Basic Info |
| Wear Type | Chest Strap | Wristband | |
| Price | $6999 | $17999 | 4iiii Viiiiva Heart Rate Monitor is 2.6x cheaper |
| Ratings | | | |
Activity & Fitness |
| Activity | No | Yes | Polar A300 tracks your activity |
| Calories | No | Yes | Polar A300 tracks your calories burned |
| Sleep | No | Yes | Polar A300 monitors your sleep pattern |
| Heart Rate / Pulse | Yes | No | 4iiii Viiiiva Heart Rate Monitor tracks heart rate |
| External HR Monitor | No | Yes | |
| Distance | No | Yes | Polar A300 measures your walking and running stride lengths |
| Steps | No | Yes | Polar A300 counts your steps |
| Stairs / Floors | No | No | Both don't have elevation feature |
| Exercise Tagging | No | No | Both don't have exercise tagging |
| Smart Coach | No | Yes | Polar A300 provides real time fitness coaching |
| Goal Setting | No | Yes | Set and keep your own daily or weekly goals with Polar A300 |
| Inactivity Alert | No | Yes | Polar A300 helps you stay active with inactivity alert |
Additional Features |
| GPS | No | No | Both don't have built-in GPS support |
| Compass | No | No | Both don't have a compass |
| Watch / Clock | No | Yes | Only Polar A300 has a watch |
| Alarm Clock | No | Yes | Polar A300 has a alarm clock |
| Reminders | No | Yes | Polar A300 has a reminder option |
| Stopwatch | No | No | Both don't have stopwatch |
| Music Playback | No | No | Both don't have music playback |
| Reports | | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | No | Yes | If you get a phone notification, Polar A300 make an alert for you |
| Caller ID | No | Yes | Polar A300 can notify you who is calling |
| Music Control | No | No | Both don't have phone music control |
| Call Control | No | Yes | Polar A300 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 | 200 hours | 26 days | |
| Battery Type | Replaceable Cell Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | No | No | |
| IP Rating | IP 67 | 3 ATM | |
| Weight | 5 grams | 48 grams | 4iiii Viiiiva Heart Rate Monitor is 43.0 g lighter |
User Interface |
| Display | No | Yes | |
| Display Size | | 64x28 inches | |
| Screen Resolution | |
n/a
| |
| Color Display | No | No | |
| Touch Screen | No | No | |
Compatibility |
| Android | Yes | Yes | Both compatible with Android devices |
| iOS | Yes | Yes | Both compatible iOS devices |
| OS X/Mac | No | Yes | Polar A300 compatibles with MacBooks and iMacs |
| Windows Phone | No | Yes | Polar A300 compatibles with a range of Windows Phone devices |
| Windows | No | Yes | Polar A300 allows you to locate your phone |
| Web Portal | No | Yes | Polar A300 allows you upload and view data on the online portal |
| Social Features | No | Yes | You can integrate Polar A300 with social networks and share information |
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+ | Yes | No | Only 4iiii Viiiiva Heart Rate Monitor has ANT+ wireless technology |
| Buy on Amazon | Buy on Amazon | |
