Polar Loop 2 vs. Acer Liquid Leap vs. Michael Kors Grayson vs. Apple Watch Series 4 vs. LG G Watch R vs. Michael Kors Grayson
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| PolarLoop 2Remove Buy Now | AcerLiquid LeapRemove Buy Now | Michael KorsGraysonRemove Buy Now | AppleWatch Series 4Remove Buy Now | LGG Watch RRemove Buy Now | Michael KorsGraysonRemove Buy Now |
Basic Info | ||||||
| Suggested Price | $120 | $90 | $350 | $329 | $300 | $350 |
| Release | 2015 | 2015 | 2018 | 2018 | 2014 | 2018 |
Activity & Fitness | ||||||
| Calories | ||||||
| Cycling (Bicycling) | ||||||
| Distance | ||||||
| Heart | n/a | |||||
| Oxygen | ||||||
| Sleep | ||||||
| Steps | ||||||
| Swim | ||||||
Battery | ||||||
| Duration | 8 days (without notifications) | 5 to 7 days | 24 hours | Not Yet | 2 days | 24 hours |
| Rechargeable | ||||||
Compatibility | ||||||
| Android | ||||||
| iOS | ||||||
| Windows Phone | n/a | n/a | ||||
| Mac | n/a | n/a | ||||
| Windows | n/a | n/a | ||||
Connectivity | ||||||
| Bluetooth | ||||||
| Cellular | ||||||
| GPS | ||||||
| NFC | ||||||
| Wi-Fi | ||||||
Display | ||||||
| Color | ||||||
| Resolution | n/a | 128 x 32 | 453 x 454 | 384 x 480 | 320 x 320 | 453x454 |
| Size | n/a | 1 inch | 1.39 inches | 1.78 inches | 1.3 inches | 1.39 inches |
| Touch | ||||||
| Type | LED | OLED | AMOLED | MicroLED | P-OLED | AMOLED |
Functions | ||||||
| Audio Speaker | ||||||
| Clock | ||||||
| Phone | ||||||
| Vibration | ||||||
| Voice | ||||||
Hardware | ||||||
| Accelerometer | ||||||
| Barometer or Altimeter | ||||||
| Ultraviolet Sensor | ||||||
| Water Resistance | 2 ATM | IPX4 | 1 ATM | Not Yet | IP67 | 1 ATM |
Notifications | ||||||
| Phone | ||||||
| Emails | ||||||
| Texts | ||||||
Software | ||||||
| Operating System | n/a | Android Wear | Watch OS 5 | Android Wear | Android Wear | |
| Apps | ||||||
| Music | ||||||