Best Smartwatches Under $100 (Battery, GPS & More)

Smartwatches are tech gadgets, and with a tight budget, it's all too easy to end up with a glitchy, short-lived dud. That's why we've sifted through the crowd — focusing on fitness tracking, health sensors, battery life, GPS, and more — to handpick 7 inexpensive smartwatches that actually deliver. Whether you need step counting, heart rate monitoring, or week-long stamina, these picks prove you don't have to settle. Read on for the best smartwatch under $100 that matches your priorities, and avoid the regret of a cheap smartwatch that fails in a month. Here's our quick summary to start.

Quick Summary: Best Smartwatches Under $100

Let's cut to the chase now. Below is a quick rundown of our 7 winners. Each excels in a different feature, from long battery life to GPS and health tracking, so you can identify the best smartwatch under $100 that fits your lifestyle.

1. Xiaomi Redmi Watch 5

The Redmi Watch 5 easily earns its spot as the best smartwatch under $100, and the headline feature is battery stamina. That 550mAh cell delivers up to 24 days of typical use — real-world mixed testing still gives you 14–15 days with continuous health tracking and notifications. Even with the always‑on display active, you get 9–10 days, and a full charge takes only 60 minutes. For a cheap and good smartwatch, that's liberating. The 2.07‑inch AMOLED screen (60Hz, 1,500 nits) is bright and smooth, while the built‑in 5‑system GNSS maps your runs without a phone. 5ATM waterproof means pool swimming is safe.

2. Mibro GS Pro 2

If running is your thing, the Mibro GS Pro 2 is absolutely the best smartwatch under $100 for you. Its dual‑frequency L1+L5 GNSS locks onto GPS in seconds, even under tree cover or between tall buildings, with 20% better accuracy. It tracks cadence, stride length, ground contact time, and vertical oscillation — metrics usually found on much pricier devices. The free Mibro Coach adapts training from 5K to marathon, while VO₂ max and recovery timers help you avoid overdoing it. You can even import GPX routes and sync straight to the watch for running, hiking, and more.

Mibro GS Pro2

4.3

★★★★☆

217 reviews

⚡ 150+ Sports 🎾 Padel Mode 🧠 Mibro Coach 💧 5ATM Waterproof ❤️ Health Monitoring

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3. Amazfit Bip 6

The Amazfit Bip 6 is the best smartwatch under $100 for lifters. In Strength mode, it automatically detects your exercise, counts sets and reps, and tracks rest periods. You can build custom weight routines in the Zepp App and sync them straight to your wrist, with workout data (exercises, sets, reps, weights) uploading to Strava. The 1.97″ AMOLED hits 2,000 nits — crisp even under gym lights — and the BioTracker 6.0 PPG gives continuous heart rate and SpO₂. With 14‑day battery life and offline maps for outdoor runs, this affordable fitness smartwatch handles hybrid training beautifully.

4. Cubitt Viva Lite

For those who are always on the move and want an affordable smartwatch with GPS, the Cubitt Viva Lite delivers reliable standalone navigation. Its built‑in 5‑system GNSS (GPS, BDS, GLONASS, Galileo, QZSS) tracks hikes, runs, and cycling routes without your phone, and its barometer gives you elevation data and confidence on unfamiliar trails. The 1.85″ AMOLED stays bright outdoors, while offline music playback and TWS headphone support let you leave your phone at home entirely. The VITA voice assistant handles alarms and commands hands‑free. For the best smartwatch under $100, the "Health Snap" 90‑second readiness check is a nice bonus.

5. Fitbit Inspire 3

Fitbit Inspire 3 puts health first, and that makes it a genuine best smartwatch under $100 for wellness fans. It tracks 24/7 heart rate with high/low and irregular rhythm alerts, plus overnight SpO₂ and skin temperature variations to catch subtle changes. The daily Stress Management Score and on‑wrist breathing sessions help you unwind, while sleep stages and a Sleep Score give deep insight into your nightly rest. With 40+ exercise modes, connected GPS (via your phone), and 50m swim‑proofing, it covers basic fitness too. The 10‑day battery and slim AMOLED display mean you can wear it comfortably all day.

