Beta launching Spring 2026

Train smarter.
Swim faster.

The AI-powered swim platform that turns your data into personalized training plans — adapting every session to your body, your goals, and your progress. Launching on Apple Watch & iPhone, with Garmin, Google, and more to follow.

Get Early Access
Join 200+ swimmers already on the list

See what's inside

Three screens. One intelligent system working for you.

9:41 ●●●
Thursday, Feb 16
Good morning, Marcus
Your Coach

Threshold day. The main set will feel hard — trust the pace targets. Last week you held through rep 6. Today, aim for 7.

Body Status Ready
78
7.2h sleep HRV Good
Threshold Builder
4,200m · ~65 min · Zone 3-4
Zone 3
● Warm-Up · 800m
● Main Set · 2,000m
● Cool-Down · 800m
This Week
M
T
W
T
F
S
S
2 of 4 sessions complete
Today
Swim
Journey
Plan
You
Today Dashboard
9:41 ●●●
Main Set · Rep 4 of 8
1:31.4
Current 100m Pace
1,850m
Distance
156
Heart Rate
38
SWOLF
16
Strokes/Lap
Live Coach

Pace is right on target. Hold steady — 4 more reps. Your stroke count is efficient at 16.

Current: 250m @ Zone 3
Target: 1:32/100m · Rest: 20s
Next: 250m @ Zone 3
Rep 5 of 8
Pause
Next Rep
Live Session
9:41 ●●●
Your Journey
Progress Overview
1:32
/100m CSS
▲ 4s faster than last month
42km
Monthly Vol
16
Sessions
38
SWOLF
CSS Pace Trend
SepOctNovDec
Training Zones
Z1
Z2
Z3
Z4
Z5
Coach Insight

Your CSS has improved 4s this month. Aerobic base is strong. Time to increase Zone 3 volume.

Today
Swim
Journey
Plan
You
Your Journey

Built for serious swimmers

Every feature exists because swimmers asked for it.

🤖

AI Coach

Your personal coach explains every session in plain language. It knows when to push, when to recover, and exactly why your next workout looks the way it does.

Session briefings Live guidance Adaptation notes
⚡

Adaptive Plans

From first-time swimmers to elite racers, every plan adapts session-by-session based on your recovery, performance, and long-term goals. No two weeks are the same.

Beginner to elite Periodized blocks Race peaking
📈

Real-Time Metrics

Stroke rate, split times, SWOLF, distance per stroke, heart rate zones — captured automatically via Apple Watch at launch, with Garmin and more coming soon.

12+ metrics Apple Watch first Garmin & more coming Zone tracking
💤

Health Integration

Sleep quality, HRV, and recovery data from Apple Health shape every workout — with Google Health Connect and Garmin Connect integrations on the roadmap.

Sleep tracking HRV analysis Recovery score

How SwimTune works

Three steps to smarter training.

1
⏱️

Swim & Track

Wear your Apple Watch and swim. SwimTune captures stroke rate, splits, heart rate, SWOLF, and 12+ metrics automatically. Garmin and Google support coming soon.

2
🧠

Analyze & Learn

Our AI engine processes your data, spots patterns, identifies strengths, and finds exactly where you can improve.

3
🎯

Train Smarter

Get a personalized plan that adapts session by session — pushing when you're ready, recovering when you need it.

Be first in the water

We're opening SwimTune to a small group of beta testers. Get early access and help shape the future of swim training.

🏆

First access to the beta

Be among the first swimmers to try SwimTune

💰

Founding member pricing

Locked in forever — no price increases, ever

💬

Direct line to the team

Your feedback shapes what we build next

Apply for Beta Access
Takes 30 seconds. Limited spots available.
✓

You're on the list!

We'll reach out soon with your beta access details. Welcome to SwimTune.

Frequently asked questions

Everything you need to know about SwimTune.

What is SwimTune?

SwimTune is an AI-powered swim training platform that creates personalized, adaptive workout plans for swimmers of all levels. It uses data from your Apple Watch — including stroke rate, split times, SWOLF, heart rate, and recovery metrics — to build training sessions that adapt to your body, goals, and progress. Think of it as having a personal swim coach that knows your data inside and out.

How does SwimTune differ from other swim apps like MySwimPro or Garmin Swim?

Unlike apps that offer generic workout libraries or raw data dumps, SwimTune uses AI to create truly adaptive training plans. Every session adjusts based on your recovery state (sleep, HRV), recent performance, and long-term goals. The AI coach explains each workout in plain language — why you're doing it, what to focus on, and how it fits your progression. It's the difference between a workout list and an intelligent training system.

What devices does SwimTune support?

SwimTune launches on Apple Watch and iPhone in Spring 2026. Garmin watch support, Google Wear OS integration, and Google Health Connect are on the roadmap and planned for future releases.

What swimming metrics does SwimTune track?

SwimTune tracks 12+ swim metrics automatically via your Apple Watch including: stroke rate, split times, SWOLF score, distance per stroke (DPS), heart rate and heart rate zones, lap count, pace per 100m, stroke count, rest intervals, and training load. It also integrates health data like sleep quality, HRV, and resting heart rate to calculate a daily recovery score.

Is SwimTune suitable for beginner swimmers?

Yes. SwimTune supports all levels from complete beginners to elite competitors. Beginner plans start with shorter sessions (around 800m), include drill video demonstrations, use plain-language coaching, and focus on building comfort and consistency. The AI coach adapts its language and expectations based on your level — beginners get encouragement and technique tips, while advanced swimmers get periodization and race-pace targets.

What is the CSS test in SwimTune?

CSS (Critical Swim Speed) is a measure of your aerobic swim threshold — the fastest pace you can sustain for 20–30 minutes. SwimTune uses a CSS test (400m + 200m time trial) to calculate your training pace zones (Z1–Z5). For beginners, the CSS test is introduced gradually around weeks 6–8 once sufficient fitness is built. For intermediate and advanced swimmers, it's part of the initial baseline testing.

How much does SwimTune cost?

SwimTune is currently in pre-launch beta. Early access is free, and founding members who join the beta waitlist will receive founding member pricing locked in forever — meaning their subscription price will never increase, even as new features are added.

When does SwimTune launch?

SwimTune's beta launches in Spring 2026 on Apple Watch and iPhone. You can join the waitlist now to get early access. Over 200 swimmers have already signed up.

About SwimTune

SwimTune is an AI swim coach and training platform built for swimmers who want more than a lap counter. It combines real-time swim metrics from your Apple Watch — SWOLF, stroke rate, split times, distance per stroke, heart rate zones — with health data like sleep, HRV, and recovery to generate personalized, adaptive training plans. Every workout is tailored to your skill level (beginner through elite), adjusts based on how your body is recovering, and comes with plain-language coaching that explains the purpose behind every set. SwimTune launches on Apple Watch and iPhone in Spring 2026, with Garmin and Google Wear OS integrations planned. It is currently accepting beta testers at swimtune.com.