BIGGERFIVE Smart Watch for Kids, 1.8" Fitness vs Fitbit Sense 2 Advanced Health and Fitness
Updated August 2026 — BIGGERFIVE Smart Watch for Kids, 1.8" Fitness wins on price and engagement, Fitbit Sense 2 Advanced Health and Fitness wins on health and design.
The BIGGERFIVE Smart Watch for Kids is an excellent budget-friendly option for children, while the Fitbit Sense 2 offers advanced health features for adults. Choose based on your target audience.
Why BIGGERFIVE Smart Watch for Kids, 1.8" Fitness is better
Price
BIGGERFIVE is significantly cheaper at $39.99.
Child Focused
Designed specifically for kids aged 5-16.
Engagement
Includes fun features like puzzle games.
Why Fitbit Sense 2 Advanced Health and Fitness is better
Health Features
Offers advanced health metrics like ECG and SpO2.
Battery Life
Lasts over six days on a single charge.
Design
Sleek and sophisticated design for adults.
Overall score
Specifications
| Spec | BIGGERFIVE Smart Watch for Kids, 1.8" Fitness | Fitbit Sense 2 Advanced Health and Fitness |
|---|---|---|
| Screen Size | 1.8 inches | 1.58 inches |
| Water Resistance | IP68 | 50 meters |
| Sports Modes | 80 | 40+ |
| Heart Rate | Yes | Yes |
| GPS | No | Yes |
| Age Suitability | 5-16 | 22+ |
Dimension comparison
Overview
When it comes to fitness trackers, the BIGGERFIVE Smart Watch for Kids and the Fitbit Sense 2 stand out for their unique features and target audiences. The BIGGERFIVE is specifically designed for children aged 5-16, while the Fitbit Sense 2 caters to adults seeking advanced health monitoring. Priced at $39.99, the BIGGERFIVE is significantly cheaper than the Fitbit Sense 2, which retails at $199.95, making it about 80% more expensive.
Target Audience
The BIGGERFIVE Smart Watch for Kids is tailored for younger users, encouraging healthy habits in children. It offers engaging features like puzzle games and customizable watch faces, making it an appealing gift for birthdays or holidays. The Fitbit Sense 2, on the other hand, is aimed at adults who want to manage stress and improve sleep quality. With its advanced health metrics and ECG capabilities, it provides critical insights for users over 22 years old.
Health Monitoring Features
The health monitoring capabilities of both watches differ significantly. The BIGGERFIVE focuses on fundamental metrics, such as heart rate monitoring and sleep tracking, which are essential for children's well-being. It encourages physical activity through features like step counting and supports 80 sports modes. In contrast, the Fitbit Sense 2 offers a comprehensive suite of health tools, including an ECG app, SpO2 monitoring, and a daily Stress Management Score, making it more suitable for users interested in detailed health analytics.
Activity Tracking
Activity tracking is a primary function of both devices, but they serve different purposes. The BIGGERFIVE Smart Watch tracks basic activities and encourages children to engage in sports through its 80 modes, which include walking, running, and cycling. In comparison, the Fitbit Sense 2 not only tracks all-day activity but also provides insights through a built-in GPS and automatic exercise tracking. It supports 40+ exercise modes, appealing to more serious fitness enthusiasts looking for detailed workout data.
Design and Usability
When it comes to design, the BIGGERFIVE features a vibrant 1.8-inch HD touch screen and offers customizable watch faces, allowing kids to express their individuality. It's user-friendly and tailored to younger audiences, making it easy for children to navigate. The Fitbit Sense 2 is designed for all-day wear with a sleek profile and includes features like on-wrist Bluetooth calls, customizable clock faces, and a choice of small and large bands. Its sophisticated design is aimed at adult users who value both aesthetics and functionality.
Price and Value
The price difference between the two devices is substantial. The BIGGERFIVE Smart Watch is priced at $39.99, making it an attractive option for parents looking for a budget-friendly fitness tracker for their children. In contrast, the Fitbit Sense 2's price of $199.95 reflects its advanced features and capabilities. While the Fitbit provides extensive health insights, the BIGGERFIVE offers adequate functionality for kids at a fraction of the cost, making it a better value for families.
Battery Life
Battery life plays a crucial role in the usability of fitness trackers. The BIGGERFIVE Smart Watch is designed for daily use with basic functionalities, which typically allows for extended battery life. Specific numbers aren't provided, but it is expected to last through active days. The Fitbit Sense 2, however, boasts a battery life of over six days, which is impressive given its advanced features and constant data tracking. This longer battery life may appeal to users who prefer to have their device operational without frequent recharging.
Which should you buy?
Choosing between the BIGGERFIVE Smart Watch for Kids and the Fitbit Sense 2 ultimately depends on your needs and target audience. If you're looking for an engaging, cost-effective way to help children develop healthy habits, the BIGGERFIVE is a fantastic choice at $39.99. Conversely, if you seek a more advanced health and fitness smartwatch with comprehensive monitoring tools and are willing to invest $199.95, the Fitbit Sense 2 will suit your needs better. Both devices excel in their respective categories, making the decision primarily about age and intended use.

