2025年 July

10 Best activity fitness trackers in 日本

Last Updated - 20/07/2025

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Best Choice
01

Garmin

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On Amazon

Garmin vivofit jr. 3, Fitness Tracker for Kids, Includes Interactive App Experience, Swim-Friendly, Up To 1-year Battery Life, Blue Stars
9.8

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

With a step-to-toe challenge, children can join in friendly step contest by syncing with their nearby friends (vívofit jr.2 or vívofit jr.3 required)
Track your child's steps, estimated sleep and daily recommended 60 minute activity to see the overall image
Timed activities allow you to track estimated steps and distance during play time, soccer practice, etc. View the activity you saved in the Garmin Junior app later, (you must load the garmin jr. app on the parent's compatible smartphone paired with vívofit jr. 3)
Inspire children to achieve active minute goals to unlock fun app adventures, games and icons (you need to load the Garmin jr. app to your parent's compatible smartphone paired with vívofit jr. 3)
Includes an interactive app experience that allows children to participate in the Garmin World Tour. Your child will be able to find exciting new places and tours (you need to load the Garminjr. app onto the parent's compatible smartphone paired with vívofit jr. 3)
Included Components: vívofit jr.3, adjustable band and document
Ice (emergency) widgets for quick access to child's emergency contact information
For easy chores management, parents can use the GARMIN Junior app to assign tasks and schedule alerts and alarms and reward children for good behavior (need to load Garminjr. app to the parent's compatible smartphone paired with vívofit jr. 3)
Durable and easy to swim fitness tracker features a large color display with multiple watch face options and has a battery life of up to 1 year. No charging required, battery is parent replaceable

￥20,837
02

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HalfSun Fitness Tracker, Activity Tracker Fitness Watch with Heart Rate Monitor, Blood Pressure Monitor, IP67 Waterproof Smart Watch with Sleep Monitor, Calorie Counter, Pedometer
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

￥18,418
03

Ungtyb

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Adorable Waterproof Step Counter Fitness Tracker Watch, Smart Activity Pedometer with Calorie & Distance Tracking, Wearable Sports Watch for Men & Women, 1 Piece
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Waterproof Step Counter Watch for Daily Activity Tracking: Monitors steps, distance, and calories burned to help you stay on top of fitness goals
Smart Fitness Tracker Watch with Easy-to-Read Display: Features a user-friendly screen that shows real-time stats for a seamless experience
Long Battery Life with Quick Charging Capability: extended usage on a single charge, eliminating frequent recharging hassle
Lightweight & Comfortable Design for All-Day Wear: Ergonomic wristband ensures a snug fit, making it perfect for workouts, work, and casual use
Accurate Pedometer with Calorie & Distance Measurement: Precisely tracks your movements, providing detailed insights into your daily activity levels

￥369
Best Value
04

Jubepk

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On Amazon

Step Counter Watch, Fitness Tracker Watch, Calorie Distance Pedometer, Waterproof and Portable Smart Activity, Ideal for Women and Men Tracking Fitness Goals
9.2

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Waterproof and Durable Design: Designed to withstand the elements, this fitness tracker watch is waterproof, making it perfect for outdoor activities, rain or shine. Its durable construction ensures it can handle sweat, moisture
Portable & Comfortable Fit: Lightweight and comfortable, this fitness tracker watch is portable, meaning you can wear it all day without discomfort. Its sleek design ensures it fits snugly on your wrist, so you can track your activity
Ideal for Men and Women: This fitness tracker watch is designed to meet the needs of both men and women. Whether you're aiming to maintain an active lifestyle or push for specific fitness goals, this versatile watch the perfect solution
Calorie and Distance Monitoring: Not just a step tracker, this watch also measures the calories burned and tracks the distance you' covered. With this extra functionality, you can get a complete picture of your daily physical activity
Accurate Step & Activity Tracking: This step counter watch accurately tracks your steps, distance, and calories burned throughout the day. Whether you're walking, jogging, or running, it helps you stay on top of your fitness goals by providing precise data

