Apple Watch SE 3 vs Fitbit Versa 4
This is a classic rivalry: the Apple Watch SE 3 against the Fitbit Versa 4, Apple against Fitbit, both in everyday smartwatch territory. If you only read one line, make it this: the Fitbit Versa 4 takes 2 of 4 compared areas, and the battery life gap is the one to look at first.
At a glance
- Display Tie
- Health & Fitness Sensors Fitbit Versa 4 wins
- Battery Life Fitbit Versa 4 wins
- Smart Features & Connectivity Apple Watch SE 3 wins
- Price Fitbit Versa 4 wins
- Health & Fitness Sensors2.9
- Smart Features & Connectivity10.0
- Health & Fitness Sensors4.3
- Smart Features & Connectivity5.0
Spec scores (0 to 10) are calculated from manufacturer specs against other models in the same class. See how the formula works. They are not reviews or user ratings.
Key Differences
-
The Fitbit Versa 4 has 700% more rated battery life
Put simply, the Fitbit Versa 4 is far ahead here: 6 days compared with 18 h. Ratings assume typical use; GPS workouts and always-on screens will shorten both.
-
The Apple Watch SE 3 has a cellular option
This is a feature gap rather than a spec gap: the Fitbit Versa 4 simply lacks it. A cellular option lets the watch take calls, receive messages and stream music without your phone nearby.
-
The Fitbit Versa 4 has blood-oxygen readings
If you’ve come to rely on blood-oxygen readings, note that the Apple Watch SE 3 leaves it out. Wrist-based blood-oxygen data is a wellness indicator rather than a medical measurement, so treat it as a trend.
Design & Size
Design & Durability
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Case size (largest) | 44 mm | N/A (not specified) |
| Available sizes | 40 mm, 44 mm | N/A (not specified) |
| Water resistance | 50 m | 50 m |
| Case material | Aluminum | N/A (not specified) |
| Thickness | 0.42 in | N/A (not specified) |
| Weight (largest, no band) | 1.16 oz | N/A (not specified) |
Display
Too close to call
There’s no meaningful winner in the display section; the two are too close to separate. In short, display is a draw; the decision lies elsewhere.
Health & Fitness Sensors
Fitbit Versa 4 leads
The Fitbit Versa 4 has the slight upper hand on health & fitness sensors. Choose the Fitbit Versa 4 and you get blood-oxygen readings. Blood-oxygen readings can add context to sleep tracking and to training at altitude. The takeaway: on health & fitness sensors, the Fitbit Versa 4 is the stronger watch.
Blood oxygen
Apple Watch SE 3: no Fitbit Versa 4: yes The Fitbit Versa 4 can take blood-oxygen readings; the Apple Watch SE 3 can’t.
Battery Life
Fitbit Versa 4 leads
In the battery life category, the Fitbit Versa 4 isn’t just ahead; it’s clearly ahead. In its favor, the Fitbit Versa 4 has 700% more rated battery life. The Fitbit Versa 4 is rated to last longer between charges, a big deal on trips and long weekends. Net result: the Fitbit Versa 4 leads this part of the comparison.
Rated battery life
Apple Watch SE 3: 18 h Fitbit Versa 4: 6 days Longer battery life means fewer nights on the charger, which also makes sleep tracking easier.
Smart Features & Connectivity
Apple Watch SE 3 leads
The Fitbit Versa 4 comes close on smart features & connectivity, but the Apple Watch SE 3 does just enough to lead. The Apple Watch SE 3 delivers a cellular option. With the Apple Watch SE 3, you can leave your phone at home on a run; the Fitbit Versa 4 depends on it for connectivity. In short, the Apple Watch SE 3 is the better-equipped watch for smart features & connectivity.
Cellular option
Apple Watch SE 3: yes Fitbit Versa 4: no Cellular models usually cost more and need a plan, so it’s only worth it if you’ll use the freedom.
