Polar M430 vs. Casio G-Shock GBA800 vs. Fitbit Flex vs. Sony SmartBand
 | | | | |
| PolarM430Remove Buy Now | CasioG-Shock GBA800Remove Buy Now | FitbitFlexRemove Buy Now | SonySmartBandRemove Buy Now |
Basic Info | ||||
| Suggested Price | $255 | $120 | $100 | $100 |
| Release | 2017 | 2018 | 2013 | 2014 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 30 hours | 2 years | 5 days | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | NA | NA | ||
| Mac | NA | |||
| Windows | NA | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | NA | |||
| Resolution | 128x128 | NA | NA | |
| Size | 1.4 inch | NA | NA | |
| Touch | NA | NA | ||
| Type | LCD | LED | NA | |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | WR30 | 20 ATM | 1 ATM | IP58 |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | NA | NA | ||
| Apps | ||||
| Music | ||||