Basic Info | 
| Wear Type | Chest Strap | Chest Strap |  | 
| Price | $6295 |  |  | 
| Ratings |  |  |  | 
Activity & Fitness | 
| Activity |  Yes |  No | Polar H7 tracks your activity | 
| Calories |  Yes |  No | Polar H7 tracks your calories burned | 
| Sleep |  No |  No | Both don't have sleep tracking | 
| Heart Rate / Pulse |  Yes |  Yes | Both have built in heart rate sensor | 
| Distance |  Yes |  No | Polar H7 provides running or walking distance tracking | 
| Steps |  No |  No | Both don't count your steps | 
| Speed |  No |  Yes |  | 
| Stairs / Floors |  No |  No | Both don't have elevation feature | 
| Exercise Tagging |  No |  No | Both don't have exercise tagging | 
| Smart Coach |  No |  No | Both don't have coaching feature | 
| Goal Setting |  No |  No | Both don't have goal setting | 
| Inactivity Alert | n/a |  No | Both don't have inactivity alerts | 
Additional Features | 
| GPS |  No |  No | Both don't have built-in GPS support | 
| Compass | n/a |  No | Both don't have a compass | 
| Watch / Clock |  No |  No | Both don't have watch | 
| Alarm Clock |  No |  No | Both don't have alarm clock | 
| Reminders |  No |  No | Both don't have reminder | 
| Stopwatch |  No |  No | Both don't have stopwatch | 
| Music Playback | n/a |  No | Both don't have music playback | 
| Reports | Activity |  |  | 
Smartphone Remote Features | 
| Notifications |  No |  No | Both don't have phone notifications | 
| Caller ID |  No |  No | Both don't show caller ID notification | 
| Music Control |  No |  No | Both don't have phone music control | 
| Call Control | n/a |  No | Both don't have call control | 
| Camera Control | n/a |  No | Both don't have camera control | 
| Find Phone | n/a |  No | Both don't have a find phone feature | 
Battery | 
| Duration | 8 days | 1 days | Polar H7 battery life is about 8.0 times  longer | 
| Battery Type | Replaceable Cell Battery | Rechargeable Battery |  | 
Physical Specs | 
| Weather Resistance |  Yes |  Yes |  | 
| Waterproof |  No |  No |  | 
| IP Rating | n/a | n/a |  | 
| Weight | 56 grams | n/a |  | 
User Interface | 
| Display |  No |  No |  | 
Compatibility | 
| Android |  Yes |  Yes | Both compatible with Android devices | 
| iOS |  Yes |  Yes | Both compatible iOS devices | 
| OS X/Mac |  No |  No | Both don't compatible MAC OS X devices | 
| Windows Phone |  No |  Yes | Zephyr HxM compatibles with a range of Windows Phone devices | 
| Windows |  No |  No | Both don't have a find phone feature | 
| Web Portal |  Yes |  No | Polar H7 allows you upload and view data on the online portal  | 
| Social Features | n/a |  No | Both don't have social features | 
Connectivity | 
| Bluetooth |  Yes |  Yes | Both have Bluetooth data transfer technology | 
| Wi-Fi |  No |  No | Both don't have Wi-Fi connection | 
| NFC |  No |  No | Both don't have NFC connectivity | 
| ANT+ |  No |  No | Both don't provide ANT+ wireless technology | 
 | Buy on Amazon | Buy on Amazon |  |