Fitbit Flex vs. Jawbone UP24 vs. Jawbone UP4 vs. Polar Loop
 | | | | |
| FitbitFlexRemove Buy Now | JawboneUP24Remove Buy Now | JawboneUP4Remove Buy Now | PolarLoopRemove Buy Now |
Basic Info | ||||
| Suggested Price | $100 | $130 | $200 | $100 |
| Release | 2013 | 2013 | 2015 | 2013 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 14 days | NA | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | NA | NA | NA |
| Mac | NA | NA | NA | |
| Windows | NA | NA | NA | |
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | NA | NA | NA | NA |
| Size | NA | NA | NA | NA |
| Touch | NA | NA | NA | |
| Type | LED | NA | NA | LED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 1 ATM | Splash Resistant | NA | 2 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | NA | NA | NA | NA |
| Apps | ||||
| Music | NA | |||