Fitbit Flex 2 vs. Fitbit One vs. Fitbit Charge 3 vs. Garmin Vivosmart 3
 | | | | |
| FitbitFlex 2Remove Buy Now | FitbitOneRemove Buy Now | FitbitCharge 3Remove Buy Now | GarminVivosmart 3Remove Buy Now |
Basic Info | ||||
| Suggested Price | $100 | $100 | $150 | $139.99 |
| Release | 2016 | 2012 | 2018 | 2017 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 10-14 days | 7 days | 5 days |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | ||||
| Windows | Not yet | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | NA | |||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | n/a | n/a | 66 x 18 | 64 x 128 |
| Size | n/a | n/a | .721 inches | NA |
| Touch | n/a | |||
| Type | LED | OLED | OLED | OLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | Splast Resistant | 5 ATM | 5 ATM |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | n/a | NA | |
| Apps | ||||
| Music | ||||