Fitbit Air vs Fitbit Inspire 3
Fitbit Air (2025, listed at $129) and Fitbit Inspire 3 (2022, listed at $99) are both fitness bands, so the choice comes down to specifics.
Specs last updated · prices are list prices
Fitbit Air
Fitbit's newest lightweight band — focused wellness tracking with a crisp AMOLED display.
Fitbit Inspire 3
Featherlight wellness band — sleep score, stress and active zone minutes.
The verdict
On the numbers we track, Fitbit Inspire 3 wins on weight (19 g vs 22 g) and price ($99 vs $129).
Bottom line: on raw specs the Fitbit Inspire 3 leads 2 to 0, but five spec categories are only a starting point. Match it to your phone, your main sport and your budget before you decide, or run the free quiz to see how each ranks for your answers.
Spec by spec
| Spec | Fitbit Air | Fitbit Inspire 3 |
|---|---|---|
| Battery (rated) | 10 days | 10 days |
| Weight | 22 g | 19 g |
| List price | $129 | $99 |
| Water rating | 5ATM | 5ATM |
| Tracked features | 2 | 2 |
| Case size | 36 mm | 35 mm |
| Display | AMOLED | AMOLED |
| Works with | both iPhone and Android | both iPhone and Android |
| Listed best for | everyday wellness and health tracking | everyday wellness and health tracking |
| Released | 2025 | 2022 |
Trophy marks the better value on the five measurable specs. Battery is the manufacturer's rating, not our test. How we score is on the methodology page.
Feature overlap
Both have (2)
- blood-oxygen (SpO₂)
- AMOLED display
Only Fitbit Air (0)
Nothing unique.
Only Fitbit Inspire 3 (0)
Nothing unique.
Which one should you pick?
Pick the Fitbit Air if…
- You might switch phones: it works with both iPhone and Android, the Fitbit Inspire 3 only works with Android.
- You want the newer model (2025 vs 2022).
Skip it if…
- • You want to run or ride without your phone — it has no built-in GPS.
- • You want a big, easy-to-read screen — the case we list is only 36 mm.
Pick the Fitbit Inspire 3 if…
- You want to spend less: it lists for $30 less.
- You want a lighter watch: 19 g vs 22 g.
- You might switch phones: it works with both iPhone and Android, the Fitbit Air only works with Android.
Skip it if…
- • You want to run or ride without your phone — it has no built-in GPS.
- • You want a big, easy-to-read screen — the case we list is only 35 mm.
Frequently asked questions
Which has better battery life, the Fitbit Air or the Fitbit Inspire 3?
They are rated the same, at about 10 days per charge. Real-world life depends on GPS, display and cellular use.
Which is cheaper, the Fitbit Air or the Fitbit Inspire 3?
The Fitbit Inspire 3 has the lower list price: $99 against $129 in our database. List prices change often, so check Amazon for today's price.
Do the Fitbit Air and Fitbit Inspire 3 work with iPhone and Android?
Yes, they have the same phone support: both iPhone and Android.
Which is better for swimming, the Fitbit Air or the Fitbit Inspire 3?
Neither has an edge on water rating: both are rated 5ATM. 5ATM is suitable for showering and pool swimming, but not for high-speed water sports or diving.
Not sure either is right for you?
Nine questions about your phone, sport, wrist and budget, scored against all of our watches with the reasoning shown.
Take the free quiz