Fitbit One vs. Amazfit Stratos vs. Apple Watch vs. Casio WSD-F20A vs. Michael Kors Grayson vs. Michael Kors Grayson
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| FitbitOneRemove Buy Now | AmazfitStratosRemove Buy Now | AppleWatchRemove Buy Now | CasioWSD-F20ARemove Buy Now | Michael KorsGraysonRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $100 | $199 | $349 | $399 | $350 | $350 |
| Release | 2012 | 2018 | 2015 | 2018 | 2018 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | ||||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 10-14 days | 5 days | 18 hours | 1 day | 24 hours | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | NA | ||||
| Mac | NA | |||||
| Windows | NA | |||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 320 x 300 | 340 x 272 or 390 x 312 | 320 x 320 | 453 x 454 | 453x454 |
| Size | n/a | 1.34 inches | 1.5 inches or 1.65 inches | 1.32 inches | 1.39 inches | 1.39 inches |
| Touch | ||||||
| Type | OLED | OLED | AMOLED | LCD | AMOLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | Splast Resistant | 5 ATM | IPX7 | 5 ATM | 1 ATM | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Proprietary | Watch OS | Wear OS | Android Wear | Android Wear |
| Apps | ||||||
| Music | ||||||