10 Best Fitness Tracker For Kids in The UK

Last updated on 04/08/2025

Advertising disclosure

Fitbit Ace 3 Activity Tracker for Kids with Animated Clock Faces, Up to 8 days battery life & water resistant up to 50 m ,Black/Red

30% OffFree Shipping

Why We Love It

Long-lasting battery life.
Fun, engaging animations.
Swim-friendly design.

Main Highlights

🔋 BATTERY LIFE: Up to 8 days of battery
📱 Compatibility: Compatible with iOS 12.2 or higher & Android OS 7.0 or higher
⏰ Animated Clock Faces: Fitbit Ace 3 makes fitness fun with animated clock face characters that change and grow as kids make progress toward their goal throughout the day
⚽️ All day activity tracking: Fitbit Ace 3 tracks all-day steps, and Active Minutes show how every move, skip and jump adds up to a healthier, more active life
😴 Sleep tracking: Help kids form healthy sleep habits with sleep tracking, bedtime reminders and silent alarms; Fitbit Ace 3 lets you know if kids are getting the rest they need since good sleep habits play a big role in their health
💦 Water resistant to 50m: Since Fitbit Ace 3 is water resistant, spills and splashes don’t stand a chance and kids can wear it in the pool and ocean
👩‍👩‍👧‍👦 Family Account & Parent View: Through Parent View in the family account, parents can see their kids’ activity and approve their connections

BIGGERFIVE Kids Smart Watch, 1.8" Fitness Watch Pedometer, Heart Rate, Sleep Tracker, IP68 Waterproof, Calorie Step Counter, Puzzle Games with/without APP for Girls Boys Teens 5-16, Blue

Free Shipping

Why We Love It

Tracks activities with precision.
80 diverse sports modes supported.
Customizable and interactive watch face.

Main Highlights

All-Day Activity Tracking: BIGGERFIVE BRAVE 2 Smart Watch for Kids Teens Automatically counts steps, distance, calories burned, and active minutes. Supports 80 sports modes like walking, running, cycling, basketball, and more.
Without/With APP: BIGGERFIVE kids fitness tracker watch can be used seperately without APP and phone. But with APP, you could explore more functions. Compatible with Android 6.0+ and iOS 9.0+ smartphones.
Comprehensive Health Monitoring: Monitors real-time heart rate and tracks sleep patterns to promote your child's well-being.
Customizable Watch Face &1.8" HD Touch Screen：Our kids smartwatch boasts a 1.8" HD touch screen and offers 100+ exquisite cloud dials in APP BIGGERFIVE. Elevate personal style with custom dials using your kids' own photos and ignite their creativity!
Puzzle Games under Parents' Control: 5 built-in puzzle games can help train your child's reaction ability and calculation ability. You could restrict your child from playing games at school in the BIGGERFIVE APP (supports also lock game all the time).
Encourages Healthy Habits & Perfect Gift Idea: BIGGERFIVE kids smart watch motivates children to develop good exercise habits and stay healthier. Ideal gift for birthdays, Christmas, and other special occasions.

Garmin vívofit Jr.3, Fitness Tracker for Kids, Includes Interactive App Experience, Swim-Friendly, Up To 1-year Battery Life, Adjustable watch band, Cosmic Black

6% Off

Why We Love It

Interactive app adventures for kids.
Durable and swim-friendly.
Tracks steps and sleep.

