Polar M400 vs. Apple Watch 7
 | | |
| PolarM400Buy Now | AppleWatch 7Buy Now |
Basic Info | ||
| Suggested Price | $200 | $429 |
| Release | 2014 | 2021 |
Activity & Fitness | ||
| Calories | ||
| Cycling (Bicycling) | ||
| Distance | ||
| Heart | n/a | |
| Oxygen | ||
| Sleep | ||
| Steps | ||
| Swim | ||
Battery | ||
| Duration | 8 hours to 30 days | 18 Hours |
| Rechargeable | ||
Compatibility | ||
| Android | ||
| iOS | ||
| Windows Phone | n/a | |
| Mac | ||
| Windows | ||
Connectivity | ||
| Bluetooth | ||
| Cellular | ||
| GPS | ||
| NFC | ||
| Wi-Fi | ||
Display | ||
| Color | ||
| Resolution | n/a | 396 x 484 |
| Size | n/a | 1.9 inches |
| Touch | ||
| Type | n/a | MicroLED |
Functions | ||
| Audio Speaker | Alerts only | |
| Clock | ||
| Phone | ||
| Vibration | ||
| Voice | ||
Hardware | ||
| Accelerometer | ||
| Barometer or Altimeter | ||
| Ultraviolet Sensor | ||
| Water Resistance | 3 ATM | water resistant but not waterproof |
Notifications | ||
| Phone | ||
| Emails | ||
| Texts | ||
Software | ||
| Operating System | n/a | WatchOS 8 |
| Apps | ||
| Music | ||