2026年 April

10 Best スマートトラッカー in 日本

Last Updated - 02/04/2026

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Best Choice
01

Tile

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On Amazon

Life360 Tile Starter Pack, 2 Pack (Mate+Slim), Navy, Smart Tracker, Smart Tag, Anti-lost Tag, Prevents Misplacing, Sounds and Notifies Locations, Waterproof Function, Find Out Outside Bluetooth Range
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

iOS & Android Compatible: The free Tile app is all available on your smartphone
Smart tracker to find what you are looking for with "sounds": attach it to your keys, wallet, bag, bicycle, etc
Not compatible with GPS and Air Tag
Life360 APP Linkage: The Life360 app can add your Tile location information and send SOS alerts
High Specs: Bluetooth transmission distance up to 105m. Up to 3 years battery life IP68 Waterproof
GREAT GIFT IDEA: Tile makes an easy and convenient gift for family and friends
FIND YOUR PHONE: Use Tile, even if your phone is in silent mode
FIND YOUR ITEMS: If you misplace somewhere, ring your Tile or search for the free app

￥8,240
02

eufy

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[Upgraded Version] Anker Eufy SmartTrack Card E30 (Rechargeable Anti-lost Tracker) [Compatible with Charging/Search Apple (iOS Device Only) / Anti-lost tag / Smart Tracker / Find your smartphone / Avoid misplacing / Anti-lost object / Anti-lost object / Ring your smartphone
9.7

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

Prevent Loss In Second: You can ring the SmarTrack from your smartphone to check where your belongings are placed, or press the SmartTrack to check where your smartphone is placed. It is also equipped with a function that prevents misplacing your belongings so you can notify you if you have misplaced or left away. You must set the permission to use location information "always."
Package Includes: Eufy SmartTrack Card E30, USB-C & USB-A Cable, Magnetic Charger, Quick Start Guide, Customer Support *USB Type-A Charger (sold separately) is required for charging
No more lost items are losted; this card is approximately 0.1 inch (2.6 mm) and fits neatly in your wallet or card case
Lasts up to 1 year on a single charge: The popular SmartTrack Card features a rechargeable battery that will last up to 1 year on a single charge
For Lost Bags: You can locate the position even if you lose your luggage at your destination, so you can enjoy your trip with peace of mind. (*This product may not be used by airplanes, so please check the check-in luggage and carry-on regulations of each airline. )
Compatible with Apple's "search" network for iPhone, iPad and Mac devices to locate the drop location. Some functions are not supported. The "Find" function is only compatible with Apple devices

￥4,990
Best Value
03

UGREEN
12% Off

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UGREEN FineTrack Smart Finder Rechargeable Smart Tracker, Compatible with Apple "Find" (iOS Device Only), Anti-Find Tag, USB-C Charging, 1 Year Lasting, Ultra Thin, Anti-Lost, Device Wallet, Key Bag, Compatible with iPhone
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

USB-C Rechargeable and Long Lasting: Rechargeable so no need to replace batteries. A convenient smart tag that can be used up to 1 year on a single full charge with a USB-C charge
Please confirm the genuine UGREEN products are sold and sold by the manufacturer "Ugreen Japan Co., Ltd". By purchasing an authentic product, we can offer a manufacturer warranty, safety verified quality, and customer support. In order to receive complete authentic products, please confirm that the "Sold by" information on the product page is "Ugreen Japan Co., Ltd" before purchasing
LOUD SOUND & WORLDWIDE TRACKING: Powerful buzzer sound up to 80 dB to detect drops. Utilize Apple device network around the world to update location with unlimited distance. Allows for precise positioning regardless of domestic and international use
EASY TO SETUP & ULTRA-THIN & LIGHTWEIGHT DESIGN: Works seamlessly with the "search" app. Easy setup with just a tap. Slim profile design makes your anti-lost tracker easy to put in your wallet, keys or bag
Discover lost items at a moment's notice. Official Apple Licensed and Search Compatible (iOS only): Fully compatible with Apple's official "Search" network. Reliability and durability No special app required, you can start using the iPhone "Search" app. You can have peace of mind knowing your Apple ID is privacy
ANTI-LOST NOTICE & SHARE: Instant notification when you leave your item to prevent forgotten. Share positions on up to 5 Apple devices Great for family monitoring luggage management
24 MONTHS WARRANTY: We offer 24 months warranty for products purchased from our store. We guarantee the delivery date after 24 months from the date of purchase. Note: If you recognize accidentally damaged by you or a third party, it will not be covered by the warranty

