Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Apple Series 6 vs. Fitbit Sense 2
 | | | | | |
| FitbitFlexRemove Buy Now | PebbleCoreRemove Buy Now | PolarLoopRemove Buy Now | AppleSeries 6Remove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $99 | $100 | $399 | $300 |
| Release | 2013 | 2016 | 2013 | 2020 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | NA | 5 days | Not yet | 6 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | NA | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | NA | NA | NA | 384 x 480 | 336x336 |
| Size | NA | NA | NA | 40mm | 1.59 inches |
| Touch | NA | NA | |||
| Type | LED | NA | LED | MicroLED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 1 ATM | NA | 2 ATM | 5 ATM | |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | NA | NA | NA | WatchOS 5 | |
| Apps | |||||
| Music | |||||