Fitbit Alta vs. Fitbit Charge 2 vs. Amazfit Stratos vs. Michael Kors Access Sofie vs. Pebble Core
 | | | | | |
| FitbitAltaRemove Buy Now | FitbitCharge 2Remove Buy Now | AmazfitStratosRemove Buy Now | Michael KorsAccess SofieRemove Buy Now | PebbleCoreRemove Buy Now |
Basic Info | |||||
| Suggested Price | $130 | $150 | $199 | $395 | $99 |
| Release | 2016 | 2016 | 2018 | 2017 | 2016 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 5 days | 5 days | 1 day | NA |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | n/a | n/a | 320 x 300 | 390 x 390 1.19 inches | NA |
| Size | n/a | n/a | 1.34 inches | NA | |
| Touch | n/a | n/a | AMOLDED | NA | |
| Type | OLED | OLED | OLED | NA | |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | n/a | n/a | 5 ATM | 1 ATM | NA |
Notifications | |||||
| Phone | NA | ||||
| Emails | n/a | NA | |||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | n/a | Proprietary | Android Wear 2.0 | NA |
| Apps | |||||
| Music | |||||