Main Highlights

Children's fitness tracker includes an interactive app experience that lets children go on a Garmin World Tour
Children can tour and take educational quizzes about the exciting new places they uncover
Durable, swim-friendly fitness tracker features a large colour display with multiple watch face options
Motivates children to achieve active minute goals that unlock entertaining app adventures, games and icons
For easy chore management, parents can use the Garmin Jr. app to assign tasks, schedule alerts and alarms, and reward children for good behaviour
See the full picture by tracking your child’s steps, sleep and 60 minutes of daily recommended activity
Timed activities let you track your child’s steps and estimated distance during playtime, football practice and anything else you can think of; view saved activities later in the Garmin Jr. app
Quickly access your child’s emergency contact information with the ICE (in case of emergency) widget
Toe-to-Toe step challenges let children engage in friendly step competitions
Up to 1 year of battery life - no recharging needed, and the battery is parent replaceable

BIGGERFIVE Vigor 2 L Kids Fitness Tracker Watch for Boys Girls Ages 5-15, Activity Tracker, Heart Rate Sleep Monitor, IP68 Waterproof, Pedometer, Calorie Step Counter Watch, Black

25% OffFree Shipping

Why We Love It

Earn Virtual Medals For Motivation.
Supports Various Sports Modes.
Monitors Your Child's Sleep.

Main Highlights

[ALL-DAY ACTIVITY TRACKING] Track your child's daily steps, calories burned, and distance walked. To keep the motivation high, kids earn virtual medals when they reach specific activity goals, making fitness fun and engaging.
[10+ SPORT MODES & IP68 WATERPROOF] From running to basketball, soccer to cycling, our kids fitness tracker supports over 10 different sports modes. Whether your child is swimming (IP68 waterproof, safe for pool but not seawater) or showering, the BIGGERFIVE tracker is built to keep up with their active lifestyle.
[HEART RATE & SLEEP MONITORING] Stay informed about your child's heart rate data 24/7. The sleep-monitor feature of our kids watch provides insights into various sleep stages, such as the duration of deep sleep, and offers helpful tips to improve sleep quality.
[COMFORTABLE BAND & LONG BATTERY LIFE] Crafted with a soft, lightweight silicone band, this kids pedometer is designed for all-day comfort. Enjoy a long-lasting battery life of up to 7 days on a single charge, with just a 2-hour recharge time.
[PERFECT GIFT FOR SPECIAL OCCASION] Packaged beautifully, the kids fitness watch makes an ideal gift for birthdays, Christmas, or any special occasion. Paired with BIGGERFIVE App, you can explore additional features and access detailed activity and health reports, making it a fantastic tool for both kids and parents.

GRV Pedometer Watch Fitness Watch No Bluetooth/App/Phone Required,Fitness Tracker with Step Counter Calories Counter Sleep Monitor for Walking Running

Free Shipping

Why We Love It

No app needed for tracking.
User-friendly for all ages.
Accurate fitness data monitoring.

Main Highlights

【No App & Phone Required Pedometer Watch】This pedometer watch doesn't require any App Bluetooth or smartphone connections! It's as simple to use as a regular watch but smarter. Perfect for seniors, kids, and anyone looking for an easy fitness tracker without the hassle of smartphone setups.
【User-Friendly Design】The watch can be easily operated by the touch button, allowing all settings and operations to be easily completed. Its convenient operation is especially friendly for both elderly and children!
【Accurately Track Your Fitness Data】This smart watch accurately monitors and records your steps, calories, distance, and sleep time, providing you with a clearer understanding of each exercise's data!
【Long Battery Life】This fitness tracker charged through the built-in USB, enabling quick charging with just a gentle connect. It only takes 2 hours to fully charge and can last up to 5 days on a single charge.
【Enhanced Waterproof Performance】This activity tracker meets the IP68 waterproof standard, ensuring no worry wearing in daily life, allowing you to fully enjoy various activities, but not suitable for diving, taking a shower, sea water or sauna.
【Perfect Present for Parents and Kids】This pedometer watch makes a wonderful gift for both seniors and kids. It is simple, works without a mobile phone, and is very light and comfortable to wear.

BIGGERFIVE Kids Fitness Tracker Watch, Pedometer, Heart Rate, 5ATM Waterproof, Sleep Monitor, Alarm Clock, Calorie Step Counter, Puzzle Games, 1.5" HD Touch Screen Kids Smart Watch for Girls Ages 3-14

21% OffFree Shipping

Why We Love It

Encourages health and physical activity.
Suitable for water-based activities.
Ignites creativity with customization.

