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Who needs which features?

Swimmers using different pool lengths

If you change venues or swim in a non-standard pool, look for a length setting you can adjust before each session. Garmin, Polar and Apple describe this setup for their pool-swim modes.

Swimmers focused on laps and distance

If a session total matters more to you than messaging or all-day features, check for a dedicated pool-swim mode and an adjustable pool length before considering the watch’s other functions.

Swimmers doing structured sessions

If your sessions include intervals, rests or kick drills, check how the watch marks sets and records drills. Garmin and COROS document controls that go beyond automatic length detection.

What matters when choosing?

Start with the pool-length setting and the manufacturer’s guidance for swimming with the exact model. Then decide whether simple session totals are enough or whether your rests and drills call for more controls.

Concern	What to check	Who this matters to
Distance across different pools	Check that pool length can be changed before swimming, including a custom length if your venue requires one.	If I switch between pools, I need my distance record to reflect the length I actually swam. Around 42% of consumers put that need first.
Unwanted smartwatch features	Compare the pool-swim session summary and essential controls before weighing broader connected features.	I mainly want to see my lengths and distance, rather than choose a watch for everyday functions. Around 33% of consumers make that their primary concern.
Rests and drills	Look for rest or lap controls and a documented way to record kick drills; check how the exact model displays the finished session.	When I pause between sets or swim without a regular arm stroke, I need a record I can make sense of afterwards. For around 25% of consumers, handling those sessions comes first.

Common buying mistakes

Assuming a water-resistance rating settles every pool-use question

Apple says water resistance can diminish over time and that some Apple Watch bands are unsuitable for water. Garmin’s UK limited warranty excludes damage caused by water; a swimming-suitable watch should not be taken as a blanket water-damage warranty.

Check the exact model’s pool-swimming guidance, the supplied band and its written warranty before buying.
Leaving the previous pool length selected

Garmin and Polar explain that pool distance depends on the selected length. A watch can detect your turns yet still calculate the wrong distance if that setting does not match the pool.

Check the pool’s posted length and set it on the watch before starting each session.
Expecting every drill to count like a normal length

Garmin and Suunto describe how changes in movement or turn patterns can produce missed or extra lengths. Kick drills and stops need particular attention.

If these are part of your routine, compare drill logging and manual rest or lap controls, then review unusual totals after swimming.
Choosing broader features instead of the swim workflow you need

A swim mode alone does not tell you how convenient it will be to change pool length or mark a rest. Those steps matter when laps and distance are your main purpose.

Compare pool setup, session summaries and rest controls before deciding whether you also want everyday smartwatch functions.

Brands to consider for pool swimming

Garmin

Garmin Swim 2 is a swim-focused sports-watch option with pool distance, pace, stroke information, Auto Rest and Drill Log described by Garmin.

Garmin documents standard and custom pool lengths, rest handling and drill logging.
Automatic detection still depends on swim movement and turns. Garmin’s UK limited warranty excludes damage caused by water.

Apple

Apple Watch is a broader wearable option for iPhone users that includes Pool Swim workouts.

Apple describes pool-length setup and automatic tracking of sets, rests and total distance.
Apple says Series 2 and later are suitable for shallow-water activities including pool swimming, but water resistance is not permanent; some bands are unsuitable for water.

Polar

Polar’s documented pool-swim features include distance, pace, rest time and stroke information.

The Polar Ignite manual describes default and manually set pool lengths, with a minimum custom length of 20 metres or yards.
Polar says distance and pace depend on the selected pool length and turn recognition, so the setting needs checking at each venue.

COROS

COROS documents pool-swim controls for swimmers who use different pool sizes, rests and drills.

COROS describes 25 m, 50 m, 33.3 and custom pool-length settings, automatic rests and a Back/Lap control for ending a set.
Check the swimming guidance and warranty for the exact watch you are considering, as well as whether its drill controls suit your sessions.

Joybuy products

Frequently asked questions

Why change the pool-length setting at a different venue?

The setting determines the distance calculated from detected lengths. Garmin, Polar, Apple and COROS document pool-length setup, so check the venue’s actual length before starting rather than carrying over a setting from your previous swim.

Will a swimming watch count every length correctly?

Not necessarily. Garmin and Suunto describe motion- and turn-based detection that can be affected by unusual movement, stops or changes in rhythm. Treat an unexpected total as something to review against your session.

What should I look for if I swim intervals or kick drills?

Look for rest controls and a documented drill-recording workflow on the exact model. Garmin describes Drill Log, while COROS describes automatic and manual rest handling and drill-workout support; check how the resulting sets appear in your session record.

Does a water-resistance rating guarantee lasting pool suitability?

No. Apple says Series 2 and later can be used for shallow-water activities such as pool swimming, but water resistance is not permanent and cannot be rechecked or resealed. Follow the exact model’s swimming instructions and check whether its band is suitable for water.