Polar A360 vs. ASUS ZenWatch 3 vs. Casio WSD-F20A vs. Fitbit Flex vs. Garmin Vivosmart 4
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| PolarA360Remove Buy Now | ASUSZenWatch 3Remove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitFlexRemove Buy Now | GarminVivosmart 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $229 | $399 | $100 | $130 |
| Release | 2015 | 2017 | 2018 | 2013 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 12 days | 48 hours | 1 day | 5 days | 7 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | Yes | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 160 x 80 | 400 x 400 | 320 x 320 | NA | 48 x 128 |
| Size | 1.18 inches | 1.39 inches | 1.32 inches | NA | 0.74 inches |
| Touch | NA | ||||
| Type | n/a | AMOLED | LCD | LED | OLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | WR30 | 5 ATM | 1 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Android Wear 2 | Wear OS | NA | |
| Apps | |||||
| Music | |||||