Polar M400 vs. Asus VivoWatch vs. Fitbit Charge vs. Polar Loop vs. Swatch Touch Zero One
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| PolarM400Remove Buy Now | AsusVivoWatchRemove Buy Now | FitbitChargeRemove Buy Now | PolarLoopRemove Buy Now | SwatchTouch Zero OneRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $160 | $130 | $100 | $220 |
| Release | 2014 | 2018 | 2014 | 2013 | 2015 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 8 hours to 30 days | 24 hours to 10 days | 7-10 days | 5 days | n/a |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | NA | NA | NA | n/a |
| Mac | NA | NA | n/a | ||
| Windows | NA | NA | n/a | ||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | 128 x 128 | NA | NA | n/a |
| Size | n/a | NA | NA | NA | n/a |
| Touch | NA | ||||
| Type | n/a | NA | OLED | LED | n/a |
Functions | |||||
| Audio Speaker | Alerts only | n/a | |||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | NA | n/a | |||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | IP67 | 1 ATM | 2 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | KoodOS | NA | NA | n/a |
| Apps | |||||
| Music | n/a | ||||