5 Best Fitness Tracker under $100 (November 2026)

Walk into the fitness tracker category with a cap of under 100 dollars and you will meet two very different philosophies. One camp packs a small color display, dozens of sport modes and long sensor lists into a watch-style band. The other strips away the screen entirely and leans on an app for everything. The first decision is therefore not which brand to trust but whether you want to glance at your wrist all day or forget the device is there.

This guide is written for people who want to count steps, follow sleep patterns and keep an eye on workouts without paying smartwatch money. It relies on the specs stated in the listings, and where a title is truncated you should confirm the details on the product page. A note on scope: the sensors named in these titles, including heart rate and blood oxygen, are for general wellness tracking and are not medical devices. In 2026 the spread between a basic band and a screenless tracker is wider than the budget gap suggests, so the choice deserves a few minutes of thought. Think about your habits first: do you want daily nudges, or only a quiet record you review once a week?

Quick Picks

Our top picks

Top pickZeacool Fitness Tracker with 24/7 Heart Rate

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Also greatZeacool Fitness Tracker with 24/7 Heart Rate

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Also greatFitness Tracker

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Also greatZeacool Fitness Tracker with 24/7 Heart Rate

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Also greatFitness Tracker with Step/Distance/Calories Counter for Women

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How to Choose

Decide whether you want a screen at all

A display lets you check the time, notifications and live heart rate without opening a phone. A screenless band gives up that convenience and, in exchange, tends to be lighter, less distracting and simpler to wear overnight. If you already own a regular watch, the screenless route may be the better fit. If you want the wrist to double as a clock, look for an AMOLED panel, since the title spells out its size at 1.10 inches.

Read waterproof labels properly

Two labels appear in these titles: 5 ATM and IP68. A 5 ATM label is generally associated with swimming in a pool, while IP68 is mostly about dust and water immersion resistance and is better treated as protection against sweat, rain and hand washing unless the manufacturer says otherwise. Check the listing for guidance on showers, swimming and saltwater, and do not assume that a number guarantees everything. Water resistance can also fade over time as seals age, so rinse the band after sweaty sessions and follow the care notes.

Look at battery and charging claims

The Fitbit Air title states up to 7 days of battery, which is a useful reference point. Other titles in this group do not give hours or days, so confirm the claim on each listing. A bright touch screen and constant heart rate sampling normally shorten battery life, so a long figure on a screenless band does not transfer to a display model. Check the charging style and whether the charger is included, since proprietary clips can be awkward to replace if you lose them while traveling.

Ignore sport-mode counts and sensor lists

One title advertises 123 sports modes. That number looks impressive, but most people use a handful at most: walking, running, cycling, swimming and a gym mode. Likewise, a long list of sensors does not mean each reading is precise. Treat sensor names as features of a wellness band, not as proof of clinical performance, and compare how each listing words its claims. Budget models often cut corners on app polish, data export and software updates, which matter more over a year of use than the length of the spec list.

The 5 Best Options

Zeacool 5 ATM Fitness Tracker

This model suits pool users and anyone who wants broad sensor coverage. The title lists 24/7 heart rate, blood oxygen, blood pressure and sleep monitoring, a 5 ATM waterproof label and step and calorie counting, though the end of the title is cut off.

• Strength: the 5 ATM label is a stronger water claim than the IP68 label on other models.
• Strength: continuous heart rate and sleep monitoring are both named in the title.
• Trade-off: blood pressure and blood oxygen readings on wristbands are for general wellness interest only, so do not rely on them for medical decisions.

Skip it if you want guaranteed accuracy for health metrics or a long battery claim, since the title provides none. Confirm the battery and app details on the listing before ordering, and check that the band size fits your wrist, because a loose strap can reduce the quality of heart rate readings on any tracker.

Fitbit Air Screenless Tracker

The odd one out in this group, this tracker has no display at all. The title lists fitness, heart rate and sleep tracking, personalized AI-powered coaching and up to 7 days of battery, in an Obsidian finish.

• Strength: the stated battery of up to 7 days means less frequent charging than most screen-based bands.
• Strength: coaching features through the app give you guidance without a wrist display.
• Trade-off: with no screen you must use your phone to see any numbers, which suits some people and annoys others.

Skip it if you want to see the time, notifications or live pace on your wrist. It is a strong fit for people who sleep with a tracker and prefer a quiet, minimal device, but check the listing for subscription details related to the coaching features, and confirm that your phone model is supported by the companion app.

