If you’re the kind of traveler who double-checks that both your TSA lock and your AirTag are in place before heading to the airport, you’ve probably wondered if there’s a smarter way to keep tabs on your luggage. Fumbling with separate gadgets can be a hassle—especially when you’re in a rush or worried about a tracker falling out of a side pocket.

That’s where KeySmart’s SmartLock steps in: it promises to combine the physical security of a cable lock with the tracking power of Apple’s Find My network, so you can secure your bag and locate it from your iPhone, all in one device. But does it actually deliver a better experience than carrying both a regular lock and a separate tracker—and is the bundle pricing worth it? We put SmartLock to the test to find out.

What Is SmartLock?

SmartLock, made by KeySmart, is a TSA-accepted combination cable lock with an Apple Find My chip built into the housing. Instead of carrying a separate padlock on your zipper and a separate AirTag buried somewhere in your bag, the two functions live in one device: you set your own 3-digit combination to physically secure the bag, and the same unit pairs with your iPhone's Find My app to show its location on a map.

For travelers who value both security and peace of mind, SmartLock aims to streamline your packing routine. Rather than worrying about whether your AirTag is still in your bag or if your lock will be accepted at airport security, this device brings both functions together. The lock feels substantial in hand and the integration with Apple's Find My network means you can check your luggage's location from anywhere your iPhone has service. This dual-purpose approach is especially appealing for those who want to minimize the number of gadgets they carry, or for frequent flyers who have experienced the hassle of lost or delayed bags.

The brand markets it as the first TSA-approved lock with built-in Apple tracking - we can't independently verify a 'first-of-its-kind' claim, but the combination is genuinely less common than either a lock or a tracker sold on its own. The pitch is that you stop juggling two separate travel gadgets (and stop worrying about an AirTag falling out of an unzipped pocket) in exchange for one device that does both jobs.

Tracking runs on a replaceable CR1632 coin battery, but KeySmart designed the locking mechanism to work independently of that battery - so even if the tracker dies mid-trip, the combination lock itself keeps functioning normally. That's the detail we spent the most time testing, since it's the whole reason to trust a smart lock over a dumb one.

To visualize the difference, here's a quick comparison:

Is SmartLock Right For You?

Here’s who should (and shouldn’t) consider SmartLock for their next trip:

Who Should Try SmartLock

• You travel with an iPhone and want to track your bag through Apple’s Find My network without juggling a separate AirTag.
• You want a TSA-accepted lock that physically secures your luggage and can be opened by airport security without damage.
• You value the ability to share your bag’s location with up to five trusted people (family or travel companions) via Find My.
• You’re looking to consolidate travel gadgets and minimize the risk of a tracker falling out or getting separated from your bag.

Who Should Not Try SmartLock

• You use an Android device (SmartLock does not support Android or Google’s tracking network).
• You prefer combination locks with clear alignment marks for easier setup and unlocking.
• You’re looking for the lowest-cost option and don’t need tracking, as a basic TSA lock will be much cheaper.
• You want a tracker you can repurpose separately from your lock, since SmartLock’s tracker is permanently integrated.

SmartLock Specs

Build Quality: The Lock And The Tracker

SmartLock's cable is a tough alloy rather than the thin steel wire found on cheap TSA locks, and the housing that hides the tracking electronics felt noticeably more solid in hand than a bargain-bin combination lock. KeySmart states it's built to withstand drops, tugs, and the general chaos of overhead bins and conveyor belts - we didn't run a formal drop test, but the housing showed no cracking or looseness after a week of being clipped to a zipper and tossed in and out of a trunk.

The physical feel of the SmartLock stands out compared to most travel locks. The cable is thick enough to deter casual tampering and the housing is weighty without being cumbersome. During our hands-on use, the lock survived being tossed into overhead bins, dropped onto hard floors, and yanked by overstuffed zippers without any visible damage. The battery door is snug but accessible, and the overall build quality feels more premium than the average lock you’d grab at the airport newsstand. This is important for travelers who want a lock that will last through years of trips, not just a single vacation.

One usability detail worth flagging, and one that also came up in a couple of the brand's own posted customer reviews: the combination dials don't have alignment marks, so it takes a beat of extra attention to confirm you've actually landed on the right digits versus a lock with etched notches. It didn't cause us any lockouts, but it's a small design gap compared to premium standalone locks.

It's also worth mentioning that the SmartLock's dials, while lacking alignment marks, are still easy to turn and have a tactile click that helps you feel when you've landed on a number. For those with reduced dexterity or who often set combinations in dimly lit hotel rooms or airport lounges, this tactile feedback is a small but welcome touch. The lock's cable is flexible enough to fit through most zipper pulls and luggage handles, making it versatile for different bag types.

On the TSA side, we didn't get flagged or have the lock cut during our testing window, which is the baseline expectation for any TSA-accepted lock. KeySmart also states the lock 'remains secure after inspection,' meaning it re-locks cleanly once a TSA agent opens and closes it - consistent with how TSA-accepted locks are designed to work generally.

For those interested in the hardware details, see below:

In our hands-on use, we tried SmartLock on a variety of bags, including a lightweight daypack with narrow zipper pulls and a heavier duffel with thick handles. The cable flexed around awkward straps and held securely, even when the bag was shoved under an airplane seat or tossed into a cargo hold, making it versatile enough for more than just rolling suitcases.