￥2,200 ￥2,499 12% Off
04

UGREEN

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UGREEN FineTrack Slim Smart Finder Anti-lost Tag Tracker Card Slim 0.07 inch (1.7 mm) Ultra Thin Wallet Finder, Compatible with SmartTrack Card, Apple "Find My" (iOS Device Only), iPhone Compatible
9.5

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

【Ultra-thin Design】The tracker card features an ultra-thin design, as thin as a single American penny, making it lightweight, agile, and convenient to carry It is easy to wear or put in your bag SmartTrack Slim will surely become a reliable assistant in your life
【Ultra-loud sound, easy to find】The tracker card has a built-in ultra-loud buzzer with a maximum volume of 80dB, allowing you to confirm the location of items and find them easily Simply launch the "Find" app or call Siri, and you can easily locate items such as keys, wallets, and mobile phones
【Supports information sharing for up to 5 Apple devices】; Supports connection of up to 32 tags with one phone; Various applications: lightweight insertion into wallets, and with an open-hole design, the product can be hung on keys/backpacks/luggage; Easy to connect and remove the product
【Magnetic Rapid Charging】The smart tag is equipped with a super strong magnetic adsorption function, allowing for quick charging with just one attachment, making charging more convenient Equipped with a built-in 155 mAh lithium polymer battery, it allows for up to 12 months of long-term use on a single charge ※ The "Find" app can display the real-time battery level, making it convenient to charge in a timely manner when the battery is low
【Global Positioning】The FineTrack Slim has overall precise positioning and, through the Apple "Find My" network, can easily track the location of items wherever they are placed in the world No longer do you need to worry about losing items and not being able to get them back
【Forget-Me-Not Alert】If you move away from the smart tracker at a certain distance, your smartphone will automatically receive a pop-up reminder This distance varies depending on the interference from the surrounding environment Moreover, the IP68 waterproof protection allows it to function normally underwater without any issues for 30 minutes
Find lost items with a beep! [Apple "Find My" Certification (iOS Only)] Location tracking device that has obtained Apple "Find My" certification, available only for iOS systems With Apple "Find My" certification, there is security and reliability during use, so you can use it with peace of mind

￥3,550 ￥3,799
05

UGREEN

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UGREEN FineTrack Smart Finder 1 Piece Smart Tracker Compatible with Apple "Find My" (iOS Devices Only) Smart Tag SmartTrack Anti-loss Tag/Item Finder for Keys/Bags/Wallets/Luggage/Pet Collars etc
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

【Ultra-loud Volume & Easier to Locate】 The UGREEN tracker, with its built-in buzzer, makes it easier to confirm the location with a sound up to 80 dB when the item is not found Support searching by running the "Find" app or Siri
【Small and Thin】 The Finder product is sized at 36*36*7.4mm, which is thinner compared to other tags In addition, you can share information with up to 5 iPhone devices One smartphone can connect up to 32 tags, allowing you to easily manage multiple items Finder products bring convenience and make your life more convenient
【Replaceable battery, battery life of 2 years】The UGREEN tracker features a replaceable battery and long operating time of 2 years: it uses a built-in 225mAh battery and a low-power chip, and since it uses a CR2032 button battery, you can easily check the power in the "Find" app And, having obtained UL4200A certification, it features a safe and sturdy structure, preventing children from easily opening the cover and swallowing button batteries
【Global Positioning - Unlimited Distance】The UGREEN tracker has an overall precise location and, through the Apple "Find" network, can easily track the location of items anywhere in the world as long as there is an Apple device (iPhone/iPad/Mac) nearby No longer do you need to worry about losing items and not being able to get them back
【Forget-Me-Not Alert】If your Apple device disconnects from Bluetooth, you will receive a notification immediately Whether you accidentally misplace your bag at the gym or leave your keys at the office, the "Leave Alert" allows you to retrieve items in no time
UGREEN Smart Tracker can be used in various situations It has an opening design, making it easy to attach to important items such as keys, bags, and suitcases Bonus stickers included to make it easy to record the use of each tag and help you manage items Convenient for travel and daily life, Finder products will make your life more comfortable
Find lost items with a beep! 【Apple 'Find My' certified (iOS only)】: UGREEN Smart Tracker is certified by Apple Even when Apple devices are offline, you can easily keep track of them with the "Find My" app Find your device with "Find My" that allows you to track your customer's devices at a glance on the iPhone, iPad, or Mac home screen

