Fitbit Flex 2 vs. Polar Loop 2 vs. Polar Loop vs. Apple Watch Series 4 vs. Apple SE (2022)
 | | | | | |
| FitbitFlex 2Remove Buy Now | PolarLoop 2Remove Buy Now | PolarLoopRemove Buy Now | AppleWatch Series 4Remove Buy Now | AppleSE (2022)Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $120 | $100 | $329 | $249 |
| Release | 2016 | 2015 | 2013 | 2018 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 8 days (without notifications) | 5 days | Not Yet | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | 368 x 448 pixels | |||
| Resolution | n/a | n/a | NA | 384 x 480 | 40mm |
| Size | n/a | n/a | NA | 1.78 inches | |
| Touch | n/a | LTPO OLED Retina | |||
| Type | LED | LED | LED | MicroLED | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | 5 ATM | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 2 ATM | 2 ATM | Not Yet | |
Notifications | |||||
| Phone | |||||
| Emails | WatchOS 8.1 | ||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | NA | Watch OS 5 | |
| Apps | |||||
| Music | |||||