Fitbit Charge 2 vs. Withings Pulse Ox vs. Apple Watch vs. Apple Watch Series 4
 | | | | |
| FitbitCharge 2Remove Buy Now | WithingsPulse OxRemove Buy Now | AppleWatchRemove Buy Now | AppleWatch Series 4Remove Buy Now |
Basic Info | ||||
| Suggested Price | $150 | $120 | $349 | $329 |
| Release | 2016 | 2014 | 2015 | 2018 |
Activity & Fitness | ||||
| Calories | ||||
| Cycling (Bicycling) | ||||
| Distance | ||||
| Heart | ||||
| Oxygen | ||||
| Sleep | ||||
| Steps | ||||
| Swim | ||||
Battery | ||||
| Duration | 5 days | 2 weeks | 18 hours | Not Yet |
| Rechargeable | ||||
Compatibility | ||||
| Android | ||||
| iOS | ||||
| Windows Phone | n/a | NA | ||
| Mac | n/a | NA | ||
| Windows | n/a | NA | ||
Connectivity | ||||
| Bluetooth | ||||
| Cellular | ||||
| GPS | ||||
| NFC | ||||
| Wi-Fi | ||||
Display | ||||
| Color | blue | |||
| Resolution | n/a | 128 x 32 | 340 x 272 or 390 x 312 | 384 x 480 |
| Size | n/a | n/a | 1.5 inches or 1.65 inches | 1.78 inches |
| Touch | n/a | Swipe | ||
| Type | OLED | OLED | AMOLED | MicroLED |
Functions | ||||
| Audio Speaker | ||||
| Clock | ||||
| Phone | ||||
| Vibration | ||||
| Voice | ||||
Hardware | ||||
| Accelerometer | ||||
| Barometer or Altimeter | ||||
| Ultraviolet Sensor | ||||
| Water Resistance | n/a | IPX7 | Not Yet | |
Notifications | ||||
| Phone | ||||
| Emails | ||||
| Texts | ||||
Software | ||||
| Operating System | n/a | n/a | Watch OS | Watch OS 5 |
| Apps | ||||
| Music | ||||