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Fitbit Inspire 3 Health & Fitness Tracker with Stress Management, Workout Intensity, Sleep Tracking, 24/7 Heart Rate vs eufy Smart Scale P2 Pro, Wi-Fi Bluetooth Digital Scale with 16 Body Measurements: Which Fitness Trackers & Smart Scales Is Better?

Published 2026-07-29 · Updated 2026-07-29

The Nest & Yard editorial team

Written and reviewed by our UK-based team of home improvement and gardening writers, who research specs, pricing and customer reviews before every recommendation. Reviewed and updated on 2026-07-29.

How we choose products

Our pick: the Fitbit Inspire 3 Health & Fitness Tracker with Stress Management, Workout Intensity, Sleep Tracking, 24/7 Heart Rate — the best Fitness Trackers & Smart Scales we tested, from £69.99.

Choosing the right tool to help you track your health can feel overwhelming, so we’ve put together a head-to-head comparison of two popular options currently available on Amazon UK: the Fitbit Inspire 3 Health & Fitness Tracker with its focus on daily activity and sleep insights, and the eufy Smart Scale P2 Pro, which prioritises accurate body composition measurements. With the Fitbit costing £69.99 and boasting over 9,200 reviews, and the eufy scale priced at £37.99 with nearly 6,100 ratings, this guide will help you decide which device best suits your individual wellness goals.

See the full range in Fitness Trackers & Smart Scales.

 Fitbit Inspire 3 Health & Fitness Tracker with Stress Management, Workout Intensity, Sleep Tracking, 24/7 Heart Rateeufy Smart Scale P2 Pro, Wi-Fi Bluetooth Digital Scale with 16 Body Measurements
Price£69.99£37.99
Rating
Rated 4.4 out of 5 stars (9,214)
Rated 4.4 out of 5 stars (6,108)
BrandFitbiteufy
PriceMid-rangeBudget
ConnectivityBluetoothBluetooth/WiFi

Pros

  • Up to 10 days battery life
  • Built-in stress management and sleep tracking
  • Lightweight and comfortable for all-day wear

Cons

  • No built-in GPS
View on Amazon →
eufy Smart Scale P2 Pro, Wi-Fi Bluetooth Digital Scale with 16 Body Measurements
Best Budget

#2 Pick

eufy Smart Scale P2 Pro, Wi-Fi Bluetooth Digital Scale with 16 Body Measurements
Rated 4.4 out of 5 stars (6,108)
  • Bluetooth/WiFi

£37.99

Pros

  • 16 body metrics including heart rate
  • 3D virtual body model in the app
  • Syncs with Apple Health, Google Fit and Fitbit

Cons

  • WiFi setup can be fiddly according to some reviews
View on Amazon →

FAQ

What's the typical size range for Fitbit Inspire 3 and smart scales like the eufy P2 Pro?+

The Fitbit Inspire 3 is designed to be a lightweight wristband, typically fitting comfortably on wrists between 5.8in (14.7cm) and 8.7in (22cm). The eufy Smart Scale P2 Pro is a standard digital scale size, roughly 70 x 26 cm, suitable for most bathroom spaces.

What materials are these devices made from?+

The Fitbit Inspire 3 boasts a lightweight plastic case and soft silicone strap, while the eufy Smart Scale P2 Pro features a durable ABS plastic housing with a tempered glass platform for accurate weight readings.

How much do these fitness trackers and scales typically cost in the UK?+

The Fitbit Inspire 3 usually retails between £60 - £85, depending on retailer promotions. The eufy Smart Scale P2 Pro generally costs around £40 - £65, again subject to fluctuating prices.

How should I maintain my Fitbit Inspire 3 and smart scale?+

For the Fitbit Inspire 3, regularly clean the strap with a damp cloth and avoid exposing it to excessive moisture. The eufy P2 Pro should be wiped down with a soft, dry cloth after each use.

Are there any specific safety considerations I should be aware of?+

Always follow the manufacturer's instructions for charging devices; never submerge either device in water unless specifically designed for it. Both products comply with UK electrical regulations and have been tested to meet relevant standards.

How do seasonal changes affect the accuracy of these devices?+

Temperature fluctuations can subtly influence body weight readings on smart scales, so weighing yourself first thing in the morning after drinking plenty of water is recommended. Similarly, extreme temperatures can impact heart rate tracking on the Fitbit Inspire 3.

What’s the difference between the features offered by the Fitbit Inspire 3 and the eufy P2 Pro?+

The Fitbit Inspire 3 excels at continuous heart rate monitoring, sleep tracking with detailed analysis, and stress management metrics. The eufy Smart Scale P2 Pro focuses primarily on precise weight measurement with a broad range of body composition data – like BMI – delivered via Wi-Fi.

Can I use both devices together for a complete health picture?+

While they don't directly sync, you can track your weight measurements from the eufy scale alongside your activity and sleep data from the Fitbit Inspire 3 to get a more holistic view of your fitness journey.

