Fitbit Ionic vs. Fitbit Flex vs. Polar Loop vs. Swatch Touch Zero One vs. Amazfit GTS
 | | | | | |
| FitbitIonicRemove Buy Now | FitbitFlexRemove Buy Now | PolarLoopRemove Buy Now | SwatchTouch Zero OneRemove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | |||||
| Suggested Price | $299 | $100 | $100 | $220 | $150 |
| Release | 2017 | 2013 | 2013 | 2015 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | n/a | ||||
| Steps | |||||
| Swim | n/a | ||||
Battery | |||||
| Duration | 4+ days | 5 days | 5 days | n/a | 14 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | NA | NA | n/a | ||
| Mac | NA | n/a | |||
| Windows | NA | n/a | |||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | |||||
| Resolution | 348x250 | NA | NA | n/a | 348 x 442 |
| Size | 1.42 | NA | NA | n/a | 1.65 inches |
| Touch | NA | ||||
| Type | OLED | LED | LED | n/a | AMOLED |
Functions | |||||
| Audio Speaker | n/a | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | n/a | ||||
| Ultraviolet Sensor | |||||
| Water Resistance | 50m | 1 ATM | 2 ATM | 5 ATM | |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | Fitbit OS | NA | NA | n/a | Wear OS |
| Apps | |||||
| Music | n/a | ||||