Polar Loop 2 vs. Swatch Touch Zero One vs. Garmin Vivosmart 4 vs. HTC re Grip
 | | | | |
| PolarLoop 2Remove Buy Now | SwatchTouch Zero OneRemove Buy Now | GarminVivosmart 4Remove Buy Now | HTCre GripRemove Buy Now |
Basic Info | ||||
| Suggested Price | $120 | $220 | $130 | $199 |
| Release | 2015 | 2015 | 2018 | 2020 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | n/a | |||
| Steps | ||||
| Swim | n/a | |||
Battery | ||||
| Duration | 8 days (without notifications) | n/a | 7 days | 5 hours to 2.5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | n/a | |||
| iOS | n/a | |||
| Windows Phone | n/a | n/a | NA | |
| Mac | n/a | n/a | NA | |
| Windows | n/a | n/a | NA | |
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | n/a | 48 x 128 | 160 x 32 |
| Size | n/a | n/a | 0.74 inches | 1.8 inches |
| Touch | ||||
| Type | LED | n/a | OLED | PMOLED |
Functions | ||||
| Audio Speaker | n/a | |||
| Clock | ||||
| Phone | n/a | |||
| Vibration | n/a | |||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | n/a | |||
| Ultraviolet Sensor | ||||
| Water Resistance | 2 ATM | 5 ATM | IP57 | |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | n/a | n/a | NA | |
| Apps | ||||
| Music | n/a | |||