10 Best Fitness Tracker For Kids in The UK

Last updated on 19/07/2025

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Google Fitbit Inspire 3 Activity Tracker with 6-months Premium Membership Included, up to 10 days battery life and Daily Readiness Score, Black/Midnight Zen

31% OffFree Shipping

Why We Love It

Enhances daily wellness.
Encourages healthier habits.
Stays connected effortlessly.

Main Highlights

Up to 10 days of battery and Water-resistant up to 50m
Compatible with iOS 15 or higher & Android OS 9.0 or higher
Move more: 24/7 heart rate, Daily Readiness Score, Active Zone Minutes, all-day activity tracking, 20+ exercise modes, automatic exercise tracking and reminders to move
Stress less: always-on wellness tracking, daily Stress Management Score, mindfulness sessions, relax breathing sessions, irregular heart rhythm notifications, SpO2, menstrual health tracking, resting heart rate and high/low heart rate notifications
Sleep better: automatic sleep tracking, personalized Sleep Profile, daily detailed Sleep Score, smart wake vibrating alarm, sleep mode
Comfortably connected day and night: calls, texts & smartphone app notifications, color touchscreen with customizable clock faces, Compatible with iOS 15 or higher & Android OS 9.0 or higher, super lightweight and water resistant to 50 meters, up to 10 day battery life
Includes 6-month Premium membership for deeper insights & guidance, exclusive workouts, mindfulness sessions and more

Amzhero Smart Watch for Women Men Kids Boys, Fitness Tracker Watch with 24/7 Heart Rate, Blood Oxygen, Blood Pressure, Step Counter, 5ATM Waterproof Pedometer Activity Trackers for Android iOS

Free Shipping

Why We Love It

Comprehensive health monitoring features.
Supports 24 sports modes.
Impressive 15-day battery life.

Main Highlights

【Health Monitoring and Sleep Tracker】Measure your health indicators (SpO2, heart rate, stress, female menstrual cycle, etc.) 24/7. In addition, this smart fitness watch automatically monitors your sleep status (deep sleep, light sleep, wake up) and provides comprehensive sleep quality analysis, so that healthy sleep starts now.
【24 Sports Modes & IP68 Waterproof】Amzhero Fitness Tracker supports 24 sports such as walking, running, mountaineering, swimming, yoga, hiking, cycling, treadmill, etc. IP68 waterproof design can be worn while washing hands, getting wet or swimming. Not applicable for high humidity and corrosive locations such as spas and seawater.
【Smart Alerts Via BLE 5.0】When connected to your mobile phone via BLE5.0, all notifications, including incoming calls, text messages and social media app alerts, will vibrate on your wrist via the watch, so you won't miss any important moments. Meanwhile, it will vibrate to remind you when you are sedentary to prevent cervical and lumbar spine diseases.
【15-Day Battery Life & Wide Compatibility】This activity trackers is equipped with a 300mAH high-capacity battery that charges for 2 hours and supports 15 days standby time. Large capacity, low power consumption design, longer battery life. Our free app "Gloryfit" supports smartphones with iOS 9.0 / Android 6.0 or later. Each package contains 2 silicone straps.
【Ultra-slim & Custom Watch Dials】1.47-inch full touch screen, smart life at your fingertips. With a slim and lightweight ergonomic design that fits your wrist, you can choose from more than 100 carefully designed dials in the app, and upload your own photos to change the dials as you like, making every day a unique experience!

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 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.

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

Free 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!

TICTIKY Kids Smart Watch for Boys 5-12, Kids Fitness Tracker Watch with Pedometer, No Phone Needed, Games with Parental Control, IP68 Waterproof, Heart Rate, Sleep Monitor, Step Counter, 80 Sports

40% OffFree Shipping

Why We Love It

All-day activity tracking available.
Customizable watch face options.
Encourages healthy habits for kids.

