Fitbit Zip vs. Polar Loop 2 vs. Withings Pulse Ox vs. Amazfit Cor
 | | | | |
| FitbitZipRemove Buy Now | PolarLoop 2Remove Buy Now | WithingsPulse OxRemove Buy Now | AmazfitCorRemove Buy Now |
Basic Info | ||||
| Suggested Price | $60 | $120 | $120 | $79.99 |
| Release | 2012 | 2015 | 2014 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 6 months | 8 days (without notifications) | 2 weeks | 12 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | n/a | |
| Mac | n/a | n/a | ||
| Windows | n/a | n/a | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | blue | |||
| Resolution | n/a | n/a | 128 x 32 | 80 x 160 |
| Size | n/a | n/a | n/a | 1.23 inches |
| Touch | Swipe | |||
| Type | n/a | LED | OLED | IPS LCD |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | Splash Resistant | 2 ATM | 5 ATM | |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | n/a | n/a | |
| Apps | ||||
| Music | ||||