Fitbit Ionic vs. Amazfit Stratos vs. Apple Watch vs. Garmin Vivoactive 3 vs. Apple Series 6
 | | | | | |
| FitbitIonicRemove Buy Now | AmazfitStratosRemove Buy Now | AppleWatchRemove Buy Now | GarminVivoactive 3Remove Buy Now | AppleSeries 6Remove Buy Now |
Basic Info | |||||
| Suggested Price | $299 | $199 | $349 | $299 | $399 |
| Release | 2017 | 2018 | 2015 | 2017 | 2020 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 4+ days | 5 days | 18 hours | 7 days | Not yet |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | NA | ||||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 348x250 | 320 x 300 | 340 x 272 or 390 x 312 | 240 x 240 | 384 x 480 |
| Size | 1.42 | 1.34 inches | 1.5 inches or 1.65 inches | 1.2 inches | 40mm |
| Touch | |||||
| Type | OLED | OLED | AMOLED | MIP | MicroLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | 5 ATM | ||||
| Water Resistance | 50m | 5 ATM | IPX7 | 5 ATM | |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Fitbit OS | Proprietary | Watch OS | WatchOS 5 | |
| Apps | |||||
| Music | |||||