Insight Junction

By Kieran Kearey – 24/1/26 – 9 min read –

This post compares some of the best Smartwatches/Fitness watches on Amazon (based on information gathered between 23/1/26 and 24/1/26).

*Product details such as prices, discounts, category rank, reviews, etc may change over time. Additionally, I will earn a commission from the links in this post, at no cost to you*

*All pros and cons are based on findings from real customer reviews*

The watches are ranked using a weighted score model. Each criterion (e.g., price, review amount and star rating number) has a different weight % that totals to 100%. The final score determines the ranking, and the highest score is “the best” watch. For this post, I have decided that star rating is the most significant and so have weighted it at 50%, Review amount is 40% and Price is 10%.

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RUIMEN – £26.99

The weighted score model has determined that the RUIMEN Smartwatch & Fitness Tracker is “the best” option. It is £26.99, has 20,831 customer reviews, a 4.2 star customer rating, 61% of reviews are 5 star and 8% are 1 star.

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Pros:
– Excellent value for money
– Large, bright, clear HD screen
– Stylish, modern design
– Lightweight & comfortable for most users
– Easy setup with GloryFit app
– Can make and receive calls directly from the watch
– Clear call quality for a smartwatch
– Good battery life (3-7 days typical, some report longer)
– Fast charging with magnetic charger
– Wide range of watch faces (custom photos supported)
– Tracks steps, heart rate, sleep SpO2, calories
– Multiple sports modes
– Reliable notifications (calls, texts, WhatsApp, etc)
– Works with both Android & iPhone
– Includes spare strap
– IP68-rated for handwashing/light water exposure
– Good starter smartwatch for first-time users
– Senior-friendly & child-friendly
– Good customer experience for many buyers
– Often praised as “better than expected”

Cons:
– Health metrics are not consistently accurate
– Step counter may count movement while sitting or sleeping
– Not suitable for medical or serious fitness tracking
– Bluetooth connection can be unstable
– Watch can hijack phone audio
– Speaker quality is basic
– Battery performance inconsistent between units
– Magnetic charger can detach or fail
– Some units stop working after weeks or months
– Quality control issues reported
– Water resistance unreliable for swimming
– Skin irritation reported with supplied straps
– App feels generic and occasionally buggy
– Limited notification app support
– Text and font size small
– Some advertised features unclear or misleading
– No stopwatch or countdown timer
– Accuracy varies by wrist position, skin tone, movement
– Not durable for long-term heavy use

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Motast – £18.04

Next, is the Motast watch. It is £18.04, has 27,206 customer reviews, a 4 star customer rating, 56% of reviews are 5 star and 11% are 1 star.

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Pros:
– Excellent value for money
– Long battery life
– Bright, clear, responsive delay
– Attractive design
– Good range of watch faces (including custom photos)
– Heart rate readings reasonably accurate for casual use
– Step tracking acceptable for basic awareness
– Blood oxygen readings broadly plausible
– Reliable phone notifications
– Easy to set up with GloryFit app (for most users)
– Sleep tracking works for many users
– Quick charging
– Replaceable standard 20mm strap
– Find-my-phone feature is useful
– Works well as a basic everyday smartwatch
– Good choice for first-time or budget smartwatch users

Cons:
– Causes a rash on users wrists
– Health tracking is not accurate enough for medical or fitness training use
– Step counter often overcounts or undercounts
– Blood pressure readings unreliable
– Sleep tracking can be inaccurate and inconsistent
– Heart rate can drop out or show false warnings during workouts
– Calories burned often significantly incorrect
– Sports modes are limited and inaccurate
– Indoor cycling / stationary workouts tracked poorly
– Watch counts arm movement as steps
– Relies heavily on GloryFit app
– GloryFit app is not very user-friendly
– Broken English in app and instructions
– App crashes and sync issues reported
– Watch disconnects when Bluetooth range drops
– Time cannot be set manually without the app
– Limited UK-friendly watch faces and date formats
– Downloaded watch faces sometimes revert to default
– Raise-to-wake unreliable
– Random vibrations reported by some users
– Screen scratches easily
– Large bezels compared to premium watches
– Text size cannot be adjusted
– No phone calling support
– No third-party watch face apps
– Notification options limited
– Does not work well over tattoos or darker skin
– Some units fail within months
– Battery performance inconsistent on some watches
– Customer support and warranty difficult to access
– Not suitable if you want accurate fitness or health data

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Garmin Forerunner 55 – £121.79

Next, is the Garmin Forerunner 55 watch. It is £121.79, has 10,487 customer reviews, a 4.5 star customer rating, 76% of reviews are 5 star and 4% are 1 star.

This watch is much better rated and liked by customers compared to the first two. Although it’s pricier, it seems to be much higher quality. Furthermore, the Garmin Connect App seems to make the overall experience far more enjoyable for customers. This watch would likely be the one I’d invest in if I got into fitness a bit more.

