Fitbit Flex vs. Garmin Vivofit 4 vs. Jawbone UP4 vs. Pebble Core vs. Polar Loop
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| FitbitFlexRemove Buy Now | GarminVivofit 4Remove Buy Now | JawboneUP4Remove Buy Now | PebbleCoreRemove Buy Now | PolarLoopRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $79.95 | $200 | $99 | $100 |
| Release | 2013 | 2018 | 2015 | 2016 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 1 year | NA | NA | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| 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 | 88 x 88 | NA | NA | NA |
| Size | NA | NA | NA | NA | NA |
| Touch | NA | NA | NA | ||
| Type | LED | NA | NA | NA | LED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 1 ATM | 5 ATM | NA | NA | 2 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | NA | NA | NA | NA | |
| Apps | |||||
| Music | NA | ||||