Casio WSD-F10 vs. Polar Loop 2 vs. Fitbit Flex vs. Polar A370 vs. Apple Watch Series 4
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| CasioWSD-F10Remove Buy Now | PolarLoop 2Remove Buy Now | FitbitFlexRemove Buy Now | PolarA370Remove Buy Now | AppleWatch Series 4Remove Buy Now |
Basic Info | |||||
| Suggested Price | $500 | $120 | $100 | $179.95 | $329 |
| Release | 2016 | 2015 | 2013 | 2017 | 2018 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | n/a | ||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | n/a | 8 days (without notifications) | 5 days | Up to 3 days | Not Yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | n/a | |||
| Windows | n/a | n/a | |||
Connectivity | |||||
| Bluetooth | n/a | ||||
| Cellular | n/a | ||||
| GPS | |||||
| NFC | n/a | ||||
| Wi-Fi | n/a | ||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | NA | 160 x 80 | 384 x 480 |
| Size | n/a | n/a | NA | 1.18 inches | 1.78 inches |
| Touch | n/a | NA | |||
| Type | LCD | LED | LED | TFT LCD | MicroLED |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | n/a | ||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 2 ATM | 1 ATM | WR30 | Not Yet |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Android Wear | n/a | NA | Watch OS 5 | |
| Apps | n/a | ||||
| Music | n/a | ||||