Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | $15995 | $18000 | Fitbit Versa is 110% cheaper |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both track calories burned |
| Sleep | Yes | Yes | Both track sleep pattern |
| Heart Rate / Pulse | Yes | No | Fitbit Versa tracks heart rate |
| External HR Monitor | No | Yes | |
| Oxygen saturation | Yes | No | Fitbit Versa shows the saturation levels of blood oxygen |
| VO2 Max | No | Yes | Polar M400 tracks the maximum consumption of oxygen per minute |
| Distance | Yes | Yes | Both track your stride length |
| Steps | Yes | Yes | Both track how many steps you take |
| Pace | No | Yes | |
| Stairs / Floors | No | Yes | Polar M400 has built-in altimeter for elevation feature |
| Exercise Tagging | Yes | No | Only Fitbit Versa provides exercise tagging |
| Smart Coach | Yes | Yes | Both can help with smart coaching |
| Goal Setting | Yes | Yes | Both can help with your goals setting |
| Inactivity Alert | No | Yes | Polar M400 helps you stay active with inactivity alert |
Additional Features |
| GPS | No | Yes | Polar M400 has GPS support |
| Compass | No | No | Both don't have a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | Yes | Yes | Both have alarm clock |
| Reminders | Yes | Yes | Both have reminder app |
| Stopwatch | Yes | No | Fitbit Versa has a stopwatch |
| Music Playback | Yes | No | Only Fitbit Versa offers phone-free music |
| Weather | Yes | No | *Weather forecast |
| Reports | Activity, Sleep | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | Yes | Yes | Both show smartphone notifications |
| Caller ID | Yes | Yes | Both show caller ID notification |
| Music Control | Yes | No | Fitbit Versa allows control smartphone music player |
| Call Control | No | Yes | Polar M400 allows you control phone calls |
| Camera Control | No | No | Both don't have camera control |
| Find Phone | No | No | Both don't have a find phone feature |
Battery |
| Duration | 4 days | 24 days | Polar M400 battery life is about 6.0 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | No | No | |
| IP Rating | 5 ATM | 3 ATM | |
| Weight | n/a | 57 grams | |
User Interface |
| Display | LCD Screen | Yes | |
| Display Size | 1.34 inches | n/a | |
| Screen Resolution |
300 x 300 pixels
|
128 x 128 pixels
| |
| Color Display | Yes | No | |
| Touch Screen | Yes | No | |
| Gorilla glass | Yes | No | *Specialized toughened glass: thin, light and damage-resistant |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | Yes | Yes | Both compatible MAC OS X laptops and PCs |
| Windows Phone | Yes | Yes | Both compatible with Windows Phone devices |
| Windows | Yes | Yes | Both can help find your smartphone |
| Web Portal | Yes | Yes | Both have access to online web portal |
| Social Features | Yes | Yes | Both have social features |
Connectivity |
| Bluetooth | Yes | Yes | Both have Bluetooth data transfer technology |
| Wi-Fi | Yes | No | Select Fitbit Versa if you need a built-in Wi-Fi connectivity |
| NFC | Yes | No | Only Fitbit Versa has NFC (Near Field Communication) |
| ANT+ | No | No | Both don't provide ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
