Fitbit Ionic vs. Casio WSD-F20A vs. Fitbit Flex vs. Pebble Core
 | | | | |
| FitbitIonicRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitFlexRemove Buy Now | PebbleCoreRemove Buy Now |
Basic Info | ||||
| Suggested Price | $299 | $399 | $100 | $99 |
| Release | 2017 | 2018 | 2013 | 2016 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | NA | |||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | NA | |||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 4+ days | 1 day | 5 days | NA |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | NA | |||
| Windows Phone | NA | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | 348x250 | 320 x 320 | NA | NA |
| Size | 1.42 | 1.32 inches | NA | NA |
| Touch | NA | NA | ||
| Type | OLED | LCD | LED | NA |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | NA | |||
| Vibration | NA | |||
| Voice | ||||
Hardware | ||||
| Accelerometer | NA | |||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 50m | 5 ATM | 1 ATM | NA |
Notifications | ||||
| Phone | NA | |||
| Emails | NA | |||
| Texts | NA | |||
Software | ||||
| Operating System | Fitbit OS | Wear OS | NA | NA |
| Apps | ||||
| Music | ||||