Fitbit Alta vs. Fitbit Flex 2 vs. Apple Watch Series 2 vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson
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| FitbitAltaRemove Buy Now | FitbitFlex 2Remove Buy Now | AppleWatch Series 2Remove Buy Now | Michael KorsGraysonRemove Buy Now | PebbleCoreRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $130 | $100 | $269 | $350 | $99 | $350 |
| Release | 2016 | 2016 | 2016 | 2018 | 2016 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | NA | |||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | NA | |||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 5 days | 5 days | 18 hours | 24 hours | NA | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | NA | |||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | 340 x 272 or 390 x 312 | 453 x 454 | NA | 453x454 |
| Size | n/a | n/a | 1.5 inches or 1.65 inches | 1.39 inches | NA | 1.39 inches |
| Touch | n/a | n/a | NA | |||
| Type | OLED | LED | AMOLED | AMOLED | NA | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | NA | |||||
| Vibration | NA | |||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | NA | |||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | n/a | 5 ATM | 5ATM | 1 ATM | NA | 1 ATM |
Notifications | ||||||
| Phone | NA | |||||
| Emails | n/a | NA | ||||
| Texts | NA | |||||
Software | ||||||
| Operating System | n/a | n/a | Watch OS | Android Wear | NA | Android Wear |
| Apps | ||||||
| Music | ||||||