Main Highlights

[All-Day Activity Tracking]: The TICTIKY Stellar 2 Smart Watch for kids and automatically tracks steps, distance, calories burned, and active minutes. With support for 80+ sports modes-including walking, running, cycling, swimming (IP68 waterproof), and basketball-it’s the perfect companion for active kids.
[Comprehensive Fitness & Health Tracking]: Promote your child’s well-being with real-time heart rate monitoring and advanced sleep tracking. The watch analyzes sleep stages (REM, light, deep) to provide insights into sleep quality. Note: Sleep tracking requires more than 3 hours of sleep and long-term wear for accurate results.
[Works With or Without an App]: Use the TICTIKY kids fitness tracker watch independently or connect it to the app for enhanced features. Compatible with Android 6.0+ and iOS 9.0+ smartphones, it offers flexibility for parents and kids alike.
[Customizable Watch Face & 1.83"HD Touch Screen]: Personalize the 1.83"HD touch screen with 100+ cloud dials or upload your child's photos to create unique watch faces. This feature sparks creativity and makes the watch truly their own.
[Puzzle Games & Parental Controls]: Equipped with 5 built-in puzzle games to boost reaction and calculation skills, this smartwatch also includes parental controls. Use the app to restrict game access during school hours or lock games entirely, ensuring a balanced experience.
[Encourages Healthy Habits & Perfect Gift for Kids]: The TICTIKY kids smartwatch motivates children to stay active and develop healthy exercise habits through step tracking, sports modes, and fun challenges. With its stylish design and customizable features, it's the ideal gift for birthdays, Christmas, or any special occasion. Give the gift of health, fun, and creativity to your child today!

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

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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.

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

39% OffFree 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 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

21% OffFree 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.

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)

23% OffFree Shipping

Why We Love It

Tracks activity all day.
Monitors sleep quality accurately.
Customizable and fun watch faces.

Main Highlights

All-day activity tracking: Automatically track your child's steps, distance, and calories burned. Supports 65 activity modes: skiing, football, basketball, running, walking, etc
Sleep monitoring: Kids watches can monitor children's sleep quality, including deep sleep, light sleep, and awake time, and parents will have a deeper understanding of their child's sleep. (Note: Measurement data is for reference only and cannot be used as medical monitoring data)
Customizable watch faces: The kids smart watch has a 1.69-inch HD touchscreen with 30 built-in watch faces to choose from. You can also customize the watch face or generate the desired watch face style through AI. Inspire your kids' creativity!
Wide compatibility and multi-language support: Compatible with Android 5.0+ and iOS 11.0+ smartphones. Kids sport watch supports English, German, French, Spain, Italy, Japanese, etc., with the mobile phone system language change.
Kids gifts for boys and girls: Kids smart watches are a good companion for children's daily life or sports. This watch will be a birthday, New Year, and Christmas gift for kids, boys, girls, and teens.

8.7

Excellent

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We scanned 1462 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, Amzhero, BIGGERFIVE, TICTIKY, GRV, Tynggko, 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 7311 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 Google Fitbit Inspire 3 Activity Tracker with 6-months Premium Membership Included, up to 10 days battery life and Daily Readiness Score, Black/Midnight Zen. We love many things about this product by Fitbit. What sets it apart from the competition is Enhances daily wellness, Encourages healthier habits, Stays connected effortlessly.
The best value product for most shoppers and where user satisfaction is continuously the highest is Amzhero Smart Watch for Women Men Kids Boys, Fitness Tracker Watch with 24/7 Heart Rate, Blood Oxygen, Blood Pressure, Step Counter, 5ATM Waterproof Pedometer Activity Trackers for Android iOS by Amzhero 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 TICTIKY Kids Smart Watch for Boys 5-12, Kids Fitness Tracker Watch with Pedometer, No Phone Needed, Games with Parental Control, IP68 Waterproof, Heart Rate, Sleep Monitor, Step Counter, 80 Sportsat TICTIKY with a 40% 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

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We scanned 1462 products

We concluded that: