TomTom Spark vs. Withings Steel HR vs. Fitbit Charge 2 vs. Apple Watch Series 4
 | | | | |
| TomTomSparkRemove Buy Now | WithingsSteel HRRemove Buy Now | FitbitCharge 2Remove Buy Now | AppleWatch Series 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $150 | $180 | $150 | $329 |
| Release | 2015 | 2016 | 2016 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | n/a | |||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | n/a | 25 days | 5 days | Not Yet |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | n/a | ||
| Mac | n/a | |||
| Windows | n/a | |||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | n/a | |||
| Resolution | n/a | n/a | n/a | 384 x 480 |
| Size | n/a | n/a | n/a | 1.78 inches |
| Touch | n/a | |||
| Type | LCD | n/a | OLED | MicroLED |
Functions | ||||
| Audio Speaker | Bluetooth | |||
| Clock | ||||
| Phone | n/a | |||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | 5 ATM | 5 ATM | n/a | Not Yet |
Notifications | ||||
| Phone | n/a | |||
| Emails | n/a | |||
| Texts | n/a | |||
Software | ||||
| Operating System | n/a | n/a | n/a | Watch OS 5 |
| Apps | ||||
| Music | ||||