Apple Watch Series 10 vs Apple Watch Ultra 3

Both have (7)

• built-in GPS
• ECG
• blood-oxygen (SpO₂)
• on-device music
• contactless payments
• AMOLED display
• swim tracking

Only Apple Watch Series 10 (0)

Nothing unique.

Only Apple Watch Ultra 3 (2)

• LTE / cellular
• offline maps

Pick the Apple Watch Series 10 if…

• You want to spend less: it lists for $400 less.
• You want a lighter watch: 36 g vs 61 g.
• Your main use is everyday wellness and gym and strength work: it is listed for that and the Apple Watch Ultra 3 is not.

Skip it if…

• • You use an Android phone — it only pairs with iPhone.
• • You do not want to charge often — it is rated for about 1.2 days per charge.
• • You have a small wrist (under about 160 mm) — the 46 mm case we list is large (check whether a smaller size is sold).

Pick the Apple Watch Ultra 3 if…

• You want fewer charges: about 1.7 days per charge vs 1.2 days.
• You need LTE / cellular and offline maps, which the Apple Watch Series 10 does not list.
• Your main use is multisport and triathlon and outdoor adventure: it is listed for that and the Apple Watch Series 10 is not.
• You want the newer model (2025 vs 2024).
• You swim or paddle: 10ATM vs 5ATM.

Skip it if…

• • You use an Android phone — it only pairs with iPhone.
• • You do not want to charge often — it is rated for about 1.7 days per charge.
• • You have a small wrist (under about 160 mm) — the 49 mm case we list is large (check whether a smaller size is sold).