Pebble Time Round vs. Polar M600 vs. Fitbit Alta vs. Apple Watch Ultra vs. Fitbit Sense 2
 | | | | | |
| PebbleTime RoundRemove Buy Now | PolarM600Remove Buy Now | FitbitAltaRemove Buy Now | AppleWatch UltraRemove Buy Now | FitbitSense 2Remove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $330 | $130 | $799 | $300 |
| Release | 2015 | 2016 | 2016 | 2022 | 2022 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | |||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 2 days | 2 days | 5 days | 36 hrs | 6 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 | |||||
| Resolution | n/a | 240 x 240 | n/a | 502x410 pixels | 336x336 |
| Size | round | 1.3 inches | n/a | 1.92 inches | 1.59 inches |
| Touch | n/a | n/a | |||
| Type | e-paper | TFT | OLED | AMOLED | |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | LTPO OLED Retina | ||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | IPX7 | IPX8 | n/a | 10 ATM (100 Meters) | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | n/a | ||||
| Texts | |||||
Software | |||||
| Operating System | Pebble OS | Android Wear | n/a | WatchOS 9 | |
| Apps | |||||
| Music | |||||