Full Specifications
Display
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Display type | Always-On Retina LTPO OLED | Color AMOLED |
| Resolution (largest) | 368 x 448 | N/A (not specified) |
| Peak brightness | 1,000 nits | N/A (not specified) |
| Always-on display | Yes | Yes |
Health & Fitness Sensors
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Optical heart rate | Yes | Yes |
| ECG | No | No |
| Blood oxygen | No | Yes (winner) |
| Skin temperature | Yes | Yes |
| GPS | Built-in L1 GPS (GLONASS, Galileo, QZSS, BeiDou) | Built-in GPS + GLONASS |
| Dual-frequency GPS | No | No |
Battery Life
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Rated battery lifeManufacturer rating, typical use | 18 h | 6 days (winner) |
| Rated life in low-power modeManufacturer rating | 32 h Shortest low-power mode | N/A (not specified) |
| Charging | Fast charging, 0 to 80% in about 45 min | N/A (not specified) |
Smart Features & Connectivity
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Chip | S10 | N/A (not specified) |
| Storage | 64 GB | N/A (not specified) |
| Cellular option | Yes (winner) | No |
| Contactless payments | Yes | Yes |
| Phone compatibility | iPhone only | iPhone and Android |
| Software | watchOS | Fitbit OS |
Design & Durability
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Case size (largest) | 44 mm | N/A (not specified) |
| Available sizes | 40 mm, 44 mm | N/A (not specified) |
| Water resistance | 50 m | 50 m |
| Case material | Aluminum | N/A (not specified) |
| Thickness | 0.42 in | N/A (not specified) |
| Weight (largest, no band) | 1.16 oz | N/A (not specified) |
Price
| Spec | Apple Watch SE 3 | Fitbit Versa 4 |
|---|---|---|
| Launch price | $249 | $230 (winner) Lowest price in class |
“N/A” means the manufacturer does not specify the value or we could not confirm it. Figures marked “manufacturer rating” are the maker’s own claims, not our measurements.
Price & Value
The Apple Watch SE 3 asked only $19 more at launch. If value matters, the Fitbit Versa 4 makes a strong case: it saves $19 and wins more of the comparison.
Launch prices (US) as of September 2025. Discounts and bundles come and go, so compare current prices before buying.
Which One Should You Buy?
Choose the Apple Watch SE 3 if…
- you want a cellular option
- you prefer staying with Apple
Choose the Fitbit Versa 4 if…
- you hate charging your watch every day (6 days vs 18 h)
- you like tracking blood oxygen during sleep or at altitude
- you want the lower price and can live with the trade-offs ($19 less)
Also Compared
Frequently Asked Questions
Which is better for most people, the Apple Watch SE 3 or the Fitbit Versa 4?
For most people, the Fitbit Versa 4 is the stronger choice, unless what you want most is a cellular option.
Which has better battery life, the Apple Watch SE 3 or the Fitbit Versa 4?
Going by the official figures, the Fitbit Versa 4 leads: 6 days versus 18 h for rated battery life. Screen use, settings and efficiency will shape your own results.
Is the Apple Watch SE 3 cheaper than the Fitbit Versa 4?
The Fitbit Versa 4 is the cheaper option, launching at $19 less than the Apple Watch SE 3 (launch prices as of September 2025).
Executive Summary
Here’s my honest read on a classic rivalry: Apple’s Apple Watch SE 3 against Fitbit’s Fitbit Versa 4. The Fitbit Versa 4 has 700% more rated battery life, and for most people that’s not a small thing. Then there’s blood-oxygen readings, another point for the Fitbit Versa 4. Credit where it’s due: the Apple Watch SE 3 offers a cellular option.
The Apple Watch SE 3 makes sense for anyone who values smart features & connectivity; the Fitbit Versa 4 for anyone who values health & fitness sensors.
My pick: the Fitbit Versa 4, unless you care more about a cellular option than anything else.
Personal opinion based on the data above. Your priorities may differ.