￥1,999
06

eufy

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On Amazon

Anker Eufy Security SmartTrack Link for iPhone (Lost Prevention Tracker) 【Nothing gets lost / Loss Prevention Tag / Finding items / Compatible with Apple's "Find" (iOS devices only) / Find your phone
9.1

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

Prevent loss before it happens: Use SmarTrack from your smartphone to confirm the location of your belongings, or conversely, press SmartTrack to confirm the location of your smartphone It also comes with a reminder function to prevent you from forgetting your belongings. If you leave your belongings behind, an alert will notify you ※ You need to set the location permission to "Always"
Package Contents: Eufy Security SmartTrack Link, quick start guide, safety manual, customer support
Compatible with Apple's "Find My": You can locate lost items using the "Find My" network on iPhone, iPad, and Mac devices ※Some features are not supported Apple, iPhone, iPad, and Mac are registered trademarks of Apple Inc., registered in the U.S. and other countries Find My is a trademark of Apple Inc ※The "Find" feature is compatible with Apple devices only
A small tag-shaped item, about 3.7 cm square, to prevent lost items from disappearing Since it has holes, it can be directly attached to a keychain, etc ※Rings are not included

￥2,990
07

Tile

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On Amazon

Life360 Tile Mate Standard Model, Light Blue, Smart Tracker, Smart Tag, Anti-lost Tag, Prevents Forgotten, 3 Years Battery Replacement, Sounds and Notifies Location, Long Distance Connection
9.0

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

iOS & Android Compatible: The free Tile app is all available on your smartphone
Smart tracker to find what you are looking for with "sounds": attach it to your keys, wallet, bag, bicycle, etc
Not compatible with GPS and Air Tag
Life360 APP Linkage: The Life360 app can add your Tile location information and send SOS alerts
High Specs: Bluetooth transmission distance up to 105m. Up to 3 years battery life IP68 Waterproof
GREAT GIFT IDEA: Tile makes an easy and convenient gift for family and friends
FIND YOUR PHONE: Use Tile, even if your phone is in silent mode
FIND YOUR ITEMS: If you misplace somewhere, ring your Tile or search for the free app

￥4,925
08

BUFFALO
16% Off

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On Amazon

Buffalo Smart Tracker Anti-Loss Finder Thin Card Type Anti-Loss Tag Smart Tag Waterproof Fits in Wallet Easy 60-Second Initial Setup Video Available Compatible with iPhone iPad "Find" App Wallet
8.7

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

You will receive a push notification when you are away from your belongings, so you can avoid misplacing it And when you realize that you have lost something, switching to "Lost Mode" from the app will notify the registered terminal of the detected location of the product
This is a smart tracker that allows you to check the location using the "Find" app on your iPhone or iPad You can put it in your purse or bag to prevent losing or misplacing important items Built-in battery disposable type, can be used for up to 3 years
It features an IPX6-rated waterproof design that is highly resistant to moisture from sweat and rain
Credit card size that fits easily into the card pockets of wallets and passport cases Thin at 2.4mm thickness and slim design, it does not take up space
Compatible with iPhones running iOS 14.5 or later iPhone 16/16 Plus /16 Pro/16 Pro Max/16e, iPhone 15/15 Plus /15 Pro/15 Pro Max, iPhone 14/14 Plus/14 Pro/14 Pro Max, iPhone 13/13 mini/13 Pro/13 Pro Max, iPhone 12/12 mini/12 Pro/12 Pro Max, iPhone 11/11 Pro/11 Pro Max, iPhone XS/XS Max, iPhone XR, iPhone X, iPhone 8/8 Plus, iPhone 7/7 Plus, iPhone 6s/6s Plus, iPhone SE (1st Generation/2nd Generation/3rd Generation)
By rounding the edges of the main body, it allows for smooth storage in card pockets of wallets, etc Moreover, the surface of this product features a grain texture, making fine scratches less noticeable
Built-in speaker that can play sounds from the "Find" app When you can't find your belongings with this product inside, you can use the "Find" app to make it easier to locate your items by making the product ring
Buffalo is a Japanese PC peripheral equipment manufacturer that boasts the No.1 share※ in 12 categories including Wi-Fi routers and external SSDs We are committed to daily product development and enhancing our domestic support system to ensure customers can use our products with peace of mind ※2024 BCN research

