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Mike O'Brien's Fitbit Air Review

Fitbit · Reviewed by Mike O'Brien · Published 2026-05-13

Rating 4.5/5Source quality 80/100Evidence 14Claims 8Q&A 6Pros 11Cons 5

Based on a review by Mike O'Brien (accessed 2026-05-13).

What they actually found

  • Loved — Low price point of $99
  • Annoyed by — Does not have built-in GPS, relying on a connected phone's GPS for outdoor tracking

Based on this review alone: buy it if you care about low price point of $99 — just accept does not have built-in gps, relying on a connected phone's gps for outdoor tracking.

This source's evidence 🎬

Source verdict

The reviewer is very excited about the Fitbit Air, highlighting its low price of $99, no required subscription, and compatibility with both iPhone and Android. He praises its small form factor, comfort, and the new Google Health app, calling the subscription model a great implementation that adds value without gatekeeping data.

About this source

This video provides an unboxing and initial impressions review of the new Fitbit Air, a screenless fitness tracker. The reviewer covers its design, various strap options, core features, and the updated Google Health app, including its optional premium subscription model.

Review notes

The Fitbit Air presents a compelling option for a screenless fitness tracker, offering a low price and crucial health data access without a required subscription. It is significantly smaller and more comfortable than competitors like the Whoop, allowing for highly discreet wear, and boasts a commendable one-week battery life compared to many smartwatches. However, the reviewer notes this is a first impressions video, meaning long-term accuracy and actual battery performance have not yet been thoroughly tested. If you prioritize a minimalist, comfortable fitness tracker for basic health monitoring without recurring fees, this product is worth considering. If you require built-in GPS or advanced medical-grade features like ECG, you should explore other options.

What the reviewer liked

  • Low price point of $99
  • No required subscription for accessing all personal health data
  • Compatible with both iPhone and Android devices, including the Google Health app
  • Significantly smaller and more discreet than competitors like Whoop, resembling a small bracelet
  • Comfortable to wear for extended periods without creating pressure points
  • Rated for one week of battery life, longer than many smartwatches
  • Tracks heart rate, blood oxygen, stress levels, heart rate variability, and temperature (during sleep)
  • Features auto workout tracking with an option to manually adjust activities in the app
  • Includes a smart alarm that vibrates to wake at the optimal sleep stage
  • Comes with a free 3-month trial of Google Health Premium
  • The redesigned Google Health app interface is visually appealing

What the reviewer criticised

  • Does not have built-in GPS, relying on a connected phone's GPS for outdoor tracking
  • Lacks an ECG feature
  • Reviewer has not yet conducted extensive testing on accuracy or actual battery life as it's a first impressions video
  • Initially tricky to put on correctly
  • Advanced AI insights and guided workouts are paywalled behind an optional Google Health Premium subscription

Structured claims

The Fitbit Air is available for $99 and does not require a subscription to access core features and data, with an optional premium subscription for advanced AI insights.

specification_claimstrong

The Fitbit Air is compatible with both iOS and Android devices, and the Google Health app is available on both platforms.

specification_claimstrong

The redesigned Google Health app allows users to access all their core data from the Fitbit Air without needing a paid subscription, which is a significant advantage over some competitors.

reviewer_claimstrong

The Fitbit Air features a tiny, screenless design that makes it much smaller and more discreet than traditional fitness trackers, easily mistaken for a small bracelet.

reviewer_claimstrong

The Fitbit Air is officially rated by the manufacturer to have a battery life of one week, offering significantly longer usage compared to many smartwatches.

specification_claimmoderate

The Fitbit Air is described as incredibly comfortable to wear, to the point of being forgettable, and offers three main strap designs (Performance, Active, Elevated) that are easily swappable.

reviewer_claimstrong

The device features automatic workout tracking, similar to Whoop, and allows users to manually start/end workouts or correct activity labels through the app.

reviewer_claimmoderate

The Fitbit Air tracks heart rate, blood oxygen (SpO2), stress, heart rate variability (HRV), sleep, calories, and includes accelerometers and a temperature sensor. It does not have built-in GPS or ECG, but can use a connected phone's GPS.

specification_claimstrong

Evidence items

Product Unboxing and First Look

hands_on_demoneutralt=00:46–01:05

The reviewer unboxes the Fitbit Air, showing the main unit, a single strap, and the charging puck. He also mentions there are three main strap designs available.

