays close to chest straps, performs well in intervals, and is one of Garmin’s better recent sensors.

materials quality
Product 1: Polar Pacer Pro
4.0

Materials feel appropriate for the price, with the aluminum bezel helping the Pro look and feel more premium than simpler models.

Product 2: Garmin Forerunner 570
4.4

Material choices are a step up from older mid-range Forerunners, especially the aluminum bezel and sturdier-feeling case construction.

menu navigation
Product 1: Polar Pacer Pro
4.2

Menu navigation is commonly described as easy to learn and straightforward once the button layout is familiar.

Product 2: Garmin Forerunner 570
4.6

Menu navigation is easy to learn and generally straightforward, helped by the refreshed layout and button-plus-touch design.

music controls
Product 1: Polar Pacer Pro
4.0

Phone-based music controls work well and are easy to access during workouts, but they rely on a connected phone.

Product 2: Garmin Forerunner 570
4.1

Music controls are present and usable, including the ability to check what is playing from services like Spotify.

onboard music storage
Product 1: Polar Pacer Pro
1.0

Reviews repeatedly state that the watch does not offer onboard music storage.

Product 2: Garmin Forerunner 570
4.0

Onboard music storage is useful but not generous. Reviews note 8GB of storage and MP3 support, with some calling the capacity a bit stingy.

operating system experience
Product 1: Polar Pacer Pro
4.2

The overall operating experience is seen as faster and more responsive than earlier mid-range Polar watches.

Product 2: Garmin Forerunner 570
4.6

The overall software experience is modern and capable. Reviewers describe it as faster, more polished, and close in feel to Garmin’s higher-end models.

outdoor visibility
Product 1: Polar Pacer Pro
4.2

Outdoor visibility is a strong point, with the screen repeatedly described as easy to read in sun and bright conditions.

Product 2: Garmin Forerunner 570
4.9

Outdoor visibility is excellent, with reviewers saying the display remains easy to read in bright sunlight and other tough conditions.

pairing reliability
Product 1: Polar Pacer Pro
4.1

Pairing and syncing are generally dependable, with fast GPS lock and straightforward phone setup mentioned positively.

Product 2: Garmin Forerunner 570
3.4

Pairing reliability is mixed. One reviewer found syncing smooth and seamless, while another reported repeated disconnect-and-reconnect behavior.

recovery insights
Product 1: Polar Pacer Pro
4.3

Nightly Recharge and related recovery tools are among the most praised parts of the watch, giving usable readiness feedback and training context.

Product 2: Garmin Forerunner 570
4.6

Recovery guidance is strong. Reviews highlight training readiness, recovery time, and daily summaries that help frame when to push and when to back off.

reliability
Product 1: Polar Pacer Pro
4.0

In day-to-day use the watch is generally portrayed as dependable, with few major usability issues once set up.

Product 2: Garmin Forerunner 570
4.7

General reliability is strong, with reviewers saying the watch can be relied on for training and that key controls remain responsive even after submersion.

safety features
Product 1: Polar Pacer Pro
3.8

Back to Start and basic route guidance add useful safety-oriented navigation, though the implementation is simpler than full mapping or advanced trackback tools.

Product 2: Garmin Forerunner 570
4.4

Safety coverage includes Garmin’s Incident Detection and LiveTrack features for activity sharing and emergency notifications.

size options
Product 1: Polar Pacer Pro
3.3

Size flexibility is modest: reviewers mention multiple strap lengths or fit ranges, but not multiple watch-case sizes.

Product 2: Garmin Forerunner 570
4.1

Two case sizes broaden the fit range, and multiple reviewers specifically call out the benefit of having both 42mm and 47mm options.

sleep tracking accuracy
Product 1: Polar Pacer Pro
3.7

Sleep tracking gets both praise and pushback: some reviews compare it favorably with other wearables, while stricter testing judged it only average.

Product 2: Garmin Forerunner 570
3.7

Sleep tracking is useful but not flawless. Reviews say it is reasonably accurate and helpful for readiness, though some found it less robust than the best sleep-focused competitors.

smartphone notifications
Product 1: Polar Pacer Pro
3.3

Notifications work and are useful for texts and alerts, but they are one-way and not especially advanced.

Product 2: Garmin Forerunner 570
3.5

Notifications work, but the experience is mixed. Some reviewers had smooth delivery, while others found text truncated or alerts too persistent on screen.

smartwatch features
Product 1: Polar Pacer Pro
3.0

Smartwatch extras are present but limited, with weather, notifications, and music control available while richer smartwatch capabilities are absent.

