COROS PACE 3 vs Polar Pacer Pro

COROS PACE 3 and Polar Pacer Pro are watches released in 2023 and 2022, with overlapping phone compatibility. This comparison separates the catalog's listed specifications from missing information and approximate values. It covers 17 fields, including 10 exact differences; it does not choose a winner.

Specifications side by side

Field	COROS PACE 3	Polar Pacer Pro
Release year	2023	2022
Case sizes	42 mm	45 mm
Display	1.2-inch always-on transflective MIP	1.2 in MIP 240x240
Battery, as listed	About 15 days of regular use · 38 GPS hours	Up to 7 days · 35 GPS hours (100 hours in saver mode)
Operating system	COROS OS	Polar (RTOS)
Phone compatibility	Android, iPhone	Android, iPhone
Cellular connection	None	None
Water rating	5ATM	5ATM
Glass	Mineral glass	Gorilla Glass
Case material	Polymer	Aluminum/polymer
GPS	Dual-frequency GNSS	Standard GPS
Maps	No	Yes
Payment system	None listed	None listed
Plan requirement	Not required	Not required
Listed sensors and features	HRV, SpO2	Heart rate, SpO2
Safety features	None listed	None listed
Hardware flashlight	No	No

"Not listed" means the catalog has no usable value for that field. It does not mean the watch lacks the feature. Approximate values stay visible but do not support the difference count or numeric deltas.

Where they differ

Release year: COROS PACE 3 lists 2023; Polar Pacer Pro lists 2022. The listed values are 1 years apart.
Case sizes: COROS PACE 3 lists 42 mm; Polar Pacer Pro lists 45 mm. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Display: COROS PACE 3 lists 1.2-inch always-on transflective MIP; Polar Pacer Pro lists 1.2 in MIP 240x240.
Battery, as listed: COROS PACE 3 lists About 15 days of regular use · 38 GPS hours; Polar Pacer Pro lists Up to 7 days · 35 GPS hours (100 hours in saver mode). These are the full listed battery descriptions. Different modes or case variants prevent a single numeric battery-life delta.
Operating system: COROS PACE 3 lists COROS OS; Polar Pacer Pro lists Polar (RTOS). The listed software descriptions are not a guarantee of the software version currently installed on an individual watch.
Glass: COROS PACE 3 lists Mineral glass; Polar Pacer Pro lists Gorilla Glass. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
Case material: COROS PACE 3 lists Polymer; Polar Pacer Pro lists Aluminum/polymer. Keep the variant qualifications when comparing an individual model; this row describes the catalog entry rather than every configuration.
GPS: COROS PACE 3 lists Dual-frequency GNSS; Polar Pacer Pro lists Standard GPS.
Maps: COROS PACE 3 lists No; Polar Pacer Pro lists Yes.
Listed sensors and features: COROS PACE 3 lists HRV, SpO2; Polar Pacer Pro lists Heart rate, SpO2. This compares the listed feature names, not measurement accuracy, clinical usefulness or availability in a particular country.

What separates these two

Two MIP-display running watches for people who measure battery in weeks. The PACE 3 lists dual-band GNSS against standard GPS on the Pacer Pro, HRV tracking the Polar lacks, and a battery label of about 15 days with 38 GPS hours. The Pacer Pro lists up to 7 days of battery and 35 GPS hours (100 hours in saver mode). It also lists offline maps, which the PACE 3 does not list, and an aluminum-and-polymer body at 45 mm against 42. Neither lists cellular, payments or safety features.

Where they are the same

Both list phone compatibility: Android, iPhone.
Both list cellular connection: None.
Both list water rating: 5ATM.
Both list payment system: None listed.
Both list plan requirement: Not required.
Both list safety features: None listed.
Both list hardware flashlight: No.

Which one fits you

COROS PACE 3 is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.

Polar Pacer Pro is listed as a watch compatible with Android, iPhone. Start with that phone requirement before comparing the other rows. The exact differences above are a way to identify which listed specifications matter to your use, not evidence that one model is better in every respect.