Size Comparison with Whoop Band

comparisonpositivet=01:30–01:45

The reviewer puts on the Fitbit Air and compares its size to his Whoop band, stating the Fitbit Air is much smaller and could be mistaken for a small bracelet, making it less noticeable.

Rated Battery Life

specification_claimneutralt=02:29–02:37

The reviewer states that the Fitbit Air is rated for one week of battery life, contrasting it with smartwatches that typically last only one day.

Unit Removal and Charging Method

hands_on_demoneutralt=02:51–03:19

The reviewer demonstrates how the tiny unit can be pushed out from the back of the strap. He shows the magnetic charging puck and explains that the unit can be charged both in and out of the band.

Strap Designs and Comfort

hands_on_demopositivet=03:20–04:36

Mike showcases three different strap designs: the Performance Loop, Active Loop (silicone), and Elevated Band. He notes the Performance Loop is comfortable and that the Active Loop is stretchier and smoother, ideal for swimming. He also highlights how well the hardware is hidden in some bands.

Battery Level Indicator and Haptic Feedback

reviewer_claimneutralt=04:47–05:25

The reviewer explains the hidden LED indicator for battery levels (white >20%, red 0-20%, solid red 0%) and the haptic motor for low battery reminders and smart alarms.

Auto Workout Tracking and App Customization

reviewer_claimneutralt=05:37–06:05

The Fitbit Air offers auto workout tracking for activities like running and cycling, similar to Whoop. Users can also manually start/end workouts or correct misidentified auto-tracked activities in the app.

Cross-Platform Compatibility

specification_claimpositivet=06:21–06:40

The Fitbit Air is compatible with both Android and iOS devices, and the Google Health app works on both platforms, unlike previous Pixel Watches.

Comfort on Wrist

reviewer_claimpositivet=06:46–06:58

After putting the band on correctly, the reviewer finds it incredibly comfortable, stating he could completely forget it's there and that it doesn't push on pressure points like many other watches.

Tracked Metrics and Sensors

specification_claimneutralt=07:05–07:49

The Fitbit Air tracks heart rate, blood oxygen levels, stress, heart rate variability (HRV), sleep, and calories burned. It includes accelerometers and a temperature sensor, primarily for sleep, but lacks built-in GPS and ECG.

Google Health App Redesign

visual_inspectionpositivet=08:50–11:27

The reviewer describes the significant redesign of the Fitbit app, which is merging into the Google Health app. He provides a visual walkthrough of the four main tabs: Overview, Fitness, Sleep, and Health, highlighting customization and data insights.

Subscription Model for Data Access

reviewer_claimpositivet=09:07–10:37

The reviewer explains that all core data from the Fitbit Air is accessible for free through the Google Health app, contrasting this positively with competitors like Whoop. An optional premium subscription offers AI insights, adaptive training plans, a workout library, and medical record summaries.

Multi-Device Syncing with Google Health App

reviewer_claimpositivet=11:27–11:43

The Google Health app allows users to sync data from multiple devices, including other smartwatches, Oura Rings, and smart mattresses, consolidating health data in one place.

Price Point

specification_claimneutralt=00:23–00:27

The reviewer states the Fitbit Air is selling for a price of just $99.

