Xiaomi Smart Band 9 Pro Review: The £63 Band That Gives Budget Runners Real GPS

Every budget fitness band asks you to make the same compromise: leave your phone at home, and your run turns into a guess. Distance gets estimated from your arm swing, pace drifts into fiction, and the map you get back looks nothing like the roads you actually ran. The Xiaomi Smart Band 9 Pro refuses to play along. It packs a real, phone-free multi-system GPS into a slim band that launched at just £63 in the UK – and runs around $80 imported in the US, where Xiaomi doesn't sell it directly – and it does so with a 1.74-inch AMOLED screen and a battery that stretches past two weeks. Onboard GPS in a band this cheap is genuinely rare: the rivals that offer it cost roughly double, and nearly every band near this price makes you carry your phone. For a budget runner, this is the sweet spot the category keeps promising and almost never delivers.

The catch is that "real GPS" and "accurate GPS" are not the same sentence. The Band 9 Pro gets you tracking without a phone, but how much you trust the numbers depends entirely on how seriously you take your training.

Design & Build

The Band 9 Pro is a band that has quietly become a small watch. The aluminum-alloy frame and slim profile keep it comfortable for round-the-clock wear and sleep tracking, and the strap options – TPU for the gym, a calfskin leather for the office – let it pass in more places than a fitness tracker usually can. At roughly 24.5 grams without the strap, it disappears on the wrist.

Two things hold the build back, and both come from real-world use rather than the spec sheet. The 2.5D cover glass scratches more easily than it should; a screen protector is a wise early purchase. And while the band carries a 5ATM (50-meter) water resistance rating that shrugs off showers, pools, and rain, the touchscreen becomes unreliable the moment it gets wet or sweaty. Swimmers and anyone finishing a hard, sweaty session will find themselves stabbing at an unresponsive display. The charger is a proprietary magnetic two-pin puck rather than USB-C, so it's one more cable you can't afford to lose.

Display

The 1.74-inch AMOLED is the marquee upgrade and the first thing anyone notices. At 336 x 480 pixels it's sharp, and at a peak 1,200 nits – double the brightness of the standard Band 9 – it's bright enough to read in direct sunlight, a genuine rarity at this price. Colors pop, the always-on mode works, and there's a deep bench of watch faces to choose from.

The only friction is auto-brightness. The sensor is a beat slow to react, so stepping outdoors can leave the screen too dim for a second or two before it catches up, and indoors on auto it can err on the dark side. Switching to a manual brightness level sidesteps the problem entirely. It's an annoyance, not a flaw – the panel itself is excellent.

GPS & Running

This is the whole reason the Band 9 Pro exists, and it mostly delivers. The band uses independent five-system positioning – GPS, GLONASS, BeiDou, Galileo, and QZSS – to track a route with no phone anywhere near you. Lock times are genuinely fast, closing on a signal about as quickly as a dedicated Garmin running watch, so you're not standing at the trailhead waiting.

Where the budget shows is in precision. This leans on single-frequency positioning rather than the dual-frequency (multi-band) hardware reserved for pricier sports watches, and it behaves accordingly. On open, straightforward routes it's close to the mark. Push it into a tight, built-up course and it starts smoothing out corners and shaving distance – landing a few percent short of the route's true length. Instantaneous pace is the weakest link; the number jumping at you mid-stride is more suggestion than fact, though your total distance and average pace land close enough for casual training. For a Parkrun regular or someone logging easy miles, that's perfectly fine. Runners who want tighter tracking and real training metrics should step up to a dedicated running watch like the Garmin Forerunner 165 – though that costs several times as much.

Health & Fitness

Heart rate tells a similar story: dependable at rest, shakier under load. Resting and daily readings sit within a couple of beats of a chest strap, which is all most people need for tracking recovery and general fitness. But during hard exercise – intervals, rowing, high-intensity work – the optical sensor tends to read high and spike, drifting well above a chest strap once your effort climbs. If you train by heart-rate zones, pair a strap or look elsewhere.

Sleep tracking is decent for the money but generous, tending to over-count total sleep and miss the odd wake-up. SpO2 and stress tracking round out the sensor suite, and the 150-plus sport modes cover far more activities than most people will ever use. Taken together, the health features are exactly what you'd hope for at this price – useful for trends and motivation, not for clinical precision.

Battery Life

Battery is where the Band 9 Pro stops making compromises and simply wins. Xiaomi's headline "21 days" is best-case marketing, but the real numbers are still excellent: expect around two weeks of light use, and even with the always-on display, sleep tracking, and regular workouts, roughly a week to eight days. Continuous GPS drains it at about 5 percent an hour, which works out to close to 20 hours of non-stop tracking – enough for weeks of running between charges. When you do plug in, a full top-up takes a little over an hour. Against a Fitbit Charge 6, which needs charging roughly every week, this is a meaningful, daily-life advantage.

Software & Everyday Use

The Band 9 Pro runs on Xiaomi's Mi Fitness app, and this is where the budget bites hardest. The on-watch software is functional but rough – an unlabeled grid of icons and notifications that are display-only, so you can glance at an incoming message but not meaningfully reply to it. You can control phone music playback but not store music on the band. A Mi account is mandatory, background syncing can be fragile, and the whole experience is noticeably smoother on Android than on iOS, where it's officially supported but rougher around the edges.

The biggest omission for many buyers is NFC. There are no wrist payments on the global model – the contactless hardware is a China-only affair – so if tapping to pay from your wrist matters to you, this isn't your band. That's the trade you accept for the price, and it's the same trade Samsung's Galaxy Fit 3 asks of you, except the Fit 3 also makes you leave GPS behind.

Who It's For / Who Should Skip

Buy it if you're a budget-minded casual or regular runner, walker, or cyclist who wants phone-free GPS tracking and multi-week battery in a slim, good-looking band, and you don't need contactless payments or laboratory-grade heart rate. Nothing else in this form factor and price bracket gives you real onboard GPS – the nearest band-shaped rival with it, the Fitbit Charge 6, costs roughly double at list price, and the similarly priced Amazfit Bip 6 is a square smartwatch rather than a slim band.

Skip it if you train seriously to heart-rate zones or precise pace targets – a dedicated running watch or a chest strap will serve you far better. Skip it too if wrist payments are non-negotiable, or if you're an iPhone user who wants a polished app experience. And if built-in GPS isn't a priority, Xiaomi's cheaper base bands – including the standard Band 10 – save you money by relying on your phone's GPS instead. For a wider look at the field, see our guide to the best budget fitness trackers under $100.

The Verdict

The Xiaomi Smart Band 9 Pro does the one thing the entire budget-band category tells you is impossible: it puts real, phone-free GPS on your wrist for around £63, then wraps it in a bright 1.74-inch AMOLED and a battery that lasts a fortnight. It's not flawless – workout heart rate reads high, the positioning smooths corners, the software is basic, and there's no NFC – but every one of those compromises is the kind you can live with at this price, and none of them touch the core promise. That you'd normally pay nearly double for a band with onboard GPS only underlines how much value is packed in here.

Score: 79/100 – The budget runner's sweet spot: genuine onboard GPS and superb battery in a slim, cheap band, held back only by workout heart-rate accuracy and rough software.