Fitbit Flex 2 vs. Amazfit Bip vs. Asus ZenWatch vs. Garmin Vivosport vs. Polar Loop
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| FitbitFlex 2Remove Buy Now | AmazfitBipRemove Buy Now | AsusZenWatchRemove Buy Now | GarminVivosportRemove Buy Now | PolarLoopRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $99.99 | $150 | $199 | $100 |
| Release | 2016 | 2018 | 2014 | 2017 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 30 days | NA | 7 days | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 176 x 176 | 320 x 320 | 72 x 144 | NA |
| Size | n/a | 1.28 inches | 1.63 inches | NA | NA |
| Touch | n/a | ||||
| Type | LED | NA | AMOLED | MIP | LED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | IP68 | IP55 | 5 ATM | 2 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Android Wear | NA | ||
| Apps | |||||
| Music | |||||