Fitbit Alta vs. Polar M430 vs. Amazfit Stratos vs. Michael Kors Grayson vs. Michael Kors Grayson vs. HTC re Grip
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| FitbitAltaRemove Buy Now | PolarM430Remove Buy Now | AmazfitStratosRemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now | HTCre GripRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $130 | $255 | $199 | $350 | $350 | $199 |
| Release | 2016 | 2017 | 2018 | 2018 | 2018 | 2020 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 5 days | 30 hours | 5 days | 24 hours | 24 hours | 5 hours to 2.5 days |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | NA | |||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 128x128 | 320 x 300 | 453 x 454 | 453x454 | 160 x 32 |
| Size | n/a | 1.4 inch | 1.34 inches | 1.39 inches | 1.39 inches | 1.8 inches |
| Touch | n/a | |||||
| Type | OLED | LCD | OLED | AMOLED | AMOLED | PMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | n/a | WR30 | 5 ATM | 1 ATM | 1 ATM | IP57 |
Notifications | ||||||
| Phone | ||||||
| Emails | n/a | |||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Proprietary | Android Wear | Android Wear | NA | |
| Apps | ||||||
| Music | ||||||