Samsung Galaxy SmartTag3: iPhone Support, 790-Day Battery

Samsung's new Galaxy SmartTag3 is the first Samsung tracker that works with iPhones too, with a 790-day battery and a 60-meter finding range.

Image: Samsung

Losing your keys, wallet, bag, or even a pet is one of those small frustrations that ruins a day. Bluetooth trackers like Apple's AirTag and Samsung's Galaxy SmartTag exist to fix exactly that: you clip a coin-sized tag to your stuff, and your phone can find it.

Samsung just unveiled the third generation: the Galaxy SmartTag3. It was announced on October 1, 2026, and it launches first in South Korea on October 7, 2026, in White and Black, with the United States to follow in early November 2026 and more markets in 2027. Here is what is new — and why this one matters even if you use an iPhone.

A much smaller Galaxy SmartTag3

The SmartTag3 is 35% smaller by volume and 33% lighter than the previous SmartTag2, weighing just 9.15 grams. It has a rounded shape with a button decorated with an aluminum finish, which makes it easier to hang from a keychain or drop into a bag pocket without the bulk. Samsung is also selling new official accessories for the new shape, including a Silicone Case with a keyring and a Loop Case.

Image: Samsung

Works with iPhones for the first time

This is the headline change. For the first time in the SmartTag lineup, the SmartTag3 supports both Galaxy and iOS devices through the SmartThings Find app. That means in a family where one person uses a Samsung phone and another uses an iPhone, you can both check and share the location of the same tag — handy for a shared suitcase, a family car key, or a dog's collar.

Image: Samsung

The catch for iPhone users

The iPhone support is not quite complete. Three features do not carry over to iOS: Compass View (the on-screen arrow that points you toward the tag), Ring Phone, and Left Behind Alert. The most advanced finding features also need a compatible Galaxy phone (such as the Galaxy S26 series or Z Fold8) to work at full range. So iPhone users get the core location tracking and sharing, but the full experience is still on Samsung phones.

Finding range tripled: how the tech works

Bluetooth trackers find things in two stages. Stage one is "which general area": when the tag is out of your phone's Bluetooth range, Samsung's Galaxy Find Network — more than 900 million participating Galaxy devices worldwide — can detect the tag and update its location. Samsung says updates now arrive faster after a tag disconnects, and your location data stays encrypted.

Stage two is "where exactly is it": when you get close, the phone guides you to the tag. The SmartTag3 uses the new Bluetooth 6.0 Channel Sounding to show distance and direction from up to 60 meters away — roughly three times farther than the previous generation. As you get within close range, ultra-wideband (UWB) takes over for precise guidance. Think of it like a game of hot-and-cold that gets more precise the closer you get.

Smart alerts: geofences, movement and history

The SmartTag3 adds a few alert features that turn it into more than a "find my keys" gadget:

• Place Notification: set an area on the map and get an alert when the tagged item moves in or out of it — for example, if a pet leaves the garden or a bicycle moves from its usual parking spot.
• Location History: see where the tag has been over the past seven days.
• Movement Detection Alert: get notified when the tag moves while disconnected from your phone — useful for things that should never move, like a toolbox or a stroller.
• Left Behind Alert: your phone warns you when it loses connection with the tag, so you notice a forgotten bag before you leave the café.

It also keeps the older favorites: NFC Lost Mode (someone who finds your tag can scan it with their phone to see your contact details), SmartThings IoT Control for triggering smart home routines with the tag's button, and an IP67 rating for dust and water resistance — so rain or an accidental splash will not kill it.

Galaxy SmartTag3 price, release date and battery

Samsung has kept pricing familiar: $29.99 for a single tag or $99.99 for a four-pack (in Korea, 44,000 won, with a discounted four-piece bundle at 149,600 won). Buyers of the Galaxy Z8, Galaxy S26 series, Galaxy S26 Fan Edition, or Galaxy Tab S12 series get a 30% discount through October 31, 2026.

On battery, the tag runs on a standard, user-replaceable CR2032 coin cell — no charging cables, ever. Samsung estimates up to 550 days of normal use, stretching to 790 days (over two years) in Power Saving Mode. That is comfortably longer than the ~1 year most competing trackers manage.

Should you buy the Galaxy SmartTag3?

A few practical takeaways:

• Mixed-phone families: this is the first Samsung tracker you can genuinely share across Galaxy and iPhone users — perfect for shared luggage, car keys, or a pet's collar.
• Bikes and gear: Movement Detection Alert plus the 60-meter finding range make it a cheap theft-determent helper for bicycles and toolboxes.
• Pet owners: Place Notification can tell you when a tagged pet leaves a set area, without a subscription fee (unlike GPS collars).
• Who should skip: if everyone in your household uses iPhones and you want the full directional-finding experience, Apple's own tracker ecosystem is still the better fit — the SmartTag3's best features need a Galaxy phone.

For more gadget news and practical explainers on the latest hardware, keep reading Top Tech Today.

Sources: Seoul Economic Daily, Technobezz, Pokde.net