TomTom Spark vs. Polar Loop 2 vs. Fitbit Ionic vs. Michael Kors Grayson vs. Pebble Core vs. Michael Kors Grayson
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| TomTomSparkRemove Buy Now | PolarLoop 2Remove Buy Now | FitbitIonicRemove Buy Now | Michael KorsGraysonRemove Buy Now | PebbleCoreRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $150 | $120 | $299 | $350 | $99 | $350 |
| Release | 2015 | 2015 | 2017 | 2018 | 2016 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | NA | |||||
| Distance | ||||||
| Heart | n/a | n/a | ||||
| Oxygen | ||||||
| Sleep | NA | |||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | n/a | 8 days (without notifications) | 4+ days | 24 hours | NA | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | NA | |||||
| Windows Phone | n/a | n/a | NA | |||
| Mac | n/a | NA | ||||
| Windows | n/a | NA | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | n/a | |||||
| Resolution | n/a | n/a | 348x250 | 453 x 454 | NA | 453x454 |
| Size | n/a | n/a | 1.42 | 1.39 inches | NA | 1.39 inches |
| Touch | NA | |||||
| Type | LCD | LED | OLED | AMOLED | NA | AMOLED |
Functions | ||||||
| Audio Speaker | Bluetooth | |||||
| Clock | ||||||
| Phone | n/a | NA | ||||
| Vibration | NA | |||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | NA | |||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 5 ATM | 2 ATM | 50m | 1 ATM | NA | 1 ATM |
Notifications | ||||||
| Phone | n/a | NA | ||||
| Emails | n/a | NA | ||||
| Texts | n/a | NA | ||||
Software | ||||||
| Operating System | n/a | n/a | Fitbit OS | Android Wear | NA | Android Wear |
| Apps | ||||||
| Music | ||||||