Best iPhone Smartwatch of 2025 | Top Picks Beyond Apple Watch Series 4

The venerable Apple Watch Series 4 has gracefully retired, leaving smartwatch enthusiasts pondering their next cosmic move. When it was released in 2018, it was truly a moment of evolution, and its impact remains. The smartwatch is fondly remembered by those who admired its sleeker profile, accurate ECG readings, precise GPS tracking during runs, and personalized watch faces to match moods. 

So, whether you embraced the Series 4 or missed out on its debut, there are plenty of alternatives available that offer a wide range of unique features and benefits, some similar to and even better than the Apple Watch Series 4. After testing a multitude of smartwatches, our reviewers have found the Apple Watch Ultra, Fitbit Versa, and Withings ScanWatch Horizon to be reliable smart wearables to meet your needs. Below we’ve compared their specs, features, and other benefits to help you pick out the best substitutes for the Apple Watch Series 4. 

ALTERNATIVES TO APPLE WATCH SERIES 4

The quest for the ultimate iPhone-compatible smartwatch continues. Let’s explore them: 

1. Apple Watch Ultra 2 – $799

Apple Watch Ultra 2 is an amazing smartwatch for adventurers like divers, hikers, and other athletes who need a rugged, long-lasting wearable that can cope with extreme weather and endurance events. One of the best capabilities of Ultra 2 is it packs a dual-frequency L1 and L5 GPS, allowing users to track activities and statistics more accurately than other Apple watch models. It’s a good choice for eco-conscious people, as it features recycled materials both inside and outside of the watch. Even the upcoming bands use the sustainability ethos, fostering innovative design.

Smartwatch Features – For Adventure Lovers

• Their S9 SiP enables a bright display to quickly & easily interact with your watch without touching the display.
• It supports a large digital crown and a customizable Action button to help you instantly control a variety of specialized features.
• Apple Ultra Watch 2 offers advanced metrics to keep a check on heart rate, rhythm, cardio fitness, and temperature sensing. It even alerts users if atrial fibrillation is detected or if the heart is in a normal sinus rhythm.
• Additionally, it has a cycling mode that can measure your cadence, speed, and power when paired with a compatible Bluetooth device.
• It supports fast charging and its Low Power mode can get up to 72 hours of runtime.

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2. Withings ScanWatch Horizon – $499.95

Withings ScanWatch Horizon is a modern iPhone smartwatch packaged into a timeless design. Similar to the Apple Watch Ultra 2, it is combined with an on-demand ECG heart rate monitor, which is capable of detecting conditions like (Atrial Fibrillation) AFiB. It even features a 24*7 activity tracker that automatically monitors steps, running time, biking, swimming, elevation walking, and calories burned. Its advanced sleep tracker also keeps a check on sleep cycles, sleep duration, and wakeups, providing accurate analytics. Users would surely appreciate its premium aesthetics with its classic dial, metal, and rubber watch bands, and a sapphire crystal font.

Smartwatch Features – For style-conscious & health enthusiasts

• It offers incredible health-tracking capabilities, including heart rate monitoring, ECG detection, and blood oxygen readings.
• It offers users round-the-clock health tracking capabilities by providing detailed stats on active minutes, steps, sleep quality score, Overnight HRV & more.
• Additionally, it prompts its users by sending notifications about irregular heart rhythms, breathing disturbances detections, respiratory rates during sleep,
• If you love long-lasting battery performance, Withings ScanWatch Horizon is an ideal choice for users who want to enjoy extended usage without frequent charging. It provides up to 30 days battery life.
• ScanWatch Horizon is compatible with both iOS 14 and higher and Android 8.0 and above OS versions. It is also backed by a 5-year warranty which gives it longevity.

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3. Fenix 5 Plus – $749.99

I personally fell in love with this smartwatch in the first look. If you have deep pockets and doesn’t want to compromise the quality and styling, This is the best smartwatch I’d recommend. This is not just an alternative to Apple smart watch, but a generation flip to the modern life. Featuring multiple case sizes, multiple color options, patterns and styles, this watch will really surprise you with lots of features. It’s a perfect gift for your boyfriend or husband which is compatible with iPhone and Android both Operating Systems.

Sporty Smartwatch Features

• Showcased in 14 colors and styles to suit every mood.
• Available in 42mm, 47mm and 51mm size for everyone’s wrist.
• Premium Multisport is the best GPS smartwatch with Maps, Music, Metrics and more.
• Wrist heart rate technology and color TOPO maps feature to find and follow the best path.
• The rugged design featured with stainless steel, titanium or diamond-like carbon (DLC) titanium bezel, buttons and rear case.
• Make a convenient payment with your smart watch using Garmin Pay contactless payment solution.
• High battery performance of up to 12 days in smartwatch mode and 8 hours in GPS mode with music.
• Store, Sync and play your favorite Spotify songs right from your smart watch.
• Sapphire, Titanium with Solar Flare Orange Band for a sporty look.

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Also Read: Best Android Smartwatch 2019

4. Fitbit Versa Smart Watch, Gray/Silver Aluminium

Fitbit is a leading company majorly doing business in Smartwatches, fitness trackers and accessories and has proven as the biggest competitor to other smartwatch companies. With millions of users, this smartwatch brand has fascinated millions of iPhone and Android smartphone users. If you are not born with a silver spoon, you can still wear these affordable smart watch bands. They offer fitness trackers to smartwatches compatible with multiple devices and the Apps can be synced with various devices including PCs. This classy smartwatch is available in more than 10 varients and multiple sizes.

Classic and Pocket-Friendly Smartwatch Features

• Smartwatch feature includes Call Notifications, Text, calendar & smartphone app alerts with Quick Replies, Apps, Music Experience, Fitbit Pay, etc.
• Numerous health tracking features including Steps & Activity, Calories Burned, Floors Climbed, Sleep Tracking & Silent Alarm.
• It also indicates sleep Stages (Light, Deep, REM), Female Health Tracking and Guided Breathing Sessions to keep you fit.
• It comes with numerous exercise features like SmartTrack Auto Exercise Recognition, Reminders to Move, Hourly Activity, Swim Tracking, 15+ Exercise Modes, 24/7 Heart Rate Tracking, Cardio Fitness Level, On-Screen Workouts, Pace & Distance with Phone GPS, etc.
• The design and style in Fitbit Accessories are customizable. Now match your look with accessories in metal, leather & more. Designer Accessories include customizable Clock Faces and Apps for your waterproof smartwatch.

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Summing Up

We have reviewed and compiled the best iPhone smartwatch as per Budget, Style & Luxor. We have also kept this in mind that these smartwatches are unisex wear, and a few are the best smartwatch for women. We have also included the best GPS smartwatch, waterproof smartwatch, and a few new smartwatches which are one of the best smartwatch for men. We have also compiled another set of Best Android Smartwatches for your reference.

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