Polar Loop 2 vs. Apple Watch vs. Amazfit GTR vs. Apple Series 6 vs. Fitbit Sense 2
 | | | | | |
| PolarLoop 2Remove Buy Now | AppleWatchRemove Buy Now | AmazfitGTRRemove Buy Now | AppleSeries 6Remove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | |||||
| Suggested Price | $120 | $349 | $199 | $399 | $300 |
| Release | 2015 | 2015 | 2019 | 2020 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 days (without notifications) | 18 hours | 24 days | Not yet | 6 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | |||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 340 x 272 or 390 x 312 | 454 x 454 | 384 x 480 | 336x336 |
| Size | n/a | 1.5 inches or 1.65 inches | 1.39 inches | 40mm | 1.59 inches |
| Touch | |||||
| Type | LED | AMOLED | AMOLED | MicroLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 2 ATM | IPX7 | 5 ATM | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | Watch OS | Build-in | WatchOS 5 | |
| Apps | |||||
| Music | |||||