Polar M400 vs. Fitbit Flex 2 vs. Garmin Forerunner 235 vs. Motorola Moto 360 (1st Gen) vs. Amazfit GTS
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| PolarM400Remove Buy Now | FitbitFlex 2Remove Buy Now | GarminForerunner 235Remove Buy Now | MotorolaMoto 360 (1st Gen)Remove Buy Now | AmazfitGTSRemove Buy Now |
Basic Info | |||||
| Suggested Price | $200 | $100 | $299.99 | $150 | $150 |
| Release | 2014 | 2016 | 2017 | 2014 | 2019 |
Activity & Fitness | |||||
| Calories | |||||
| Cycling (Bicycling) | |||||
| Distance | |||||
| Heart | n/a | ||||
| Oxygen | |||||
| Sleep | |||||
| Steps | |||||
| Swim | |||||
Battery | |||||
| Duration | 8 hours to 30 days | 5 days | 9 days | 1 day | 14 days |
| Rechargeable | |||||
Compatibility | |||||
| Android | |||||
| iOS | |||||
| Windows Phone | n/a | n/a | NA | ||
| Mac | NA | ||||
| Windows | NA | ||||
Connectivity | |||||
| Bluetooth | |||||
| Cellular | |||||
| GPS | |||||
| NFC | |||||
| Wi-Fi | |||||
Display | |||||
| Color | n/a | ||||
| Resolution | n/a | n/a | 215 x 180 | 320 x 260 | 348 x 442 |
| Size | n/a | n/a | 1.23 inches | 1.56 inches | 1.65 inches |
| Touch | n/a | ||||
| Type | n/a | LED | MIP | LCD | AMOLED |
Functions | |||||
| Audio Speaker | Alerts only | ||||
| Clock | |||||
| Phone | |||||
| Vibration | |||||
| Voice | |||||
Hardware | |||||
| Accelerometer | |||||
| Barometer or Altimeter | |||||
| Ultraviolet Sensor | |||||
| Water Resistance | 3 ATM | 5 ATM | 5 ATM | IP67 | 5 ATM |
Notifications | |||||
| Phone | |||||
| Emails | |||||
| Texts | |||||
Software | |||||
| Operating System | n/a | n/a | Android Wear | Wear OS | |
| Apps | |||||
| Music | NA | ||||