Product 2: Garmin Forerunner 570
4.3

Smartwatch features are improved meaningfully with the added speaker, microphone, voice tools, and day-to-day conveniences, even if the watch still prioritizes sport over general smartwatch depth.

software smoothness
Product 1: Polar Pacer Pro
4.5

Software performance is a clear improvement, with reviewers often calling the watch faster, smoother, and less laggy than older Polar models.

Product 2: Garmin Forerunner 570
2.9

Software smoothness is generally strong, but not perfect. Some reviews call the experience polished, while others report crashes or temporary unresponsiveness in edge cases.

step counting accuracy
Product 1: Polar Pacer Pro
3.5

Step counting looks acceptable in casual comparisons, but more controlled testing found it only average rather than standout.

Product 2: Garmin Forerunner 570
4.4

Step counting looked solid in direct testing, with one reviewer finding the watch was off by only around 40 steps in repeated checks.

stress tracking
Product 1: Polar Pacer Pro
1.8

Stress-related support is limited: there are breathing or recovery tools, but dedicated stress tracking is absent.

Product 2: Garmin Forerunner 570
4.2

Stress is part of the recovery picture rather than a headline feature, with one reviewer specifically noting that stress levels feed into the watch’s overall readiness guidance.

style and design
Product 1: Polar Pacer Pro
3.2

Design opinion is mixed: the watch is light and sporty, but several reviewers call the look plain or criticize the large bezel.

Product 2: Garmin Forerunner 570
4.6

The design is widely liked. Reviewers highlight the brighter colors, more expressive styling, and a look that feels more refined than past Forerunners.

third-party app support
Product 1: Polar Pacer Pro
4.2

Third-party support is a plus, with recurring mentions of Strava, TrainingPeaks, Komoot, and phone-audio apps.

Product 2: Garmin Forerunner 570
4.5

Third-party service support is solid for a sports watch, with repeated mentions of Spotify, Deezer, Amazon Music, and YouTube Music support.

touchscreen responsiveness
Product 1: Polar Pacer Pro
1.0

The Pacer Pro uses buttons instead of a touchscreen, so touch responsiveness is not part of the experience.

Product 2: Garmin Forerunner 570
4.5

Touch response is consistently described as responsive and easy to use, especially alongside the physical-button setup.

user interface
Product 1: Polar Pacer Pro
4.5

The interface is generally praised for being simple, accessible, and easy to understand once the button scheme is learned.

Product 2: Garmin Forerunner 570
4.4

The interface is widely praised for feeling slicker, cleaner, more intuitive, and more modern than older Garmin implementations.

value for money
Product 1: Polar Pacer Pro
4.5

Value is a recurring strength, with reviewers repeatedly saying the Pacer Pro packs high-end Polar features into a more affordable price point.

Product 2: Garmin Forerunner 570
2.7

Value for money is the main weakness. Most reviews say the watch is too expensive for what it adds over the 265, though a small number of owners still felt very happy with the purchase.

voice assistant quality
Product 1: Polar Pacer Pro
1.0

Voice-assistant support is explicitly absent.

Product 2: Garmin Forerunner 570
4.0

Voice features are mostly good for simple commands, timers, and phone-assistant access, though one reviewer reported crashes and awkward behavior with the phone assistant.

watch face quality
Product 1: Polar Pacer Pro
3.0

Watch-face options are functional rather than flashy, offering basic customization without a premium visual experience.

Product 2: Garmin Forerunner 570
4.6

Watch-face customization is strong, with reviewers calling the default face clean and noting that layouts and displayed data can be tailored easily.

water resistance
Product 1: Polar Pacer Pro
4.0

Water resistance is consistently described as solid for normal swimming and everyday wet use.

Product 2: Garmin Forerunner 570
4.4

Water resistance is solid for swimming use. Reviews mention pool use, open-water suitability, and repeated use in lakes or the ocean without issue.

wellness insights
Product 1: Polar Pacer Pro
4.2

Wellness insight features such as Nightly Recharge and daily wellness tracking are considered useful and fairly comprehensive for training-focused users.

Product 2: Garmin Forerunner 570
4.6

Wellness insights are a standout. Body Battery, Sleep Score, energy level, and broader readiness-style insights were repeatedly cited as genuinely useful.

workout tracking variety
Product 1: Polar Pacer Pro
4.5

Workout coverage is a major strength, with multisport support and a broad range of sport profiles repeatedly highlighted.

Product 2: Garmin Forerunner 570
4.8

Workout coverage is excellent. Reviewers repeatedly mention broad activity support, triathlon and multisport tools, and dozens of sport modes.