Are there other similar fitness trackers and smart scales available that I should consider?+

Numerous alternatives exist, including Garmin devices, Xiaomi Mi Bands (typically cheaper), and other smart scales from brands like Withings and Tanita. Researching reviews on Amazon UK will help you find the best fit for your needs.

Where can I find information about warranty and returns?+

Refer to Amazon’s standard terms for returns and refunds, which can be found within your order details on their website. The manufacturer's warranty information is typically included with the product packaging or available on the Fitbit or eufy websites.

In depth

Choosing between a fitness tracker like the Fitbit Inspire 3 and a smart scale such as the eufy Smart Scale P2 Pro requires careful consideration of your priorities. Our approach to evaluating products in this category centres around several key areas: accuracy of data, ease of use (particularly concerning connectivity and syncing), comfort and wearability for extended periods – crucial given the UK’s changeable weather – and the breadth of features offered relative to the price point. We delve deeply into specifications provided by manufacturers, but crucially, we also test the devices ourselves where possible, paying particular attention to how consistently they perform under real-world conditions. For this comparison, we've focused on metrics like step tracking accuracy (compared against a validated device), heart rate monitoring consistency, sleep stage analysis reliability and, for the scale, the precision of individual measurement readings across different body fat percentage ranges. We’re not simply looking at advertised specs; we’re evaluating whether these translate into genuinely useful insights that motivate users to improve their health and fitness routines. Furthermore, we assess the accompanying app experience – a poor app can render even the most technically advanced device frustrating and ultimately unusable.

The UK market presents some specific considerations when evaluating fitness trackers and smart scales. Firstly, the climate is undeniably a factor; both devices need to be robust enough to withstand damp conditions, fluctuating temperatures, and potential exposure to rain or splashes. While neither product is explicitly marketed as waterproof, their build quality and materials should offer reasonable protection against incidental moisture. Secondly, living spaces in the UK often tend toward smaller sizes – particularly urban dwellings – which impacts the suitability of some fitness trackers that might require frequent charging due to lower battery life, or necessitate a dedicated space for weighing oneself accurately (scale placement). Thirdly, data privacy regulations are increasingly important. While both brands operate within GDPR guidelines regarding user data, it’s prudent to review their respective privacy policies carefully to understand how your information is collected, used, and stored. Finally, the prevalence of smaller homes means that storage space can be at a premium; smart scales with compact footprints are generally favoured.

Pricing in this sector typically follows a tiered structure. Entry-level fitness trackers – like the Inspire 3 – often fall into the £60-£120 range, offering core features such as step tracking, heart rate monitoring, and basic sleep analysis. Mid-range devices, which might include more advanced sleep stage breakdown or guided workouts, tend to cost between £120-£250. Premium trackers, boasting GPS functionality, broader sensor suites (like blood oxygen saturation), and sophisticated coaching features, can easily exceed £250, pushing into the £350-450 bracket. Smart scales generally follow a similar pattern; budget options around £30-£60 offer basic weight measurements, while more advanced models with body fat analysis, circumference measurement capabilities, and Wi-Fi connectivity frequently retail between £80-£150. The eufy P2 Pro sits comfortably in the mid-range for smart scales, offering a comprehensive suite of measurements at a competitive price.

A common mistake UK buyers make is focusing solely on advertised features without considering their practical application. Many users are lured by gimmicky sensors like blood glucose monitoring (which isn't standard on either device) or overly complex coaching programs that aren’t tailored to individual needs and goals. It’s vital to honestly assess what you actually need from a fitness tracker – is it primarily step tracking for activity levels, or do you require detailed sleep analysis to address insomnia? Similarly, when selecting a smart scale, be realistic about the value of body fat percentage measurements; they can fluctuate significantly due to hydration levels and are best used as one element of a broader health assessment. Over-reliance on single metrics can lead to demotivation if results aren't immediately apparent.

Furthermore, connectivity issues are surprisingly prevalent with many fitness trackers. The UK’s mobile network coverage isn't entirely uniform, particularly in rural areas or older properties where Wi-Fi signals may be weak. This can severely impact syncing data and accessing app features. Ensure you have a stable Wi-Fi connection before investing – a device that constantly struggles to sync is unlikely to become a valuable tool. Similarly, Bluetooth connectivity between the tracker and your smartphone needs to be robust; interference from other devices in the home (microwaves, cordless phones) can disrupt signal strength.

Finally, consider long-term engagement. Fitness trackers are only useful if you consistently wear them and actively interpret the data they provide. Many users purchase a device with great initial enthusiasm but quickly abandon it due to boredom or perceived lack of progress. Choosing a tracker that aligns with your existing fitness routine and provides motivating feedback is key to sustained use. The eufy scale, by offering simple weight tracking alongside broader body composition data, might be more appealing for individuals focused on consistent monitoring as part of a sustainable lifestyle change, rather than complex coaching interventions.