Which Fitbit Should You Buy? A Breakdown of Their Current Range

Fitbit's current range gives you three genuinely different options depending on what you need. The Charge 6 (£129.95) is the most feature-rich tracker for serious fitness monitoring. The Inspire 3 (£99.95) is the entry-level choice if you want basics without the price tag. The Versa 4 (£149.95) bridges the gap with smartwatch functionality. None are poor choices — it comes down to whether you prioritise tracking depth, affordability, or screen real estate.

Why Fitbit?

Fitbit has dominated the fitness wearables space since 2007, and Google's acquisition in 2021 brought significant software improvements and tighter integration with Google services. They specialise in accessible fitness tracking — not flashy gaming or fashion, but reliable health data and battery life that lasts days, not hours. Their ecosystem now includes Fitbit Premium (a £7.99/month subscription service) which unlocks advanced sleep analysis, workout intensity maps, and personalised coaching. For people who want "health tracking that just works" rather than bleeding-edge smartwatch features, Fitbit remains competitive.

Top Picks

Google Fitbit Charge 6 — £129.95

Best for serious fitness tracking with screen real estate. The Charge 6 is Fitbit's flagship fitness tracker, not a smartwatch. It has a bright AMOLED screen (larger than previous generations), built-in GPS, heart rate and SpO2 monitoring, sleep tracking, and stress management tools. Battery lasts 7 days. The key draw: it's designed purely for fitness, which means fewer distractions and more focused health metrics than a smartwatch. If you want depth without the smartwatch price, this is it.

Fitbit Inspire 3 — £99.95

Best for budget-conscious beginners. The Inspire 3 is the entry point to Fitbit's ecosystem. It tracks steps, distance, calories, heart rate, sleep, and stress. The screen is smaller (a rectangular OLED display), battery lasts 10 days, and it's lightweight — good if you hate feeling a device on your wrist. No built-in GPS (it uses your phone's GPS). No advanced metrics. It's not a compromise for the price; it's a genuinely simplified tracker for people who want the basics without complexity or cost.

Fitbit Versa 4 — £149.95

Best for smartwatch features on a Fitbit budget. The Versa 4 is the smartwatch option — it's got a larger, rounder screen (24mm case), always-on display option, built-in GPS, fitness coaching, and works as a standalone device without tethering to your phone as heavily as the Inspire 3. Battery lasts 6 days. You get notifications, app support, and a more "watch-like" feel. Trade-off: it's thicker than the Charge 6, and if you don't care about notifications or apps, you're paying for features you won't use.

Quick Comparison

| Product | Price | Best For | Standout Feature | |---------|-------|----------|------------------| | Charge 6 | £129.95 | Fitness tracking depth | 7-day battery + AMOLED screen | | Inspire 3 | £99.95 | Budget entry | 10-day battery, lightweight | | Versa 4 | £149.95 | Smartwatch features | Always-on display, GPS, notifications |

What to Look For

• Battery life expectations: The Inspire 3 lasts 10 days, the Charge 6 lasts 7 days, and the Versa 4 lasts 6 days. If you charge weekly without fail, go for either. If you forget or travel, the Inspire 3's longevity matters.

• GPS type: The Inspire 3 relies on your phone's GPS (connected GPS); the Charge 6 and Versa 4 have built-in GPS. Built-in GPS is more reliable for running and cycling, especially in areas with poor phone signal.

• Screen size and brightness: The Charge 6's AMOLED screen is bright and readable in sunlight with a 1.04-inch display. The Versa 4's is larger (1.4 inches, rounder). The Inspire 3's OLED screen is smallest and dimmest in bright outdoor conditions.

• Fitbit Premium subscription: All three support Premium (£7.99/month or £79.99/year). Without it, you get basic tracking. With it, you unlock advanced sleep analysis, guided workouts, and personalised insights. Factor this into the total cost of ownership if health depth matters to you.

The Bottom Line

Buy the Charge 6 at £129.95 if you want the best balance of fitness tracking depth, battery life, and screen quality. It's Fitbit's strongest all-rounder right now. If budget is tight, the Inspire 3 at £99.95 is genuinely capable for basic tracking and lasts the longest between charges. If you need smartwatch features (notifications, apps, always-on display), the Versa 4 at £149.95 is worth the extra £20, but only if you'll actually use those extras.

Frequently Asked Questions

Is Fitbit good value for money compared to Apple Watch or Garmin?

Fitbit is cheaper upfront but less feature-rich. An Apple Watch Series 9 costs £349+ and offers more apps and integration; a Garmin Epix costs £399+ but beats Fitbit at advanced running metrics. Fitbit wins on price, battery life, and simplicity. If you don't need constant notifications or app ecosystems, Fitbit's value is excellent. If you live in Apple's ecosystem or do serious endurance sports, the competition might suit you better.

Do Fitbit trackers work with iPhone and Android equally?

Yes. All three models work with both iOS and Android via the Fitbit app. Android users get deeper Google integration (Google Fit syncing, Google Assistant), but iPhone users get full functionality. No platform advantage for either.

How accurate is Fitbit's heart rate and sleep tracking?

Heart rate is reasonably accurate for resting measurements (within 3-5 bpm of a chest strap) but less accurate during high-intensity exercise because arm-worn sensors struggle with motion. Sleep tracking (detecting light, deep, and REM sleep) is educated estimation, not clinical measurement. It's useful for trends but not diagnostic. Premium subscribers get more detailed sleep insights, which add context but don't improve raw accuracy.

Can you use Fitbit without the Fitbit Premium subscription?

Yes. All three trackers function without Premium — you get basic step, heart rate, sleep, and activity tracking. Premium (£7.99/month) adds advanced sleep analysis, guided workouts, personalised coaching, and detailed health metrics. It's optional, not required.