Basic Info |
| Wear Type | Wristband | Wristband | |
| Price | | | |
| Ratings | | | |
Activity & Fitness |
| Activity | Yes | Yes | Both track daily activity |
| Calories | Yes | Yes | Both track calories burned |
| Sleep | Yes | Yes | Both can track your sleep |
| Heart Rate / Pulse | Yes | No | Hesvit S3 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 | Yes | No | Hesvit S3 counts your climbing stairs or floors |
| Exercise Tagging | No | Yes | Only TomTom Spark 3 provides exercise tagging |
| Smart Coach | No | Yes | TomTom Spark 3 provides real time fitness coaching |
| Goal Setting | No | Yes | Set and keep your own daily or weekly goals with TomTom Spark 3 |
| Inactivity Alert | n/a | n/a | Both don't have inactivity alerts |
Additional Features |
| GPS | No | Yes | 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 | No | Yes | TomTom Spark 3 has a alarm clock |
| Reminders | Yes | No | Hesvit S3 has a reminder option |
| 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 | No | Both don't have phone notifications |
| Caller ID | No | No | Both don't show caller ID notification |
| Music Control | No | Yes | TomTom Spark 3 allows 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 | 7 days | 21 days | TomTom Spark 3 battery life is about 3.0 times longer |
| Battery Type | Rechargeable Battery | Rechargeable Battery | |
Physical Specs |
| Weather Resistance | No | Yes | |
| Waterproof | No | Yes | |
| IP Rating | n/a | n/a | |
| Weight | 31 grams | 49 grams | Hesvit S3 is 18.0 g lighter |
User Interface |
| Display | LCD Screen | LCD 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 | No | Yes | 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 | |