￥2,080 ￥2,480 16% Off
09

UGREEN

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On Amazon

UGREEN FineTrack Slim Duo Google/Apple Officially Licensed Ultra Thin Tracker Card Anti-Lost Tag 1.7mm Thickness & 5 Year Long Battery Life Waterproof Dustproof IP68 Compatible with Google Search Hub
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

Ultra Thin 1.7mm Card Design - UGREEN FineTrack Slim Duo is only 1.7mm thick. While the ultra-thin body is as thin as a credit card, the special cold-compression technology ensures extreme strength and durability. It fits neatly in your wallet, passport case or notebook pocket, and blends naturally as part of your daily life
OFFICIALLY LICENSED BY GOOGLE & APPLE FOR PEACE OF MIND: This smart tracker is officially licensed for both Google Find Hub and Apple's "Search" networks. Passes stringent standards, ensuring quality and reliability You can use it immediately regardless of your smartphone, such as Android or iPhone. No special app required, easy to set up from the original app of each OS
Loud Buzzer & Smart Anti-Lost: Built-in high performance buzzer emits loud volume up to 100-80dB. Instantly locate locations in hard to see areas, such as sofa crevices and bags. Moreover, it also has a misplace notification function, which will automatically receive alerts when the smartphone and tracker are away than a certain distance to prevent you from accidentally forgotten
LONG-LASTING BATTERY UP TO 5 YEARS & MAINTENANCE FREE: UGREEN tracker eliminates the hassle of charging or changing batteries. Built-in lithium battery lasts up to 5 years on a single installation. This allows you to focus on the original purpose of preventing loss, and eliminates the hassle of maintenance
IP68 waterproof and dustproof rating, safe for all occasions: Equipped with the highest level of IP68 waterproof and dust-proof. Not only can it be used outdoors where sudden rain or splashes of water, but it also protects the interior from accidental washing. You can use it safely in a variety of situations, such as outdoor activities and travel

￥3,799
10

Dyoac
29% Off

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On Amazon

Dyoac Anti-Loss Tag, Ultra Long-Lasting, Up to 10 Years of Use, Ultra-Thin 1.6 mm, AirTag Card, GPS for Kids, Small, Wallet GPS Tag, Smart Tag, Anti-Forgetting Tag, Car, Card-Shaped Smart Tracker,
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

Waterproof and Durable: It has a high level of dust and waterproofing (IP68), so it can also be used outdoors, where products like it would normally be susceptible to rain.If it gets dirty, you can wash it with water. Made of thin but sturdy material for excellent durability.Japanese Instruction Manual: Contains detailed information on topics such as preparation before use, connection methods, usage, how to reset it, and checklists for when you think there is a problem (English language version not guaranteed).----
Ultra-Thin Compact GPS Card: Only 0.06 inch (1.6 mm) thick. This super convenient credit card-sized anti-loss tag is the equivalent of two credit cards in terms of size and thickness, and can easily be put in the side pocket of a wallet, suitcase or bag.Many similar products available on the market are old and bulky, over 0.08 inches (2 mm) thick (equivalent to 3 to 4 credit cards), but this latest model, with a thickness of 0.06 inches (1.6 mm), fits neatly into your wallet or card case without any hassle.Good at Finding What You Are Looking For: Find it on the map in one go! You can pinpoint the location of what you're looking for on the map, and check the route, distance and time to get there in one go.Positioning is possible even overseas.Great for tracking dropped articles and valuables, anti-loss, and anti-theft.Unlike the traditional small GPS tags, it uses less power and has a longer battery life.
Ultra High-Performance Anti-Loss Tag: Compared to conventional products and other products on the market. Reasons to Choose the KVWOMS Finder Card: (1) No charging needed. No battery replacement required. Among disposable smart tags, it lasts the longest. (2) The thinnest GPS tag in the industry. Only 0.06 inches (1.6 mm) thick. (3) IP68 top-level waterproof and dustproof. Washable. (4) Equipped with a loud 100dB buzzer. (5) Comes with an LED lamp. Clearly indicates whether it has been pushed down correctly. Easy to find even at night. (6) MFi & Telec certified. Compatible with Apple "Find My". (7) Durable and resistant to bending. *This product is for iOS only.Not compatible with Android,Lasts Up to 10 Years: Uses long-lasting battery and power saving technology.The longest-lasting among disposable types.No need to worry about battery replacement or charging.Useful for a variety of occasions, such as wallets and valuables prevention, dog and cat tracking, helping children and elderly people avoid losing things, checking the position of the car or motorcycle, and preventing theft.Battery drain may vary depending on the usage environment and how often the product has produced sounds.
Supported "Find My" App, MFi Certified for Peace of Mind: Meets performance standards set by Apple, ensuring compatibility with iOS devices.Supported by Apple's "Find My" network, it ensures a stable connection, which allows you to use it not just in Japan but anywhere around the world.In addition, it’s also certified under technical compliance standards.This smart tracker was developed exclusively for IOS so you can connect your iOS device in 3 easy steps.No need to download any third-party app.Privacy Protection: Location information etc. can only be confirmed with the Apple ID that is linked to it.Unless you unpair it, the anti-loss tag will reset, and it will not connect with other Apple IDAdditionally, as it is linked with Apple's "Find My" network, all data and information are encrypted in accordance with Apple's privacy policy, ensuring strict protection of your privacy.You can use it with confidence knowing that it you will never be personally identified.
Sound the Tone to Find: If it's hidden nearby, pressing the "Play Sound" button in the "Find My" app will cause it to make a sound, notifying you of its location.Or just say, "Hey Siri, find my wallet."It frees you from the frustration and anxiety of not being able to find your belongings.It is smarter and easier to use than conventional devices for finding dropped or missing articles.Equipped with NFC, This Tag Keeps You from Forgetting Things: You’ll receive a push notification when it’s out of range. If you leave it behind, you can immediately go back to retrieve it.You can also set exclusions for places where notifications aren’t needed, like your home or office. Additionally, if the card is lost, enabling "Lost Mode" locks it, and when identified through the "Find My" app, the finder will see the owner's phone number or email address that he or she provided displayed.

