Fitbit Flex vs. Pebble Core vs. Polar Loop vs. Apple Watch 7 vs. Fitbit Sense 2
 | | | | | |
| FitbitFlexRemove Buy Now | PebbleCoreRemove Buy Now | PolarLoopRemove Buy Now | AppleWatch 7Remove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $99 | $100 | $429 | $300 |
| Release | 2013 | 2016 | 2013 | 2021 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | NA | 5 days | 18 Hours | 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 | 396 x 484 | 336x336 |
| Size | NA | NA | NA | 1.9 inches | 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 | |||||
| Water Resistance | 1 ATM | NA | 2 ATM | water resistant but not waterproof | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | NA | NA | NA | WatchOS 8 | |
| Apps | |||||
| Music | |||||