Fitbit Alta vs. Fitbit Charge 2 vs. Withings Go vs. Polar Loop
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| FitbitAltaRemove Buy Now | FitbitCharge 2Remove Buy Now | WithingsGoRemove Buy Now | PolarLoopRemove Buy Now |
Basic Info | ||||
| Suggested Price | $130 | $150 | $80 | $100 |
| Release | 2016 | 2016 | 2016 | 2013 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 5 days | 8 months | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | n/a | |||
| iOS | n/a | |||
| Windows Phone | n/a | NA | ||
| Mac | n/a | NA | ||
| Windows | n/a | NA | ||
Connectivity | ||||
| Bluetooth | n/a | |||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | n/a | n/a | n/a | NA |
| Size | n/a | n/a | n/a | NA |
| Touch | n/a | n/a | n/a | |
| Type | OLED | OLED | E-Ink | LED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | n/a | |||
| Vibration | n/a | |||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | n/a | n/a | 5 ATM | 2 ATM |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | n/a | ||
| Texts | n/a | |||
Software | ||||
| Operating System | n/a | n/a | n/a | NA |
| Apps | n/a | |||
| Music | ||||