￥419
05

Fruusv

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On Amazon

Step Counter Watch, Fitness Tracker, Waterproof Pedometer, Portable Calorie & Distance Monitor, Smart Activity Tracker (USB Rechargeable), For Women & Men, Black, White
8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Waterproof & Durable Design: Designed for active lifestyles, this fitness tracker watch features a waterproof build, allowing you to wear it while sweating, washing hands, or during light rain, ensuring reliability and long-lasting performance in various conditions
Long Battery Life for Continuous Tracking: Featuring an energy-efficient design, this portable smart activity tracker provides long battery life, reducing the need for frequent charging and ensuring uninterrupted step counting and fitness tracking throughout the day
Lightweight & Comfortable Fit: Crafted with a sleek, lightweight design, this step counter watch all-day comfort, making it ideal for daily wear if you're walking, running, or engaging in casual exercise, without adding unnecessary bulk to your wrist
Easy-to-Use & No App Required: With a simple, user-friendly interface, this pedometer watch functions without the need for a smartphone or app, making it perfect for seniors, kids, and anyone who prefers a straightforward fitness tracker without complex setups
All-in-Fitness Tracking: This step counter watch accurately tracks steps, distance, calories burned, and activity duration, making it an essential fitness companion for anyone looking to monitor their daily movement and achieve their health goals effortlessly

￥419
06

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HFNOISIKI Fitness Tracker, Activity Tracker Smart Bracelet with Heart Rate Monitor Blood Pressure Monitor-305
8.6

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

￥11,681
07

GRV

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GRV Smart Watch, Activity Tracker, Pedometer, Stopwatch, Long Lasting Battery, Line, Incoming Call Notifications, Screen Brightness Adjustment, Timer, Stopwatch, Birthday, Respect for the Aged Day,
8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Timer, Stopwatch, Breathing Training: Comes with a timer and stopwatch, so it can be used with sports. This watch is convenient for both adults and children. If you are an ordinary office worker or sitting for a long time, click the "Relax" button on the watch to relax for a while
IP68 Level Waterproof Performance, Compatible Models/Customer Service: IP68 level waterproof and dustproof, so you don't have to remove it when washing your hands or face or washing it on rainy days. Please do not wear it in high temperature environments such as baths, saunas, hot springs, hot springs, or high water pressure. Compatible with smartphones with Bluetooth 4.0, IOS 7.1 / Android 4.4 or above, but not compatible with Sony Xperia series. Not compatible with PC or tablet. The manufacturer warranty is 1 year from the date of purchase. If the product purchased from the seller is defective, please contact customer service support. Account Service: Order history, Seller, Ask questions
HD Screen / Multiple Exercise Modes: The 1.3-inch color 2.5D glass screen is lightweight and beautiful. Larger screen makes it easier to check time and message contents. In addition to the functions of your steps, it also comes with 9 different exercise modes: running, tredime, fitness, biking, mountain climbing, yoga, walking, hiking, and dynamic, so you can satisfy your various exercise needs
Convenient Notification Function: Notifications of incoming calls, LINE, Twitter, Instagram, SMS, Facebook, etc., are all vibrated, so you will never miss any important messages. It will also display the message, the name of the recipient's name or icons for the corresponding app. Also, if it is inconvenient to take a call when you are in a meeting or on the train, you can reject it by holding down for 3 seconds. Receive incoming call notifications, you can hang up the call with the watch. It works quietly, so it won't disturb people around you
(Various Style Dial, Adjustable Brightness) The dial is designed with 4 different styles of dial. Digital style display with large letters, very convenient for old people. There is also a second hand sieve display. It seems to be ideal for businessmen and people with strict work time. The brightness of the screen can be divided into 5 levels. According to the ambient brightness, the smart watch screen brightness can be achieved to save battery power. The replacement belt is suitable for children, businessmen and women. Makes a great gift for Spring Day, Birthdays, Father's Day, and Mother's Day

￥3,698
08

Ungtyb

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Pedometer for Walking, Digital Lcd Step Counter Trackers, Daily Activity Monitor with Target Goals, Perfect for Sports, Travel, Hiking, Indoor Workouts and Senior Fitness, 1.4 inches (3.6 cm) White
8.4

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Whether you're hiking, swimming (splash-proof), or walking around the house, this step counter helps promote daily movement, track progress, and support a healthy lifestyle
Stay active and motivated with this digital LCD pedometer, designed to accurately count steps, track distance, and monitor daily goals for walking, running, or low- exercises
Lightweight and compact with a secure design, this pedometer is perfect for attaching to waistbands, belts, or pockets during indoor workouts, errands, or outdoor adventures
Features a user-friendly interface with a large clear screen that displays steps at a glance — ideal for seniors, beginners, or fitness enthusiasts of all ages
Built with energy-efficient technology, it provides long battery life and reliable tracking without the need for or app syncing, making it ideal for travel or minimal setups

