Swim on pace.
From day one.
Vimo Swim is a programmable tempo trainer that sits under your cap. OLED display, Bluetooth and three feedback modes. Reserve a beta unit, test it in your pool for 30 days, keep it or send it back.
Refundable deposit, nothing to pay today
When your unit is allocated we email you a Deposit Confirmation with the amount and payment details. Return the device within 30 days and the deposit comes back in full.
Batch 2 ships in September 2026
Reservations are allocated in signup order.
How the beta works
Reserve your spot
Leave your details today. No payment and no card required.
Pay the deposit, get your unit
When your unit is allocated you receive a Deposit Confirmation and we ship the device to you.
Test for 30 days, then decide
Keep it and the deposit counts toward the purchase, or send it back and get the deposit refunded in full.
Reserve Your Beta Spot
Evidence for the method, not for the product
Real-time rhythm training works
In a 2025 peer-reviewed study (Frontiers in Sports and Active Living), 12 competitive swimmers learned a new training pace in one session with an off-the-shelf waterproof metronome, and 10 days later were still pacing each length more accurately without any device.
cut the average pacing error from about 3.0 s to about 0.8 s over 100 m, and from about 1.0 s to about 0.5 s per 25 m length (12 swimmers, 25 m pool, front crawl)
after the last session, per-length accuracy and lap-to-lap consistency were still better than at baseline, swum with no device. Total 100 m error had drifted back to where it started
of coach-at-the-wall time feedback left per-length accuracy and consistency unchanged in the 12-swimmer comparison group. Only the total 100 m time improved, and only by day two
Trusted by coaches
"My clients have been asking for this. A device that actually understands Total Immersion methodology. Not just a beeper, but a real training tool."
Paweł Lewicki · TI Head Coach, Poland