Casio WSD-F20A vs. Polar A370 vs. Polar Loop
 | | | |
| CasioWSD-F20ARemove Buy Now | PolarA370Remove Buy Now | PolarLoopRemove Buy Now |
Basic Info | |||
| Suggested Price | $399 | $179.95 | $100 |
| Release | 2018 | 2017 | 2013 |
Activity & Fitness | |||
| Calories | |||
| Cycling (Bicycling) | |||
| Distance | |||
| Heart | |||
| Oxygen | |||
| Sleep | |||
| Steps | |||
| Swim | |||
Battery | |||
| Duration | 1 day | Up to 3 days | 5 days |
| Rechargeable | |||
Compatibility | |||
| Android | |||
| iOS | |||
| Windows Phone | NA | ||
| Mac | NA | ||
| Windows | NA | ||
Connectivity | |||
| Bluetooth | |||
| Cellular | |||
| GPS | |||
| NFC | |||
| Wi-Fi | |||
Display | |||
| Color | |||
| Resolution | 320 x 320 | 160 x 80 | NA |
| Size | 1.32 inches | 1.18 inches | NA |
| Touch | |||
| Type | LCD | TFT LCD | LED |
Functions | |||
| Audio Speaker | |||
| Clock | |||
| Phone | |||
| Vibration | |||
| Voice | |||
Hardware | |||
| Accelerometer | |||
| Barometer or Altimeter | |||
| Ultraviolet Sensor | |||
| Water Resistance | 5 ATM | WR30 | 2 ATM |
Notifications | |||
| Phone | |||
| Emails | |||
| Texts | |||
Software | |||
| Operating System | Wear OS | NA | |
| Apps | |||
| Music | |||