Fitbit Flex 2 vs. Casio WSD-F20A vs. Garmin Vivofit 4 vs. Garmin Vivosmart HR Plus
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| FitbitFlex 2Remove Buy Now | CasioWSD-F20ARemove Buy Now | GarminVivofit 4Remove Buy Now | GarminVivosmart HR PlusRemove Buy Now |
Basic Info | ||||
| Suggested Price | $100 | $399 | $79.95 | $179 |
| Release | 2016 | 2018 | 2018 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 1 day | 1 year | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | |||
| Mac | ||||
| Windows | ||||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | n/a | 320 x 320 | 88 x 88 | 160 x 68 |
| Size | n/a | 1.32 inches | NA | 0.5 inches x 0.8 inches |
| Touch | n/a | |||
| Type | LED | LCD | NA | LCD |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 5 ATM | 5 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | Wear OS | NA | |
| Apps | ||||
| Music | ||||