TomTom Spark vs. Polar Loop 2 vs. Casio WSD-F20A vs. Pebble Core
 | | | | |
| TomTomSparkRemove Buy Now | PolarLoop 2Remove Buy Now | CasioWSD-F20ARemove Buy Now | PebbleCoreRemove Buy Now |
Basic Info | ||||
| Suggested Price | $150 | $120 | $399 | $99 |
| Release | 2015 | 2015 | 2018 | 2016 |
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) | 1 day | NA |
| 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 | 320 x 320 | NA |
| Size | n/a | n/a | 1.32 inches | NA |
| Touch | NA | |||
| Type | LCD | LED | LCD | NA |
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 | 5 ATM | NA |
Notifications | ||||
| Phone | n/a | NA | ||
| Emails | n/a | NA | ||
| Texts | n/a | NA | ||
Software | ||||
| Operating System | n/a | n/a | Wear OS | NA |
| Apps | ||||
| Music | ||||