TomTom Spark vs. Polar Loop 2 vs. Apple Watch Series 2 vs. Fitbit Ionic vs. Polar A370
 | | | | | |
| TomTomSparkRemove Buy Now | PolarLoop 2Remove Buy Now | AppleWatch Series 2Remove Buy Now | FitbitIonicRemove Buy Now | PolarA370Remove Buy Now |
Basic Info | |||||
| Suggested Price | $150 | $120 | $269 | $299 | $179.95 |
| Release | 2015 | 2015 | 2016 | 2017 | 2017 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | n/a | |||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | n/a | 8 days (without notifications) | 18 hours | 4+ days | Up to 3 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | |||
| Mac | n/a | ||||
| Windows | n/a | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | n/a | 340 x 272 or 390 x 312 | 348x250 | 160 x 80 |
| Size | n/a | n/a | 1.5 inches or 1.65 inches | 1.42 | 1.18 inches |
| Touch | |||||
| Type | LCD | LED | AMOLED | OLED | TFT LCD |
Functions | |||||
| Audio Speaker | Bluetooth | ||||
| Clock | |||||
| Phone | n/a | ||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 5 ATM | 2 ATM | 5ATM | 50m | WR30 |
Notifications | |||||
| Phone | n/a | ||||
| Emails | n/a | ||||
| Texts | n/a | ||||
Software | |||||
| Operating System | n/a | n/a | Watch OS | Fitbit OS | |
| Apps | |||||
| Music | |||||