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Pros:
– Excellent battery life (around 7-14 days)
– Accurate GPS for running, walking, hiking, cycling
– Lightweight, compact, and very comfortable to wear all day
– Reliable heart rate tracking
– Strong running features (pace, distance, routes, coaching plans)
– Garmin Connect app is feature-rich, fast syncing, no paywall
– Tracks steps, sleep, calories, VO2 max, Body Battery, stress
– Physical buttons (more reliable than touchscreen during workouts)
– Waterproof – works well for swimming and showering
– Great value for money/ideal beginner running watch
– Integrates well with Strava and other fitness platforms

Cons:
– Screen is small, low-resolution, dim, and black & white
– Not touchscreen; button navigation can feel clunky or unintuitive
– Sleep tracking accuracy inconsistent for some users
– No native strength/weight training mode
– Lacks advanced features (SpO2, live elevation, training status)
– Display and UI feel dated/old-school
– Some reports of Bluetooth syncing issues and software bugs
– Battery degradation after 2-3 years (battery not replaceable)
– Strap comfort/size issues for some users
– Pace tracking can be unreliable in woods/open countryside
– No live elevation data during activities
– Charging cable sometimes missing with used/refurb units

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Google Fitbit Versa 4 – £150.36

Next, is the Google Fitbit Versa 4. It is £150.36, has 10,773 customer reviews, a 4.3 star customer rating, 68% of reviews are 5 star and 7% are 1 star.

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Pros:
– Stylish, lightweight, and comfortable to wear
– Bright, easy-to-read AMOLED display
– Good battery life for many users (5-7 days typical)
– Tracks steps, heart rate, sleep, calories, Active Zone Minutes
– Automatic activity detection (walking, swimming, etc)
– Fitbit app is simple, intuitive, and beginner-friendly
– Includes notifications, call handling, Alexa support
– Google Pay/Fitbit Wallet support
– Good value for money when discounted
– Ideal for casual fitness tracking and daily health monitoring

Cons:
– No third-party apps (no Spotify, Strava, Audible, etc)
– Several features locked behind Fitbit Premium subscription
– GPS can be slow, unreliable, or inaccurate
– Heart rate accuracy inconsistent for some users
– Sleep tracking can be inaccurate
– Battery life varies wildly; some report daily charging
– Strap quality issues (skin irritation, popping off, small fit)
– Charger is fiddly and not cross-compatible with older Fitbits
– Syncing and notification reliability issues
– Limited smartwatch features vs Apple/Samsung/Garmin
– Durability concerns – many units fail after 18-24 months
– Fewer features than Versa 3 (functionality removed)
– Google ecosystem integration feels incomplete

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Tensky – £44.84

Next, is the Tensky watch. It is £44.84, has 7,275 customer reviews, a 4.3 star customer rating, 67% of reviews are 5 star and 7% are 1 star.

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Pros:
– Outstanding value for money
– Very long battery life (5-10 days typically, but sometimes longer)
– Tracks steps, sleep, heart rate, SpO2, stress
– Encourages healthier habits (hydration, movement, sleep)
– Bluetooth calling
– Alexa support
– Lightweight and comfortable for most wrist sizes
– Easy setup for beginners
– Bright, clear touchscreen with many watch faces
– Waterproof (IP68) – fine for rain, handwashing, swimming
– Reliable step tracking for everyday use
– Works with Android and iOS
– Durable for the price
– Good replacement for Fitbit/Apple Watch at a fraction of the cost
– Excellent gift option

Cons:
– Quality controls issues – some fail within months
– Battery defects reported (won’t charge/drains fast)
– Straps can be short, flimsy, or prone to splitting
– App is poorly written and sometimes confusing
– Frequent Bluetooth disconnects for some users
– Health metrics not medically accurate
– Sleep tracking can be inaccurate
– Swim tracking often miscounts lengths
– Notifications disappear quickly (no notification history)
– Watch may reset to factory settings when battery dies
– Limited customer support/difficult returns
– Replacement straps hard to find
– Bio readings can give erratic results
– App can drain phone battery
– Not true Wear OS (misleading advertising claims)
– Not ideal for some users needing reliable long-term data

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Garmin vívoactive 5 – £167.97

Finally, the Garmin vívoactive 5 watch. It is £167.97, has 8,859 customer reviews, a 4.4 star customer rating, 74% of reviews are 5 star and 6% are 1 star.

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Pros:
– Excellent battery life for most users (5-10 days typical)
– No subscription required (one-time purchase)
– Lightweight, slim and stylish (especially compared to Apple Watch)
– Comfortable for all-day wear and often sleep
– Very good health tracking
– Strong fitness tracking for walking, running, swimming, gym workouts
– Accurate GPS for most outdoor activities
– AMOLED display is bright, sharp and customisable
– Garmin Connect app is powerful once learned
– Encourages healthier habits without aggressive goal pressure
– Reliable brand reputation; many users report years of use
– Works well as a Fitbit replacement
– Large selection of watch faces & straps
– Music storage allows phone-free workouts
– Waterproof (pool, sea, river use reported)
– Quick charging
– Great value compared to Apple Watch (especially battery life)

Cons:
– Setups can be complicated and unintuitive
– Garmin Connect app is confusing and poorly organised for beginners
– Bluetooth connectivity issues for some users (random disconnects)
– Notification control is limited (can’t choose specific apps)
– Cannot reply to texts; calls require using phone microphone
– Some features marketed unclearly (e.g. hiking must be recorded as “walk”)
– No altimeter (big downside for hikers & hill walkers)
– Sleep tracking can be inaccurate (false naps, incorrect sleep times)
– Heart rate accuracy inconsistent during strength training
– Step count slightly inflated for some users
– Strength training features feel clunky
– AMOLED screen hard to read in strong sunlight for some
– Screen wake gesture unreliable
– Battery life declines after software updates for some users
– Proprietary charger (no standard USB plug included)
– Strap may be itchy, short, or irritate sensitive skin
– Garmin Pay not supported by many UK banks
– Huawei phone compatibility is poor
– Expensive for users who only want basic training
– Quality control complaints (faulty units, charging issues)
– Customer support & returns frustrating for some buyers

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