Polar A360 vs. Fitbit Charge vs. Apple Watch Series 4 vs. Amazfit GTR vs. Apple SE (2022)
 | | | | | |
| PolarA360Remove Buy Now | FitbitChargeRemove Buy Now | AppleWatch Series 4Remove Buy Now | AmazfitGTRRemove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $130 | $329 | $199 | $249 |
| Release | 2015 | 2014 | 2018 | 2019 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 12 days | 7-10 days | Not Yet | 24 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | |||||
| Windows | |||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | 368 x 448 pixels | ||||
| Resolution | 160 x 80 | NA | 384 x 480 | 454 x 454 | 40mm |
| Size | 1.18 inches | NA | 1.78 inches | 1.39 inches | |
| Touch | NA | LTPO OLED Retina | |||
| Type | n/a | OLED | MicroLED | AMOLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | WR30 | 1 ATM | Not Yet | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | NA | Watch OS 5 | Build-in | |
| Apps | |||||
| Music | |||||