COROS APEX Intelligent Sports Watch

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Overall impression

COROS APEX 42mm is similar to GARMIN FENIX 5S in small dial, iron triple motion heart rate watch. After 5 days of x 24 hours of use, feeling: aiming at the competitive GARMIN FENIX 5S, APEX has streamlined the product function and optimized the user experience; the price advantage is obvious, but the accuracy of data needs to be improved. For sports enthusiasts, it is a 2,000 yuan + price, easy to operate, functional enough, suitable for people with fine wrists of light iron three meters.

Appearance display

Product positioning can be seen from the appearance. GARMIN FENIX 5S on the left and COROS APEX 42mm on the right.

The net weight of COROS APEX 42mm was 51.1g.

Four highlights

Highlight 1: Less is more

In terms of functions of science and technology products, it often takes more courage and courage to do the -“method than the -+” method. COROS APEX 42mm simplifies the physical buttons of the watch to two, and concentrates on the side of the dial. By pressing and twisting, two basic actions, one finger can complete most of the operations. On the dial menu, some non-core functions and data are boldly discarded, so that users can quickly achieve their basic goals in the “human/watch” scenario.

Highlight 2: Reasonable Path

I believe that many players use GARMIN or SUNNTO watches for the first time. In order to enter an intentional menu interface, they always need to explore “up, down, left, right, forward and backward” in a circle of buttons. Even with instructions and teaching videos, they can get what they want. COROS APEX 42mm is obviously “more understandable”. The interaction path is designed according to the user’s mind, and the learning cost of novice is very low. Or swimming, for example:

Example 1: Arrive at the swimming pool and prepare for launching.

The operation on the watch is: “Enter the Main Menu of Sports” – > “Select Swimming” – > “Set up” or “Start”.

The two basic tasks of “setting up” or “starting” are obviously more humane after “choosing to swim”. Before using GARMIN, once changing the site (the distance of swimming pool changes), you have to “enter the main menu” – > “application” – > “choose swimming” – > “settings”, and then exit, “enter the sports shortcut menu” – > “choose swimming” – > “start”. The most embarrassing thing is that GARMIN’s “Enter the Main Menu” and “Up” functions are multiplexed with the same button, which is the middle of the three buttons on the left, and it takes two seconds to start. The author often forgot, so standing there five buttons to try it out in turn, really a waste of time!

A swim was recorded with COROS APEX 42mm.

Example 2: End swimming and check the data.

The operation on the watch is to finish the record, automatically present detailed reports, and twist “scroll down and turn the page” to view the swimming statistics. And these statistics, in GARMIN end record auto-presentation report only 3-4 items, must “enter the main menu” – > “history” – > “activity” – > “select the latest activity” – > “enter” in order to view, really a waste of time!

Attached is the data comparison of the 1000-meter self-swimming dial: on the left is the final statistical details presented by GARMIN (worn on the left hand), and on the right is COROS (worn on the right hand).

Highlights 3: App reports look good

App takes full account of the needs and habits of users in the mobile Internet era under the “human/mobile” scenario. Basic settings, dial customization, data details query, report long graph one-click export are all available.

It should be noted that the “advanced data” of “swimming posture automatic recognition” and “swimming heart rate detection” are concerned by two swimming enthusiasts. COROS APEX 42mm seems to have both. Are you sure?

“Automatic Recognition of Swimming Stroke”: At present, the recognition is correct for a full-range freestyle and a full-range breaststroke. The validation will continue.

“Swimming Heart Rate Detection”: Compared with the previous experience data of wearing heart rate braces and heart rate headbands, COROS reported higher overall; and COROS APEX 42mm heart rate is not in fact a real-time detection of the whole process, from call to display needs to wait 6-8 seconds. Therefore, only for reference, not more true.

Highlight 4: Swimming Heart Rate Reminder

If you look carefully at the attached drawings, you will find that COROS APEX 42 mm swimming event settings have a “heart rate reminder” function. In the 1000-meter freestyle, COROS APEX 42 mm shakes every 3 minutes or so. It shocks nearly 10 times during the whole journey. The cruise can’t stop to play with watches, so it’s somewhat baffling. Later, I swam deliberately. When I looked at my watch during the shaking, I found that it was a heart rate reminder.

The preset interval is 140 bpm-160 bpm. Therefore, it is inferred that the reading is not in the interval = not reaching the target = triggering a vibration reminder.

Highlights 5: Power saving

Before receiving COROS APEX 42mm on the 18th, the power consumption was 92%. As of writing, it had been worn for 5 days, 24 hours, swimming twice, and the current power consumption was 67%. This shows that the daily mode is quite power-saving. As for the endurance ability under high-frequency exercise, it needs to be tested later.


Advantages: high cost performance, friendly experience, fashionable appearance, swimming heart rate, energy saving and lightweight.

Disadvantage: fewer projects are supported and the accuracy needs to be improved.

Limited by time and ability, this paper is not comprehensive. As long as it can provide some reference value for swimmers, the goal will be achieved.

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