￥249
09

ノーブランド品

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On Amazon

Step Counter Watch, Fitness Tracker Band, Waterproof Calorie Monitor, Lightweight Portable Build, Long Battery Life, Ideal for Tracking Daily Steps and Workout Activities
8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Water-reistant Solution: No fear of sweat or light rain, perfect for various outdoor sports scenes, keeping your Step Counter Watch safe and functional
Enhanced Energy Efficiency: Thanks to its high-capacity built-in battery, this Step Counter Watch delivers dependable long-lasting performance, eliminating the need for frequent charging
Efficient Step Counting: The high-precision sensor in this Step Counter Watch ensures accurate step counting, helping you effortlessly monitor your daily exercise data for informed progress tracking
Comfortable Design: Designed with a comfortable fit and using lightweight materials, this Step Counter Watch ensures comfort for extended workouts or daily wear, promoting ease and durability
Clear LED Display: Our Step Counter Watch comes with a clear LED display, making it easy to read data even in strong outdoor light, enhancing accuracy and practicality

￥423
10

ノーブランド品
15% Off

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On Amazon

Step Counter Watch For Walking - Portable Exercise Tracker, Smart Wrist Wearable Devices For Running, Waterproof Calorie Distance Pedometer
8.1

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
Main highlights

Waterproof Function: With its waterproof feature, never worry about sweat or light rain while in different outdoor sports, ensuring durability and reliability
Precise Step Counting: Featuring a high-precision sensor, this watch cracks steps, distance, and calories, enabling seamless observance of your exercise routine
Long-Lasting Comfort: Made with lightweight materials and a design, this Step Counter Watch ensures long-term wearability, perfect for daily exercise routines
Enhanced Energy Efficiency: Thanks to its high-capacity built-in battery, this Step Counter Watch dependable long-lasting performance, eliminating the need for frequent charging
Easily Track Progress: Clear LED display our Step Counter Watch provides easy in bright outdoor light, adding convenience to your fitness routine

￥379 15% Off

10 Best activity fitness trackers in 日本

Garmin vivofit jr. 3, Fitness Tracker for Kids, Includes Interactive App Experience, Swim-Friendly, Up To 1-year Battery Life, Blue Stars

HalfSun Fitness Tracker, Activity Tracker Fitness Watch with Heart Rate Monitor, Blood Pressure Monitor, IP67 Waterproof Smart Watch with Sleep Monitor, Calorie Counter, Pedometer

Adorable Waterproof Step Counter Fitness Tracker Watch, Smart Activity Pedometer with Calorie & Distance Tracking, Wearable Sports Watch for Men & Women, 1 Piece

Step Counter Watch, Fitness Tracker Watch, Calorie Distance Pedometer, Waterproof and Portable Smart Activity, Ideal for Women and Men Tracking Fitness Goals

Step Counter Watch, Fitness Tracker, Waterproof Pedometer, Portable Calorie & Distance Monitor, Smart Activity Tracker (USB Rechargeable), For Women & Men, Black, White

HFNOISIKI Fitness Tracker, Activity Tracker Smart Bracelet with Heart Rate Monitor Blood Pressure Monitor-305

GRV Smart Watch, Activity Tracker, Pedometer, Stopwatch, Long Lasting Battery, Line, Incoming Call Notifications, Screen Brightness Adjustment, Timer, Stopwatch, Birthday, Respect for the Aged Day,

Pedometer for Walking, Digital Lcd Step Counter Trackers, Daily Activity Monitor with Target Goals, Perfect for Sports, Travel, Hiking, Indoor Workouts and Senior Fitness, 1.4 inches (3.6 cm) White

Step Counter Watch, Fitness Tracker Band, Waterproof Calorie Monitor, Lightweight Portable Build, Long Battery Life, Ideal for Tracking Daily Steps and Workout Activities

Step Counter Watch For Walking - Portable Exercise Tracker, Smart Wrist Wearable Devices For Running, Waterproof Calorie Distance Pedometer

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