Fitbit Ionic vs. Fitbit Flex vs. Polar Loop vs. Fitbit Sense 2
 | | | | |
| FitbitIonicRemove Buy Now | FitbitFlexRemove Buy Now | PolarLoopRemove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | ||||
| Suggested Price | $299 | $100 | $100 | $300 |
| Release | 2017 | 2013 | 2013 | 2022 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 4+ days | 5 days | 5 days | 6 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 348x250 | NA | NA | 336x336 |
| Size | 1.42 | NA | NA | 1.59 inches |
| Touch | NA | |||
| Type | OLED | LED | LED | AMOLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 50m | 1 ATM | 2 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | Fitbit OS | NA | NA | |
| Apps | ||||
| Music | ||||