TomTom Spark vs. Withings Go vs. Fitbit Ionic vs. Huawei Watch 2 vs. Polar Loop
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| TomTomSparkRemove Buy Now | WithingsGoRemove Buy Now | FitbitIonicRemove Buy Now | HuaweiWatch 2Remove Buy Now | PolarLoopRemove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $80 | $299 | $350 | $100 |
| Release | 2015 | 2016 | 2017 | 2017 | 2013 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | n/a | 8 months | 4+ days | 48 hours | 5 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | n/a | ||||
| iOS | n/a | ||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | n/a | NA | |||
| Windows | n/a | NA | |||
Connectivity | |||||
| Bluetooth | n/a | ||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | n/a | |||
| Resolution | n/a | n/a | 348x250 | 480 x 480 | NA |
| Size | n/a | n/a | 1.42 | 1.38 inches | NA |
| Touch | n/a | ||||
| Type | LCD | E-Ink | OLED | P-OLED | LED |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | n/a | n/a | |||
| Vibration | n/a | ||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 5 ATM | 50m | IP68 | 2 ATM |
Notifications | |||||
| Phone | n/a | n/a | |||
| Emails | n/a | n/a | |||
| Texts | n/a | n/a | |||
Software | |||||
| Operating System | n/a | n/a | Fitbit OS | Android Wear 2 | NA |
| Apps | n/a | ||||
| Music | |||||