Pebble Steel vs. Fitbit One vs. Amazfit Arc vs. Casio WSD-F20A vs. Fitbit Flex
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| PebbleSteelRemove Buy Now | FitbitOneRemove Buy Now | AmazfitArcRemove Buy Now | CasioWSD-F20ARemove Buy Now | FitbitFlexRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $100 | $69.99 | $399 | $100 |
| Release | 2014 | 2012 | 2016 | 2018 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5-7 days | 10-14 days | 20 days | 1 day | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 168 x 144 | n/a | 72 x40 | 320 x 320 | NA |
| Size | 1.26 inches | n/a | 0.42 inches | 1.32 inches | NA |
| Touch | NA | ||||
| Type | e-paper | OLED | OLED | LCD | LED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | Splast Resistant | IP67 | 5 ATM | 1 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | Pebble OS | n/a | Wear OS | NA | |
| Apps | |||||
| Music | |||||