Main Highlights

BIGGERFIVE BRAVE Fitness Watch for Kids with All-Day Activity Tracking: Automatically counts steps, distance, calories burned, and active minutes. Supports 14 sports modes like walking, running, cycling, swimming, basketball, and more.
Comprehensive Health Monitoring: Monitors real-time heart rate, and tracks sleep patterns to promote your child's well-being.
50M/5ATM Super Waterproof Design: Suitable for active water play up to 50 meters deep, making it perfect for pool time and water activities.
Wide Compatibility & User-Friendly Interface: Compatible with Android 6.0+ and iOS 9.0+ smartphones. Kid-friendly interface ensures easy operation, while the family account feature simplifies management of multiple kid's trackers.
Customizable Watch Face&1.5" HD Touch Screen：Our kids smartwatch boasts a 1.5" HD touch screen and offers 50 exquisite cloud dials. Elevate personal style with custom dials using your kids' own photos and ignite their creativity!

Kids Smart Watch for Girls,IP68 Waterproof Kids Fitness Tracker Watch with 1.5 Inch DIY Face,Heart Rate Sleep Monitor,19 Sport Modes,Calories Counter,Alarm Clock,Great Gifts for Children 6+ (Purple)

22% OffFree Shipping

Why We Love It

Bright, customizable touch display.
Tracks health, fitness activities.
Supports multiple languages.

Main Highlights

【Great Gift for Kids Girls Boys】: Kids waterproof smart watch has a fashion and cute design 1.5-inch colorful touch screen can adjust brightness,and the display screen will automatically light up when you raise wrist. This watch will be a great Birthday,New year,Christmas gift for kids, boys girls teens.
【DIY Watch Face and Adjustable Strap】:This smart watch can customize wallpaper.Kids can choose the wallpaper that comes with the “HBAND” App or upload the favorite photo as wallpaper.You can customize the dial through the "HBAND" APP and choose your favorite dial style.
【7/24 Heart Rate Monitor and Sleep Tracker】Smart watch can accurately monitor the data of heart rate.You can view these data directly on kids watch to help you better understand your children health.You should adjust your lifestyle reasonably,provide comprehensive analysis of kids sleep quality (deep sleep,light sleep and wake up time) to help kids develop a healthier lifestyle. (NOTE:The measurement data is for reference only and cannot be used as medical monitoring data)
【Make Kids Fitness Fun and Build Healthy Habits】All-Day Activity Tracking: Automatically tracks your kids steps,distance and calories burned.Supports 19 activity modes:swimming,running,walking,cycling,yoga,football,basketball,etc. Sedentary reminder,Drink water reminder,Call/SMS/Message reminder,etc., IP68 waterproof, ready play in water.
【Wide Compatibility and Support Multi-languauge】The fitness watch support and compatible with most Android 4.4 above, IOS 8.0 or higher smart phones. Kids watch support Chinese,English,German,French,Spanish,Italian,Japanese, Follow the phone system language changes. 2 kinds of clocks display, 12 hours or 24 hours can be set, if you phone is 24 hours clock display, then the fitness tracker is 24 hours clock display.

BIGGERFIVE Fitness Tracker Watch for Kids Boys Girls Teens, Pedometer Watch, Activity Tracker, Sleep Monitor, Calorie Counter, Silent Alarm Clock, IP67 Waterproof Step Counter Watch (Dual Straps)

Free Shipping

Why We Love It

Ultra-slim, kid-friendly design.
Interchangeable colorful straps.
Tracks all-day activity.

