Apple Watch Series 2 vs. Fitbit Ionic vs. Asus ZenWatch vs. Casio WSD-F20A vs. Fitbit Flex
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| AppleWatch Series 2Remove Buy Now | FitbitIonicRemove Buy Now | AsusZenWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $269 | $299 | $150 | $399 | $100 |
| Release | 2016 | 2017 | 2014 | 2018 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 18 hours | 4+ days | NA | 1 day | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | NA | |||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 340 x 272 or 390 x 312 | 348x250 | 320 x 320 | 320 x 320 | NA |
| Size | 1.5 inches or 1.65 inches | 1.42 | 1.63 inches | 1.32 inches | NA |
| Touch | NA | ||||
| Type | AMOLED | OLED | AMOLED | LCD | LED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5ATM | 50m | IP55 | 5 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | Watch OS | Fitbit OS | Android Wear | Wear OS | NA |
| Apps | |||||
| Music | |||||