Quick answers

  • Does the Fitbit Air require a subscription? The Fitbit Air does not require a subscription for basic functionality and data access, which the reviewer praises as a major advantage.
  • How comfortable is the Fitbit Air to wear? Mike O'Brien found the Fitbit Air incredibly comfortable once properly adjusted.
  • What health metrics does the Fitbit Air track? The Fitbit Air tracks a comprehensive set of health metrics including heart rate, blood oxygen levels (SpO2), stress levels, heart rate variability (HRV), sleep patterns, and calories burned.
  • Does the Fitbit Air work with both iPhones and Android phones? The Fitbit Air is designed to work seamlessly with both Apple iPhones and Android smartphones.

Buyer questions answered

Does the Fitbit Air require a subscription?

The Fitbit Air does not require a subscription for basic functionality and data access, which the reviewer praises as a major advantage. An optional Google Health Premium subscription is available for $10/month or $99/year, offering AI insights, adaptive training, a workout library, and medical record summaries. A three-month free trial is included with purchase.

How comfortable is the Fitbit Air to wear?

Mike O'Brien found the Fitbit Air incredibly comfortable once properly adjusted. He noted that it doesn't create pressure points like many other watches, making it easy to wear for extended periods without noticing it.

What health metrics does the Fitbit Air track?

The Fitbit Air tracks a comprehensive set of health metrics including heart rate, blood oxygen levels (SpO2), stress levels, heart rate variability (HRV), sleep patterns, and calories burned. It incorporates accelerometers for movement and a temperature sensor primarily used during sleep. However, it lacks built-in GPS (it uses your phone's GPS) and does not have an ECG feature.

Does the Fitbit Air work with both iPhones and Android phones?

The Fitbit Air is designed to work seamlessly with both Apple iPhones and Android smartphones. The Google Health app, which serves as the companion app for the tracker, is available and fully functional on both operating systems. This cross-platform compatibility is highlighted as a significant advantage.

What is the battery life of the Fitbit Air?

According to the product specifications, the Fitbit Air is rated to provide a full week of battery life on a single charge. This is considerably longer than typical smartwatches, which often require daily charging, offering a convenient usage experience.

What are the different band options for the Fitbit Air?

The Fitbit Air offers three primary band designs: the Performance Loop, which covers the unit; the Active Loop, made entirely of silicone for flexibility and quick drying; and the Elevated Band, which has a more premium look. Google offers four colors in each style, and the reviewer expects many third-party options to become available.

Specs mentioned in this review

Rated Battery Life
The reviewer states that the Fitbit Air is rated for one week of battery life, contrasting it with smartwatches that typically last only one day
Cross-Platform Compatibility
The Fitbit Air is compatible with both Android and iOS devices, and the Google Health app works on both platforms, unlike previous Pixel Watches
Tracked Metrics and Sensors
The Fitbit Air tracks heart rate, blood oxygen levels, stress, heart rate variability (HRV), sleep, and calories burned
Price Point
The reviewer states the Fitbit Air is selling for a price of just $99

Not covered in depth by this source

  • Not covered: Ride Feel
  • Not covered: Stability
  • Not covered: Traction
  • Not covered: Weight
  • Not covered: Breathability

Why this source is included

80/100 source quality

  • • Independent of the brand
  • ✓ Hands-on demonstration
  • ✓ Specific testing or measurements
  • ✓ Clear sponsorship / relationship disclosure

Transcript summary

Mike O'Brien unboxes and shares his first impressions of the new Fitbit Air, a $99 screenless fitness tracker from Google. He compares its compact size and comfort to the Whoop band and details its design, charging mechanism, and three different strap options. The review highlights key features like a one-week battery life rating, auto-workout tracking, and comprehensive health monitoring, while noting the absence of built-in GPS and ECG. Mike also previews the redesigned Google Health app, emphasizing that core data is accessible without a subscription, unlike some competitors.

Full transcript is not redistributed here to respect the original creator’s rights.

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About this page

This page converts Mike O'Brien's review of the Fitbit Fitbit Air into structured evidence — timestamped claims, pros & cons, and buyer questions. It is not the original review and does not replace watching or reading the full source.

Sponsorship & disclosure

Brand relationship disclosed as: gifted

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