Main Highlights

[ULTRA SLIM & DUAL STRAPS] This exclusive ultra-slim and lightweight fitness tracker is specially designed for kids 5+, with a total weight of only 17g, with more emphasis on children's wearing comfort, make kids more willing to wear and build healthy habits.The fitness tracker also come with dual straps in two different colors, so kids can choose one to start their day.
[ALL-DAY ACTIVITY TRACKING] Automatically tracking your kids steps, distance and calories burning, you can see the data easily by tapping the watch display or checking your phone's app.
[SLEEP TRACKER & SILENT ALARM CLOCK] Automatically track how well you sleep at night, get the data about your sleep trends through the night in the app.The silent alarm clock can wake you up without disturbing others.
[BUILT-IN USB DESIGN & LONG BATTERY TIME] You can charge the fitness tracker by any USB adapter without requiring an extral charger. Charging for 1-2 hours, the fitness tracker battery can last up to 7 days.
[COMPATIBILITY] kids fitness tracker watch With free app "VeryFitPro" , Compatible with smartphone.

BIGGERFIVE Vigor 2 Fitness Tracker Watch for Kids Girls Boys Ages 5-12, Activity Tracker, Pedometer, Heart Rate Sleep Monitor, IP68 Waterproof Calorie Step Counter Watch, Great Kids Gift,Lilac

Free Shipping

Why We Love It

Comfortable and durable design.
Promotes active, healthy lifestyle.
Useful for sleep tracking.

Main Highlights

[MORE COMFORTABLE & DURABLE] The softer and skin-friendly liquid silicone strap is specially designed for children ages 5-12, for a more comfortable fit；Newly upgraded charging interface, safer and more durable, up to 7 days of battery life with 2 hours of fast charging.
[ALL-DAY ACTIVITY TRACKING & IP68 SWIMMING WATERPROOF] This 24-hour activity tracker automatically counts your children's steps, distance, and calories burned and activity minutes. It supports 10+ activity modes: Walking, Running, Cycling, Dancing, Basketball, Football, Tennis, Climbing, Workout, and more. It is rated IP68 waterproof so your kids can wear it during water activities and while enjoying pool time.
[HEART RATE, SLEEP TRACKING & SILENT ALARM CLOCK] The fitness tracker can automatically monitor your kids' daily real-time heart rate, track how well they sleep at night, and provide data about their sleep trends through the night in the app. The silent alarm clock can wake them up without disturbing others.
[WIDE COMPATIBILITY & EASY TO USE] Compatible with most Android 6.0+ and iOS 9.0+ smartphones; Upgraded to a more child-friendly interface, more easy-to-operate watch interface interaction; The family account makes it easier for parents to manage multiple kids trackers.
[PERFECT GIFT IDEAS FOR KIDS] Designed for children, BIGGERFIVE brand kids fitness trackers encourage kids to build good workout habits and be more healthy by enrouraging them to obtain virtual badges when they reach their excercise goals. Perfect gift ideas for kids' Birthday, Christmas and all other occasions.

BIGGERFIVE Vigor Fitness Tracker Watch for Kids Girls Boys Ages 5-15, Activity Tracker, Pedometer, Heart Rate Sleep Monitor, IP68 Waterproof Calorie Step Counter Watch with Alarm Clock

Free Shipping

Why We Love It

Monitors health effectively.
Encourages active lifestyle.
Waterproof and durable.

Main Highlights

[ALL-DAY ACTIVITY TRACKING] Automatically tracks your kids steps, distance and calories burned. Supports 10+ activity modes: Walking, Running, Bicycle, Dance, Basketball, Football, Tennis, Climbing, Workout, etc.
【 HEART RATE & SLEEP TRACKER & SILENT ALARM CLOCK 】 The fitness tracker can automatically monitor your kids daily real-time heart rate and track how well your kids sleep at night, get the data about your kids sleep trends through the night in the app.The silent alarm clock can wake up your kids without disturbing others.
【 IP68 SWIMMING WATERPROOF 】 IP68 high-grade waterproof allows your kids to carry out more water activities, kids can also wear this fitness tracker watch while enjoying pool time.
【 BUILT-IN USB DESIGN & LONG BATTERY TIME 】 You can charge the fitness tracker by any USB adapter without requiring an extral charger. Kids spend less time charging & more time moving, charging for 1-2 hours, the fitness tracker battery can last up to 7 days.
【 COMPATIBILITY 】 BIGGERFIVE Vigor kids fitness tracker watch with free app "BIGGERFIVE", compatible with smartphone.