Zeacool 123 Sports Modes Tracker

Variety-seekers will like this one. The title advertises heart rate and blood oxygen sleep monitoring, 123 sports modes, calorie counting, a smart watch style and an IP68 waterproof label, with the remainder cut off.

• Strength: the sports mode list covers many activities, from common workouts to niche ones.
• Strength: it lists calorie and step counting alongside the sleep and heart rate features.
• Trade-off: an IP68 label is not the same as a swimming claim, so be cautious around pools.

Skip it if you plan to swim regularly, or if you would rather have a few well-built modes than a big menu. For people who like to experiment with activities and want a familiar smartwatch layout, it is a flexible option. Confirm battery, display size and app support on the listing, and decide up front which three or four modes you will use so the menu does not become clutter.

AMOLED Touch Screen Tracker

This unbranded tracker is the choice for readability. The title mentions 24/7 heart rate, blood pressure and sleep monitoring, a 1.10 inch AMOLED touch screen, a step counter and a waterproof smart watch design.

• Strength: an AMOLED panel is typically easier to read in bright light than basic displays.
• Strength: the screen size is stated, so you can judge how much will fit on the wrist.
• Trade-off: the title offers no brand or battery information, which makes support and longevity harder to judge.

Skip it if brand reputation matters to you, or if you want a stated battery life and a clear waterproof claim. Read the full listing, the seller information and the app compatibility notes carefully before choosing it over a named alternative, and look for how the screen wakes up since that affects daily convenience.

Slim Style Fitness Watch

For light daily wear with a basic feature set, this unbranded watch is the simplest listing. It names a step, distance and calorie counter, a heart rate monitor, a slim style watch design, IP68 waterproofing, a sleep monitor and a pedometer.

• Strength: the slim design suits smaller wrists and office wear.
• Strength: the feature list covers the core features without overselling extras.
• Trade-off: no battery figure, display size or brand is given in the title, so confirm each on the listing.

Skip it if you need workout depth, long battery claims or a larger display. It works as a first tracker for someone who wants to see how many steps they take in a day and how they sleep, without learning a complicated app. If you outgrow it, the habit of wearing a tracker every day is the real win, and it transfers to any future upgrade.

Which One Fits Your Situation

You swim laps or exercise in the water

Go to the Zeacool 5 ATM model first. Its stated label is the strongest water claim in the group, though you should read the manufacturer guidance on swimming before relying on it.

You hate wearing a screen on your wrist

The Fitbit Air is built for you. It removes the display, lists up to 7 days of battery and focuses on sleep, heart rate and coaching through the app. The trade is that every number lives on your phone, so expect to open the app each morning.

You enjoy trying different activities

The Zeacool 123 Sports Modes tracker has the longest list of workout options. Pick the handful you use and ignore the rest, since menu depth does not change how well the tracker follows each one.

You want a bright, easy-to-read display

Choose the AMOLED Touch Screen Tracker. The stated 1.10 inch size gives you something concrete to compare with your current watch. For a lighter, quieter alternative, the Slim Style Fitness Watch gives you the core features in a thinner design, which many people find easier to forget they are wearing.

Common Mistakes

• Treating wrist sensors as medical devices. Blood pressure and blood oxygen features are for wellness interest; speak to a professional for health decisions.
• Reading IP68 as a swimming claim. Check the manufacturer guidance for pools, hot tubs and salt water.
• Chasing sport-mode counts. A long menu does not improve tracking quality for the few activities you actually do.
• Ignoring the app. A tracker is only as useful as its phone app, so check compatibility with your phone and any subscription terms.
• Skipping the battery check. Where a title gives no figure, confirm it on the listing before assuming a week of use; a bright screen and constant heart rate sampling can shorten it noticeably, so plan around the lower end of any claim.

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Frequently Asked Questions

Do I need a phone to use a fitness tracker?

In most cases yes. A phone app holds your history, sleep charts and settings, and a screenless band like the Fitbit Air depends on the app for every reading.

Is a screenless tracker better for sleep?

Some people find a screenless band less distracting at night because there is no light on the wrist. Comfort matters more than the label, so look at weight, strap material and size, and think about whether you will wear it every night without noticing.

What does 5 ATM mean?

It is a water pressure label commonly associated with swimming in a pool. The manufacturer guidance on the listing remains the final word on what activities are suitable.

Can these trackers replace a smartwatch?

For step counting, sleep and basic workouts, they cover much of the same ground. They usually lack third-party apps, contactless payments and the deeper phone integration that full smartwatches offer. If those matter, a tracker is the wrong category, and you should budget for a different class of device.