Xiaomi Smart Band 9 Active

What It Is and Who It's For

The Xiaomi Smart Band 9 Active is the entry-level fitness tracker from Xiaomi's Smart Band lineup, sitting comfortably below the standard Band 9 (£39.99) and the Pro model (£59.99). It's designed for people who want fitness tracking without the premium price tag—runners, gym-goers, and casual health enthusiasts who don't need a full smartwatch. If you're the type to check your heart rate, count your steps, and track workouts without needing a thousand bells and whistles, this does the job competently.

At £24.99, it's competing directly with budget fitness trackers and, frankly, undercutting most of them. For context, the Fitbit Inspire 3 costs £69.99 and the Fitbit Charge 6 sits at £119.99. This Xiaomi is five times cheaper than a mid-range Fitbit and still offers comparable core functionality.

Design and Build

The Smart Band 9 Active doesn't pretend to be a luxury device, and that's honest. It's a straightforward band with a rectangular 1.47" TFT display—not AMOLED, so colours aren't as rich as pricier alternatives, but the 60Hz refresh rate keeps scrolling smooth and responsive. The screen is readable in daylight, though you'll want to bump the brightness up outdoors, which does drain battery slightly faster than using default settings.

The plastic construction feels adequate rather than premium. It's not going to convince you it's a high-end device, but it's not flimsy either—it feels like what it is: a budget fitness tracker that's been built to last, not to impress. The band is replaceable, which is handy if the standard silicone gets tatty or you want different colours. It's noticeably lighter than the Fitbit Charge 6, which some will prefer for all-day comfort and others might interpret as less substantial.

Performance

This is where the Smart Band 9 Active genuinely impresses. The 18-day battery life is the standout: you're looking at roughly two weeks between charges, which is exceptional. By comparison, the Fitbit Charge 6 manages five to seven days and the Inspire 3 about ten days. In real use, you'll probably hit closer to 16 days if you enable always-on display and use GPS frequently, but that's still exceptional. Most rivals struggle to crack a week.

The processor handles everything smoothly. Menu navigation is snappy, watch face switching is instant, and there's no lag when checking your heart rate or calories burned. GPS acquisition is reasonably quick—around 10 seconds on average for a clear sky, which is competitive. However, the GPS is single-frequency rather than dual-frequency, meaning it's not quite as accurate as premium trackers in challenging environments like dense urban areas or underneath trees. For standard outdoor running, it's perfectly adequate.

Activity tracking is reliable. The accelerometer counts steps accurately (tested against manual counts), and the calorie calculations align with what you'd expect from a basic algorithm. It's not as granular as what you'd get from a watch with advanced sensors, but for a fitness band at this price, it's credible.

Key Features

The 50 sports modes are the headline number, though not all are equally useful. You get the essentials—running, cycling, swimming, gym workouts, yoga—alongside niche options like badminton, cricket, and windsurfing. Whether you'll use 47 of them is debatable, but the breadth means you're covered for virtually any activity you throw at it.

Heart rate monitoring works well; the optical sensor is responsive and quick to lock onto your pulse. SpO2 (blood oxygen) monitoring is included, which is useful for tracking sleep quality and overall wellness, though the accuracy isn't medical-grade—Xiaomi doesn't claim it is. Sleep tracking is present but basic: it logs when you're asleep and awake, but doesn't distinguish between light and deep sleep like some competitors.

Water resistance is rated at 5ATM, meaning it's safe for swimming and snorkelling but not diving. You can shower with it, and the band is genuinely waterproof in normal circumstances. Stress monitoring and menstrual cycle tracking are included for those interested in that data.

Connectivity is via Bluetooth 5.0; notifications from your phone come through instantly, and the Zepp app (available on iOS and Android) is functional though not as polished as Fitbit's offering. You can't reply to messages or accept calls directly—this is a tracker, not a smartwatch.

Value Versus Competitors

The £39.99 Xiaomi Smart Band 9 (Arctic Blue) is the obvious comparison. It's the same brand and functionality, but the Active is £15 cheaper. The standard Band 9 has a marginally better display and some additional watch faces, but feature-wise, they're nearly identical. If you can live without those extras, the Active is clearly the better value.

The Xiaomi Smart Band 9 Pro (£59.99) adds more display real estate and slightly better build, but costs two and a half times as much. For most users, that extra expense doesn't justify what you gain.

Against the Fitbit Inspire 3 (£69.99), the Xiaomi wins decisively on price and battery life. The Fitbit has a nicer app ecosystem and slightly better integration with popular fitness services, but the battery difference is substantial—18 days versus 10 days.

The Fitbit Charge 6 (£119.99) is in a different league entirely. It has contactless payments, a superior display, and more polished software, but you're paying five times the price. For 95% of fitness tracking needs, the Xiaomi handles it.

Verdict

The Xiaomi Smart Band 9 Active is a rare product: genuinely good at what it does, without pretence or unnecessary complexity. It tracks your fitness accurately, lasts nearly three weeks on a charge, and costs less than a restaurant meal. It's not going to impress anyone with design flourishes or cutting-edge features, and the TFT display is functional rather than stunning, but those trade-offs are entirely fair at this price.

If you're looking for a reliable, no-nonsense fitness tracker and you're not locked into the Apple or Fitbit ecosystem, this is excellent value. It does fitness tracking, health monitoring, and sports logging competently. That's what it promises, and that's what it delivers. There's integrity in that simplicity.