￥2,848 ￥3,999 29% Off

10 Best スマートトラッカー in 日本

Life360 Tile Starter Pack, 2 Pack (Mate+Slim), Navy, Smart Tracker, Smart Tag, Anti-lost Tag, Prevents Misplacing, Sounds and Notifies Locations, Waterproof Function, Find Out Outside Bluetooth Range

[Upgraded Version] Anker Eufy SmartTrack Card E30 (Rechargeable Anti-lost Tracker) [Compatible with Charging/Search Apple (iOS Device Only) / Anti-lost tag / Smart Tracker / Find your smartphone / Avoid misplacing / Anti-lost object / Anti-lost object / Ring your smartphone

UGREEN FineTrack Smart Finder Rechargeable Smart Tracker, Compatible with Apple "Find" (iOS Device Only), Anti-Find Tag, USB-C Charging, 1 Year Lasting, Ultra Thin, Anti-Lost, Device Wallet, Key Bag, Compatible with iPhone

UGREEN FineTrack Slim Smart Finder Anti-lost Tag Tracker Card Slim 0.07 inch (1.7 mm) Ultra Thin Wallet Finder, Compatible with SmartTrack Card, Apple "Find My" (iOS Device Only), iPhone Compatible

UGREEN FineTrack Smart Finder 1 Piece Smart Tracker Compatible with Apple "Find My" (iOS Devices Only) Smart Tag SmartTrack Anti-loss Tag/Item Finder for Keys/Bags/Wallets/Luggage/Pet Collars etc

Anker Eufy Security SmartTrack Link for iPhone (Lost Prevention Tracker) 【Nothing gets lost / Loss Prevention Tag / Finding items / Compatible with Apple's "Find" (iOS devices only) / Find your phone

Life360 Tile Mate Standard Model, Light Blue, Smart Tracker, Smart Tag, Anti-lost Tag, Prevents Forgotten, 3 Years Battery Replacement, Sounds and Notifies Location, Long Distance Connection

Buffalo Smart Tracker Anti-Loss Finder Thin Card Type Anti-Loss Tag Smart Tag Waterproof Fits in Wallet Easy 60-Second Initial Setup Video Available Compatible with iPhone iPad "Find" App Wallet

UGREEN FineTrack Slim Duo Google/Apple Officially Licensed Ultra Thin Tracker Card Anti-Lost Tag 1.7mm Thickness & 5 Year Long Battery Life Waterproof Dustproof IP68 Compatible with Google Search Hub

Dyoac Anti-Loss Tag, Ultra Long-Lasting, Up to 10 Years of Use, Ultra-Thin 1.6 mm, AirTag Card, GPS for Kids, Small, Wallet GPS Tag, Smart Tag, Anti-Forgetting Tag, Car, Card-Shaped Smart Tracker,

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