The Fitbit Ace LTE is Google’s kids smartwatch built around movement games. It pairs 4G LTE, GPS, and closed-loop calling to 20 contacts with a gamified fitness layer that rewards kids for being active. It costs $229.95 plus a required $9.99-a-month Ace Pass. It fits active 7-to-12-year-olds, not toddlers or safety-only buyers.
Most kids smartwatches sell safety. The Fitbit Ace LTE sells motivation: it turns daily steps into a game your kid actually wants to play. That is a truly different pitch in a category dominated by Gabb and Gizmo.
It also comes from Google, which gives it a hardware pedigree the no-name Amazon watches can’t match.
- $229.95 device + $9.99/mo Ace Pass — the subscription is mandatory and covers LTE, GPS, and games
- Closed-loop calls and texts to 20 contacts — no open internet, no social media, no app store
- Fitbit Arcade turns movement into games — kids earn play time and a virtual pet by being active
- GPS plus 4G LTE on Google Fi — parents see location in the Fitbit Ace app without pairing a phone
- About 16-hour battery — a full day of use, but it needs a nightly charge
What the Fitbit Ace LTE Is
The Ace LTE is essentially a kid-proofed Pixel Watch. It has an OLED touchscreen behind Corning Gorilla Glass 3, built-in 4G LTE, GPS, and a heart-rate sensor, all locked inside a closed system with no browser or app store. Google’s official Ace LTE support page confirms that it connects over its own eSIM through a Google Fi and T-Mobile partnership, so there is no separate carrier line to set up.
That closed design is the point. Your kid gets calling, texting, location, and games, but none of the open-internet risks that make parents nervous about handing over a real phone. Tom’s Guide found that the battery runs about 16 hours per charge, which covers a school day with activities but means a nightly top-up is part of the routine.
Top Pick
How Does the Gamified Fitness Actually Work?
This is the Ace LTE’s signature feature. Movement powers a set of games Google calls Fitbit Arcade, plus a virtual pet, the Bit Buddy, that kids feed by being active.
The loop is simple. Steps and active minutes become an in-watch currency that unlocks play, so the more your child moves, the more game time and pet rewards they get. According to The Verge’s hands-on coverage, the game library refreshes every few months so it doesn’t go stale.
In our testing of kids wearables, gamified activity is the rare feature that actually changes behavior. A step counter a child ignores does nothing. A step counter that feeds a pet they care about gets them off the couch, and that behavioral hook is the whole reason a parent would pick this watch over a cheaper, safety-only tracker that simply logs numbers no kid will ever look at.
Safety and Parental Controls
On the safety side, the Ace LTE covers the basics well. Calls and texts are closed-loop to 20 approved contacts, set in the Fitbit Ace app, so strangers can’t reach your child and your child can’t reach the open web.
Location runs over GPS and LTE, and parents check it in the app without pairing a phone to the watch. A School Time mode silences games and notifications during set hours while keeping the watch wearable, which matters because many schools ban distracting devices outright.
The one real gap is health depth. The heart-rate sensor is simplified and there’s no sleep tracking, so this is a safety-and-motivation device, not a junior fitness tracker.
Is the Fitbit Ace LTE Worth the Subscription?
Here is the honest math. The watch is $229.95, and the Ace Pass is a mandatory $9.99 a month (or $119 a year). Skip the pass and the LTE, GPS, calling, and games all stop working, so it’s not optional. In our testing, that mandatory fee is the single biggest sticking point families raise.
Over three years, that is roughly $230 plus about $360 in subscription, or close to $590 all in. That is premium for a kids watch, though it lands near Garmin Bounce territory and below most carrier-locked plans once you add a line.
The value depends entirely on the child. For an active kid who responds to the gamified motivation, the Ace LTE earns its keep every single month, but for a family that only needs to see a location and field an SOS call, the subscription is hard to justify and a cheaper pick from our no-monthly-fee kids tracker guide makes far more sense.
How It Compares to Gabb and Apple Watch
Against the Gabb Watch, the split is philosophical: Gabb is pure safety with zero games, while the Ace LTE is play-forward. If screen distraction worries you, Gabb wins; if a sedentary kid needs a nudge, the Ace LTE wins.
Against an Apple Watch SE on Family Setup, the Ace LTE is more locked down and kid-appropriate, while the Apple Watch route is far more capable but also more open and more expensive over time. For the youngest users who only need a tag, an AirTag for kids is cheaper still, though it has no calling or SOS at all.
Who the Fitbit Ace LTE Is For
Buy it for an active 7-to-12-year-old you want reachable without a phone. The Google hardware, closed-loop safety, and fun activity layer are a strong combination at this age.
Skip it for toddlers or safety-only buyers who balk at the monthly fee; our best kids smartwatch guide has better fits for them.
Bottom Line
The Fitbit Ace LTE is the best kids smartwatch for turning activity into something a child wants to do, backed by Google hardware and a sensibly closed system. Budget for the mandatory Ace Pass and the nightly charge.
If motivation is your goal, nothing else in the category does it this well. If you only need location and a call button, you can spend far less.
FAQ
Does the Fitbit Ace LTE need a phone?
No. The Ace LTE has its own 4G LTE connection through an eSIM on Google Fi, so it makes calls, sends texts, and reports GPS location on its own. Parents manage it from the Fitbit Ace app on their phone, but the watch itself works standalone.
How much does the Fitbit Ace LTE cost per month?
The Ace Pass is $9.99 a month, or $119 a year, on top of the $229.95 device. The pass is required, not optional. It covers the LTE data, GPS, calling and texting, and the evolving Fitbit Arcade game library. Without it, those features stop working.
What age is the Fitbit Ace LTE for?
It fits best for active kids roughly 7 to 12 years old. Younger toddlers do better with a simpler clip-on tracker, and older teens usually want a real phone. The gamified activity and closed-loop calling are pitched squarely at elementary and early-middle-school children.
Can the Fitbit Ace LTE access the internet or social media?
No, and that is intentional. It's a closed system with no web browser, no app store, and no social media. Calls and texts are limited to up to 20 contacts that a parent approves, so a child can't reach strangers and strangers can't reach the child.
How long does the Fitbit Ace LTE battery last?
About 16 hours, enough for a full school day plus activities, but it needs charging every night. A fast charge gets it to roughly a full day's worth in about 30 minutes, which helps if it runs low before an afternoon out.
Is the Fitbit Ace LTE waterproof?
It's water resistant to 50 meters, so kids can wear it in the rain, while washing hands, and for swimming. It does not need to come off for everyday water exposure, which is one less thing for a child to lose track of.
Does the Fitbit Ace LTE work outside the US?
No. Its LTE coverage is US-only and excludes Alaska and US territories. For families who travel internationally, that is a real limitation, and a different watch or a phone-based solution would serve better abroad.