6. Samsung Galaxy Fit3

If you're on Android, the Galaxy Fit3 is a slick, ecosystem‑friendly smartwatch under 100, It pairs with any Android 10+ phone for notifications, quick replies, and media controls, but pair it with a Samsung Galaxy device and you unlock camera remote, snoring detection, and mode syncing — neat touches that make daily life smoother. Health tracking is solid: 100+ workout modes, continuous heart rate, SpO₂ (on‑demand and overnight), and advanced sleep insights with coaching. Fall detection and emergency SOS add peace of mind.

7. CMF Watch 3 Pro

iPhone users, this one's for you. The CMF Watch 3 Pro works seamlessly with iOS 13+ via the Nothing X app — making it a rare best smartwatch under $100 that doesn't punish Apple owners. You get Bluetooth calling (dual‑mic noise reduction), real‑time notifications, camera remote, and even Siri voice activation right from your wrist. Dual‑band GPS and 130+ sports modes handle outdoor workouts, while health tracking (heart rate, SpO₂, sleep, stress) syncs to Apple Health and Strava. The 1.43″ AMOLED and 10- 13-day battery mean you wear it longer and charge less.

What Matters Most for Smartwatches Under $100

Picking the best smartwatch under $100 isn't about chasing the most features — it's about knowing which features actually matter at this price point. Here's a practical checklist to guide your decision.

Hardware: Screen, GPS, and Battery

• Display: AMOLED beats LCD for contrast and outdoor visibility. Look for at least 400 nits brightness — anything lower washes out in sunlight.
• GPS: Built‑in GPS (not "connected" via phone) is a game‑changer for runners. Dual‑band is even better, but single‑band works fine in open areas.
• Water resistance: 5ATM is swim‑safe; IP68 handles splashes only. Don't pay for 10ATM unless you actually dive.
• Battery life: Real‑world usage is often 30‑40% less than lab claims. Check mixed‑use estimates (with health tracking on) and look for 7+ days to avoid daily charging.

Health Sensors: Accuracy Over Quantity

More sensors don't always mean better data. For an inexpensive smartwatch, focus on reliable heart rate and SpO₂ — optical PPG quality varies wildly. Read reviews for real‑world accuracy; consistent readings matter more than feature lists. Sleep tracking is usually decent, but advanced metrics like VO₂ Max or HRV are rough estimates, not medical tools.

Software and Ecosystem

A smooth, bug‑free app makes or breaks a cheap smartwatch. Clunky sync or data loss ruins the experience. Check if the app supports Strava/Apple Health/Google Fit — you want your data to travel. Also, is the interface responsive? Laggy menus are deal-breakers for daily wear.

Phone Compatibility

Some watches are Android‑only (Samsung Galaxy Fit3); others work with iOS but lock certain features (CMF Watch 3 Pro limits replies on iPhone). Always verify full compatibility before buying. If you switch phones later, will the watch still work?

Hidden Costs

Some affordable smartwatch models lock advanced metrics behind subscriptions (Fitbit Inspire 3's Readiness Score requires Premium). Factor that in — an $80 watch with a $10/month fee quickly becomes expensive.

Build Quality and Comfort

Plastic backs and cheap straps feel less premium but reduce weight. Aluminum cases offer durability without adding bulk. Try to find a strap that's sweat‑friendly (silicone or FKM) and a display protected by Gorilla Glass — scratches ruin a budget watch fast.

Essential Extras vs. Nice‑to‑Haves

• Must‑have: Notifications, music controls, alarm/timer.
• Nice but optional: Bluetooth calling (quality varies), voice assistant, offline music storage.
• Skip at this budget: NFC payments, cellular connectivity, app stores — they rarely work well on inexpensive smartwatch models and drive up cost.

Final Words

Finally, set realistic expectations. The best smartwatch under $100 won't replace a Garmin or Apple Watch, but it can deliver excellent fitness tracking, good battery, and reliable notifications. If that's exactly what you need, they're more than enough. Prioritize what you actually use daily, and ignore flashy gimmicks you'll never touch, like overhyped AI coaches or fake bezel swaps.

Still unsure which cheap smartwatch to pick? Start with a well‑rounded option like the Mibro GS Pro 2. It offers dual‑band GPS, solid running metrics, and long battery life at a price that won't hurt your wallet. It's a safe first step into the world of budget wearables, and you can always upgrade later if your needs grow. The key is to match the watch to your real routine, not to a marketing brochure.