Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | | | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both show estimated calories burned |
| Sleep | Yes | Yes | Both can track your sleep |
| Heart Rate / Pulse | Yes | No | MyKronoz ZeWatch 4 HR tracks heart rate |
| Distance | Yes | Yes | Both track your running/walking distance |
| Steps | Yes | Yes | Both track how many steps you take |
| Stairs / Floors | No | Yes | U8 has built-in altimeter for elevation feature |
| Exercise Tagging | No | No | Both don't have exercise tagging |
| Smart Coach | No | No | Both don't have coaching feature |
| Goal Setting | Yes | No | Set and keep your own daily or weekly goals with MyKronoz ZeWatch 4 HR |
| Inactivity Alert | Yes | Yes | Both have move reminders |
Additional Features |
| GPS | No | No | Both don't have built-in 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 | Yes | Both have stopwatch |
| Music Playback | No | No | Both don't have music playback |
| Weather | Yes | No | *Weather forecast |
| Temperature | No | Yes | |
| Voice commands | Yes | No | |
| 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 | Yes | Both allow control smartphone music player |
| Call Control | Yes | Yes | Both allow control phone calls |
| Camera Control | Yes | Yes | Both devices can control your smartphone's camera |
| Find Phone | Yes | No | MyKronoz ZeWatch 4 HR allows you to locate your phone |
Battery |
| Duration | 3 days | 6 days | U8 battery life is about 2.0 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | n/a | No | |
| IP Rating | n/a | n/a | |
| Weight | 38 grams | 44 grams | MyKronoz ZeWatch 4 HR is 6.0 g lighter |
User Interface |
| Display | LCD Screen | LCD Screen | |
| Display Size | n/a | 1,48 inches | |
| Screen Resolution |
240*240 pixels
|
128 x 128 pixels
| |
| Color Display | Yes | Yes | |
| Touch Screen | Yes | Yes | |
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 | U8 compatibles with a range of Windows Phone devices |
| Windows | No | No | Both don't have a find phone feature |
| Web Portal | No | No | Both don't have online web portal option |
| Social Features | No | 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 | Yes | No | Only MyKronoz ZeWatch 4 HR has NFC (Near Field Communication) |
| ANT+ | No | No | Both don't provide ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