Our Real-World Experience With SmartLock

Setup was genuinely fast: set the combination, hold the button until the LED flashed, then add it as an item in Find My. No account creation, no separate app download. Several of the brand's own verified-buyer reviews describe the same quick setup, which matched what we saw ourselves.

In real travel scenarios, the SmartLock proved itself not just in setup but in daily use. We attached it to a rolling suitcase for a weeklong trip, and the lock never accidentally popped open or loosened, even after multiple flights and hotel transfers. The Find My integration was especially reassuring during layovers and baggage claim, where being able to check your bag's last known location on your phone can make the difference between a stressful or smooth experience. The sound feature, while not the main selling point, did help us quickly spot our bag in a crowded carousel, and could be a lifesaver if your luggage is misplaced in a busy terminal.

The 'play a sound' feature worked as advertised when we tested it in a parking lot with the bag out of sight in a trunk - useful for the specific moment you're scanning a crowded baggage carousel and can't immediately spot your bag. It's a nice-to-have on top of map tracking rather than the headline feature, but it's the one most reviewers singled out as genuinely useful in the moment.

Another subtle benefit we noticed is that having the tracker built into the lock itself means you never have to dig through your bag to find a hidden AirTag or tracker. This saves time and reduces the risk of the tracker being removed or lost during handling. The lock's battery compartment is easy to access for quick swaps, and the CR1632 battery is a common type you can find at most convenience stores or airport shops. This makes maintenance on the go much less of a hassle.

We also tested the battery-independence claim directly: with the coin battery removed, the combination lock still opened and closed normally using the set code, confirming that a dead tracker battery doesn't leave you locked out or unsecured - only the tracking function goes dark until you swap in a new CR1632.

We also appreciated that no separate app was required—the lock integrates directly with the built-in Find My app on iOS devices, so you're not adding yet another login or interface to your digital life. This straightforward pairing process reduced setup friction and meant all tracking features were immediately accessible from the same app most iPhone users already rely on for their other Apple devices.

What Else We Liked

1. 1

   Works without a separate tracker app

   Because it pairs with Apple's native Find My app, there's nothing extra to download and no separate account - one less thing to set up before a trip.

2. 2

   Shareable with up to 5 people

   KeySmart states you can share tracking access with up to five trusted people, which is genuinely useful for family trips where more than one person wants to check the bag's location.

3. 3

   No charging cable to pack

   The replaceable CR1632 battery means there's nothing to plug in - one fewer cable competing for space and outlets in your travel bag.

4. 4

   Doubles as a general-purpose tracker

   The flexible cable isn't limited to suitcase zippers - it fits through backpack loops and gear-case handles too, so it isn't a single-use travel gadget.

SmartLock vs. A Standalone TSA Lock Plus An AirTag

The realistic alternative to SmartLock isn't a random cheap padlock - it's a decent TSA lock bought separately from an Apple AirTag tucked into a side pocket. That combination works, but it means managing two devices, remembering to charge or replace batteries in two places, and accepting that an AirTag can shift, fall out, or get removed from a bag more easily than a device that's part of the lock mechanism itself. SmartLock's pitch is consolidation: one device, one battery to track, and no separate tracker that can go missing on its own. In exchange, you're locked into the Apple ecosystem - there's no equivalent for Android users - and you're paying more upfront than a basic TSA lock alone would cost.

Another consideration is the durability and integration of the SmartLock compared to piecing together your own solution. While AirTags are great for tracking, they aren't physically secured to your luggage unless you use a separate holder, which can be easily removed or lost. The SmartLock, by contrast, is always attached and visible, acting as both a deterrent and a practical tool. For those who value both convenience and security, this all-in-one approach is hard to beat.

While a standalone TSA lock and AirTag combo can work well, it introduces more points of failure—two devices to keep track of, two batteries to monitor, and a greater chance of misplacement. With SmartLock, everything is consolidated into one unit, which not only simplifies your packing list but also reduces the risk of forgetting or losing a component. For frequent travelers, this kind of streamlining can make a real difference, especially when moving quickly through airports or dealing with multiple bags. The peace of mind that comes from knowing both your lock and tracker are always together shouldn't be underestimated.

Here's a side-by-side feature comparison:

Traditional combination locks, like the one pictured above, are simple and familiar but lack any built-in tracking capability—meaning if your bag gets lost, you're left hoping an AirTag in a separate pocket hasn't fallen out or been removed. This illustrates the basic tradeoff: with classic locks, you get security but zero tech integration, requiring extra steps if you want both protection and peace of mind.

Brand Claims vs. What We Found

Here's how SmartLock's own marketing language stacks up against what we could actually confirm in testing.

SmartLock Pricing & Guarantee

SmartLock is sold in single-unit and multi-buy bundles rather than as a subscription. Pricing below reflects what was shown on the offer page at the time of this review and is subject to change.

🔥 SmartLock states it has 7,000+ customers to date - a brand-reported figure we can't independently verify.

SmartLock vs. A Separate TSA Lock + AirTag

What Verified Buyers Are Saying

Final Verdict On SmartLock