Fitbit Charge vs. Polar A370 vs. Apple Watch 7
 | | | |
| FitbitChargeRemove Buy Now | PolarA370Remove Buy Now | AppleWatch 7Remove Buy Now |
Basic Info | |||
| Suggested Price | $130 | $179.95 | $429 |
| Release | 2014 | 2017 | 2021 |
Activity & Fitness | |||
| Calories | |||
| Cycling (Bicycling) | |||
| Distance | |||
| Heart | |||
| Oxygen | |||
| Sleep | |||
| Steps | |||
| Swim | |||
Battery | |||
| Duration | 7-10 days | Up to 3 days | 18 Hours |
| Rechargeable | |||
Compatibility | |||
| Android | |||
| iOS | |||
| Windows Phone | NA | ||
| Mac | |||
| Windows | |||
Connectivity | |||
| Bluetooth | |||
| Cellular | |||
| GPS | |||
| NFC | |||
| Wi-Fi | |||
Display | |||
| Color | |||
| Resolution | NA | 160 x 80 | 396 x 484 |
| Size | NA | 1.18 inches | 1.9 inches |
| Touch | NA | ||
| Type | OLED | TFT LCD | MicroLED |
Functions | |||
| Audio Speaker | |||
| Clock | |||
| Phone | |||
| Vibration | |||
| Voice | |||
Hardware | |||
| Accelerometer | |||
| Barometer or Altimeter | |||
| Ultraviolet Sensor | |||
| Water Resistance | 1 ATM | WR30 | water resistant but not waterproof |
Notifications | |||
| Phone | |||
| Emails | |||
| Texts | |||
Software | |||
| Operating System | NA | WatchOS 8 | |
| Apps | |||
| Music | |||