Polar M400 vs. Polar M600 vs. Fitbit Ionic vs. Fossil Explorist
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| PolarM400Remove Buy Now | PolarM600Remove Buy Now | FitbitIonicRemove Buy Now | FossilExploristRemove Buy Now |
Basic Info | ||||
| Suggested Price | $200 | $330 | $299 | $255 |
| Release | 2014 | 2016 | 2017 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 8 hours to 30 days | 2 days | 4+ days | 24 hours |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | ||||
| Windows | ||||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 240 x 240 | 348x250 | 454 x454 |
| Size | n/a | 1.3 inches | 1.42 | 1.4 inches |
| Touch | n/a | |||
| Type | n/a | TFT | OLED | AMOLED |
Functions | ||||
| Audio Speaker | Alerts only | Alerts only | ||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 3 ATM | IPX8 | 50m | IP67 |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | Android Wear | Fitbit OS | Wear OS |
| Apps | ||||
| Music | ||||