Fitbit Flex 2 vs. Casio WSD-F20A vs. Pebble Core vs. Polar Loop vs. Amazfit GTS
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| FitbitFlex 2Remove Buy Now | CasioWSD-F20ARemove Buy Now | PebbleCoreRemove Buy Now | PolarLoopRemove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | |||||
| Suggested Price | $100 | $399 | $99 | $100 | $150 |
| Release | 2016 | 2018 | 2016 | 2013 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | NA | ||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | NA | ||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 5 days | 1 day | NA | 5 days | 14 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | NA | ||||
| Windows Phone | n/a | NA | NA | ||
| Mac | NA | NA | |||
| Windows | NA | NA | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | 320 x 320 | NA | NA | 348 x 442 |
| Size | n/a | 1.32 inches | NA | NA | 1.65 inches |
| Touch | n/a | NA | |||
| Type | LED | LCD | NA | LED | AMOLED |
Functions | |||||
| Audio Speaker | |||||
| Clock | |||||
| Phone | NA | ||||
| Vibration | NA | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | NA | ||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | NA | 2 ATM | 5 ATM |
Notifications | |||||
| Phone | NA | ||||
| Emails | NA | ||||
| Texts | NA | ||||
Software | |||||
| Operating System | n/a | Wear OS | NA | NA | Wear OS |
| Apps | |||||
| Music | |||||