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 track sleep pattern |
| Heart Rate / Pulse | No | Yes | Under Armour UA Band has the heart rate monitoring sensor |
| Distance | Yes | Yes | Both track your running/walking distance |
| Steps | Yes | Yes | Both track and count your steps |
| Stairs / Floors | No | No | Both don't track climbing stairs or floors |
| Exercise Tagging | Yes | Yes | Both have exercise tagging feature |
| Smart Coach | Yes | No | TomTom Spark 3 provides real time fitness coaching |
| Goal Setting | Yes | Yes | Both can help with your goals setting |
| Inactivity Alert | n/a | n/a | Both don't have inactivity alerts |
Additional Features |
| GPS | Yes | No | TomTom Spark 3 has GPS support |
| Compass | n/a | n/a | Both don't have a compass |
| Watch / Clock | Yes | Yes | Both have watch |
| Alarm Clock | Yes | Yes | Both have alarm clock |
| Reminders | No | No | Both don't have reminder |
| Stopwatch | No | No | Both don't have stopwatch |
| Music Playback | n/a | n/a | Both don't have music playback |
| Reports | Activity, Sleep | Activity, Sleep | |
Smartphone Remote Features |
| Notifications | No | Yes | If you get a phone notification, Under Armour UA Band make an alert for you |
| Caller ID | No | Yes | Under Armour UA Band can notify you who is calling |
| Music Control | Yes | Yes | Both allow control smartphone music player |
| Call Control | n/a | n/a | Both don't have call control |
| Camera Control | n/a | n/a | Both don't have camera control |
| Find Phone | n/a | n/a | Both don't have a find phone feature |
Battery |
| Duration | 21 days | 5 days | TomTom Spark 3 battery life is about 4.2 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | Yes | Yes | |
| Waterproof | Yes | No | |
| IP Rating | n/a | n/a | |
| Weight | 49 grams | 21 grams | Under Armour UA Band is 28.0 g lighter |
User Interface |
| Display | LCD Screen | OLED Screen | |
| Display Size | n/a | n/a | |
| Screen Resolution |
n/a
|
n/a
| |
| Color Display | n/a | n/a | |
| Touch Screen | n/a | n/a | |
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 | No | Both don't compatible with Windows Phone devices |
| Windows | No | No | Both don't have a find phone feature |
| Web Portal | Yes | No | TomTom Spark 3 allows you upload and view data on the online portal |
| Social Features | n/a | n/a | 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 | |
