Consumer Score
In comparison:
Polar A300 ranks #25 out of 33.
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5.8
Average
Consumer Score
In comparison:
Scosche RHYTHM ranks #1 out of 33. Very high levels of customer satisfaction.
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8.7
Great
From Seller:
  • A300 Collection
  • Quartz Movement
  • 10 Meters / 30 Feet / 1 ATM Water Resistant
  • 37mm Case Diameter
  • Plastic Crystal
  • Read more
From Seller:
  • Heart Rate Monitor Armband Featuring a Large and Small Orange Strap.
  • Train Smart, get fit, the Scosche RHYTHM plus Heart rate monitor is an all new workout tool for managing heart rate, calories burned, distance, pace and more, accurately monitor your intensity level. RHYTHM plus works with most popular health and fitness apps, including: DigiFit Run keeper MapMyFitness Strava and more
  • Read more
From Manufacturer Manufacturer-provided product description, urls and documents.
No manufacturer information linked for Polar A300.
EAN Numbers: 0033991045637, 0033991050709, 0033991050716, 0033991050723, 0033991051720, 0033991053076, 0033991074439, 0634041382919, 0634041382926, 0634041382933, 0794628287287, 4055241885820
UPC Numbers: 033991045637, 033991050709, 033991050716, 033991050723, 033991051720, 033991053076, 033991074439, 634041382919, 634041382926, 634041382933, 794628287287
Model Numbers: 4332445877, 6325636069, RTHM1.9, RTHM1.9BL, RTHM1.9GN, RTHM19O, RTHM1-9RD
Physical Features
Style At first, fitness trackers were designed more for function than fashion, as they were geared towards fitness buffs to wear when exercising, so style wasn’t really a concern. Since then, fitness tracke ... Show more
On the Wrist
On the Wrist
Dimensions
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Weight

1.3 oz
 

4 oz
 
Software
Syncs Data Automatically The way that your tracker stores and syncs data is hugely important to the experience you have with your device. The most convenient trackers will sync data automatically and wirelessly to your smartp ... Show more
Yes
Yes
Compatibility What software platforms are compatible with it?
  • Mac OS X 10.6, OS X 10.7, OS X 10.8, and later
  • PC Windows XP, Windows 7, Windows 8, and later
  • Polar Flow web service
  • iPhone and Android apps
  • Fitness watches
  • Bike computers
  • Fitness equipment.
Third Party App Integration Getting the full picture of your health requires input from other sources other than the app associated with your tracker - tracking fitness is only part of living a healthy lifestyle. This might incl ... Show more
Yes
Strava, TrainingPeaks, Apple Health Kit, Google Fit, MyFitnessPal and MapMyFitness
Yes
DigiFit Run; MapMyFitness, Strava
Activity Detection The most basic fitness trackers measure steps, distance and calories... your general fitness needs. Beyond that, some will also detect when you are exercising, based on your heart rate and movements. ... Show more
  • Walking
  • Running
General fitness only
Sleep Tracking
Sleep Tracking Like activity tracking, sleep tracking is a common feature for most fitness trackers with much variation. The main difference between trackers is whether or not sleep is tracked automatically or manua ... Show more
Automatic
None
Advanced Sleep Metrics For devices that do track sleep, the quality of the metrics recorded varies. Some devices simply record the number of hours that you were asleep. Others go farther and tell you when you were in light, ... Show more
Yes
Sleep duration, stages (deep or light sleep) and pattern
No
Alarms & Reminders A small, but still significant, feature of fitness trackers is the ability set alarms or reminders. First, there are alarms to wake you up in the morning. Usually, these are silent, vibrating alarms o ... Show more
Yes
Silent vibrating alert
No
Premium Features
Water Resistant Fitness trackers are available at varying levels of water resistance. Some can’t get wet at all; some can be worn while you swim or shower. Trackers that are listed as “splash proof” can’t really get ... Show more
3 ATM - Rain, splashing, accidental submersion and showering. No swimming.
Yes
IP67
Heart-Rate Tracking Because you’re supposed to wear a fitness tracker all day, tracking your heart rate provides you with extremely valuable metrics. First, your resting heart rate is an indicator of how healthy you are. ... Show more
Via Chest Strap
Polar Heart Rate sensor sold separately
Automatic - Optical
GPS For the more advanced athlete, a GPS-enabled fitness tracker is a must. Regular devices cannot track pace, intervals, elevation, or even distance accurately—stats that are hugely important to avid run ... Show more
No
No
Music Player A much less common feature, but still notable, is the potential to upload and store music on your fitness tracker. This can only be found on the most advanced trackers (and thus will come with a large ... Show more
No
No
Display

The type of display or screen on fitness trackers varies widely by brand and price point—from a few LED lights to full color touchscreens. The main benefit of a screen is being able to read the time and your fitness stats any time of the day without needing to open an app on your phone or plug the tracker into your computer. This could be a positive or negative—some people prefer not to see progress and feel rewarded when they finally look at results and meet their goal. Others need a constant reminder of their status to push them to reach their goals. It’s totally up to you.

Oftentimes, you can also read smartphone notifications on a screen, depending on how advanced the tracker is. Every tracker will differ on what information is shown on the display, whether it’s the time, steps, heart rate, or other goals. Some will be a touchscreen, some will not. These aspects mainly affect ease of use, and will vary in importance by person. Finally, a display will also drain your battery more quickly, and come with a higher price tag.

Display Does the tracker have a screen?
Black & White Display
No Display
Touchscreen Is the display a touchscreen?
No
No
Smartphone Notifications As fitness trackers become more advanced, and as smart watches become more popular, the lines between the two are blurring, especially when it comes to linked capabilities between the device and your ... Show more
Yes
No
Battery

For fitness trackers, batteries vary widely. Some trackers have rechargeable batteries that last anywhere from hours to days. Others take coin cell batteries like you would find a regular watch, which last a few months to a year. Needing to purchase and replace batteries can be a hassle… but so can plugging in your device every five or so days via USB cable to recharge it. Remembering to take the device off, charge it, and then remembering to put it back on, can seriously interrupt your fitness routine, especially if you’re worried you’ll forget it. Plys, if you want consistent sleep tracking, you don’t want to be charging it overnight. Both options have advantages and disadvantages to keep in mind while you compare options.

Battery Life How long does the battery last?
28 days
8 hours
Type of Battery
Rechargeable
Rechargeable
Additional info
Additional Features Any other features to note.
  • Running program in Polar Flow where you choose from 5K, 10K, half marathon and marathon that suits your training plan.
  • Memory capacity up to 60 days
  • ANT+ Compatible
  • Green/Yellow optical sensor array that provides accurate measurement for all skin types and tones.
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