Amazfit T-Rex 3 Pro vs Coros Apex 2 Pro

Both have (5)

• built-in GPS
• blood-oxygen (SpO₂)
• on-device music
• offline maps
• swim tracking

Only Amazfit T-Rex 3 Pro (1)

• AMOLED display

Only Coros Apex 2 Pro (0)

Nothing unique.

Pick the Amazfit T-Rex 3 Pro if…

• You want to spend less: it lists for $70 less.
• You need AMOLED display, which the Coros Apex 2 Pro does not list.
• You might switch phones: it works with both iPhone and Android, the Coros Apex 2 Pro only works with Android.
• You want the newer model (2025 vs 2022).
• You want a bright AMOLED screen.

Skip it if…

• • You have a small wrist (under about 160 mm) — the 48 mm case we list is large (check whether a smaller size is sold).
• • You want something light enough to sleep in — it weighs 70 g.

Pick the Coros Apex 2 Pro if…

• You want fewer charges: about 30 days per charge vs 25 days.
• You want a lighter watch: 53 g vs 70 g.
• Your main use is running: it is listed for that and the Amazfit T-Rex 3 Pro is not.
• You might switch phones: it works with both iPhone and Android, the Amazfit T-Rex 3 Pro only works with Android.
• You want a display that stays readable in direct sun and sips power.

Skip it if…

• • You have a small wrist (under about 160 mm) — the 46 mm case we list is large (check whether a smaller size is sold).
• • You want a bright, vivid AMOLED screen — this one uses a lower-power display.