Fitbit Flex vs. Pebble Core vs. Polar A370 vs. Garmin Forerunner 45 vs. Apple Series 6
 | | | | | |
| FitbitFlexRemove Buy Now | PebbleCoreRemove Buy Now | PolarA370Remove Buy Now | GarminForerunner 45Remove Buy Now | AppleSeries 6Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $99 | $179.95 | $199 | $399 |
| Release | 2013 | 2016 | 2017 | 2019 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | NA | Up to 3 days | 7 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | NA | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | NA | NA | 160 x 80 | 208 x 208 | 384 x 480 |
| Size | NA | NA | 1.18 inches | 1.04 inches | 40mm |
| Touch | NA | NA | |||
| Type | LED | NA | TFT LCD | LCD | MicroLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 1 ATM | NA | WR30 | 5 ATM | |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | NA | NA | Built-in | WatchOS 5 | |
| Apps | |||||
| Music | |||||