Fitbit Zip vs. Polar A360 vs. Amazfit Arc vs. Garmin 645 Music
 | | | | |
| FitbitZipRemove Buy Now | PolarA360Remove Buy Now | AmazfitArcRemove Buy Now | Garmin645 MusicRemove Buy Now |
Basic Info | ||||
| Suggested Price | $60 | $200 | $69.99 | $450 |
| Release | 2012 | 2015 | 2016 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 6 months | 12 days | 20 days | 7 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | ||||
| Windows | ||||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | ||||
| Resolution | n/a | 160 x 80 | 72 x40 | 240 x 240 |
| Size | n/a | 1.18 inches | 0.42 inches | 1.2 inches |
| Touch | ||||
| Type | n/a | n/a | OLED | MIP |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | Splash Resistant | WR30 | IP67 | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | n/a | ||
| Apps | ||||
| Music | ||||