8.7

Excellent

We scanned 511 products

We reviewed these offers relevant to the Fitness Tracker For Kids within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Fitbit, BIGGERFIVE, Garmin, GRV, Slothcloud, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Fitness Tracker For Kids in the market, we considered we took a deep dive into 2556 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Fitbit Ace 3 Activity Tracker for Kids with Animated Clock Faces, Up to 8 days battery life & water resistant up to 50 m ,Black/Red. We love many things about this product by Fitbit. What sets it apart from the competition is Long-lasting battery life, Fun, engaging animations, Swim-friendly design.
The best value product for most shoppers and where user satisfaction is continuously the highest is BIGGERFIVE Kids Smart Watch, 1.8" Fitness Watch Pedometer, Heart Rate, Sleep Tracker, IP68 Waterproof, Calorie Step Counter, Puzzle Games with/without APP for Girls Boys Teens 5-16, Blue by BIGGERFIVE based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Fitness Tracker For Kids and the best cost-to-value ratio is Fitbit Ace 3 Activity Tracker for Kids with Animated Clock Faces, Up to 8 days battery life & water resistant up to 50 m ,Black/Redat Fitbit with a 30% discount.
Our list of the best Fitness Tracker For Kids is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Fitness Tracker For Kids in The UK

Related Deals You Might Like for Fitness Tracker For Kids

Fitness Activity Trackers with All-Day Heart Rate Blood Pressure Blood Oxygen Sleep Monitoring Step Running Calorie Counter IP67 Waterproof Pedometer Sports Watch for Women Men Kids Seniors Pink

Fitness Tracker Activity Tracker with Heart Rate Sleep Monitor Smart Watch with Step Calories Counter Pedometer Blood Oxygen IP67 Waterproof with 14 Sports Mode Plug Into Computer for Charging

Tynggko Kids Smart Watch for Boys Girls, Fitness Tracker Watch with Pedometer, 65 Sport Modes, Heart Rate Sleep Monitor, Alarm Clock, Kids Gifts for Boys Girls Teens 10+ (Black)

Ucani Kids Smart Watch 6-16 Years - IP68 Waterproof Fitness Tracker, 1.75" Touch Screen, Heart Rate & Sleep Monitor, 100+ Sports Modes, Gift for Girls Boys (Bright Blue)

Focwony Kids Digital Watch Steps Counter Waterproof Fitness Tracker Wristwatch with Pedometer LED Display Stopwatch for Kids Boys Girls Teenager (Grape Purple)

Fitness Tracker Activity Tracker with Heart Rate Sleep Monitor Smart Watch with Step Calories Counter Pedometer Blood Oxygen IP67 Waterproof with 14 Sports Mode Plug Into Computer for Charging

Cloudpoem Fitness Tracker with Heart Rate Tracker Sleep Tracking Step/Calories Counter,IP68 Waterproof Fitness Watch with Pedometer for Women Men,SMS/SNS/Call Notification for Android iOS Smartphones

Tikkers Series 1 Kids Printed Camo Blue Silicone Strap Activity Tracker TKS01-0003

Kids Smart Watch for Boys, 1.83" DIY Face Fitness Watch Pedometer, Without/with APP Heart Rate Sleep Tracker, IP68 Waterproof Calorie Step Counter, 81 Sport Modes, Puzzle Games for Children 5-16, Blue

GBULTR Fitness Tracker with Sleep Monitor, Activity Tracker with Step and Calories Counter,Fitness Watch with Pedometer, Stopwatch for Women Men,IP67 Waterproof,Step counter Pedometer for Kids

We scanned 511 products

We concluded that: