Coming to App Store · iOS

Race smarter.

Sail faster.

The AI performance coach for competitive sailors. Track every session, analyze your VMG, grade your tacks — and get personalized coaching powered by Claude AI.

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⛵ Built by competitive sailors
🤖 Powered by Claude AI
📍 GPS performance tracking
🔒 No ads. No data selling.
Features

Everything your
coach needs to know

Tacktiq turns your iPhone into a comprehensive performance analysis platform — no extra hardware required.

01 🤖

AI Coaching

Chat with your personal coach after every session. Powered by Claude AI, it knows your history, your boat's polars, and your weaknesses. Ask anything.

Claude AI
02 📍

GPS Session Tracking

Record every beat and run with high-frequency GPS. Visualize your track, detect laylines, and see where you lost and gained time.

Built-in GPS
03 📐

VMG Analysis

Velocity Made Good calculated against your boat's polar curves. Know exactly how close to theoretical maximum you're sailing on every leg.

Polar Curves
04 ↔️

Tack & Gybe Grading

Every manoeuvre auto-detected and graded A–D based on recovery time and speed loss. See your best tack, worst tack, and trend over time.

Auto-Detection
05 📊

Session Comparison

Compare this race to your last 5. See if you're improving in light air, heavy air, or specific point of sail. Spot patterns humans miss.

Historical Data
06 ✏️

Manual Log Entry

No GPS? No problem. Log any session manually — wind, legs, tacks, distance, sail config, sea state — and still get full AI analysis.

Offline Ready
VMG Primary metric

The number that actually matters for boat speed

A–D Tack grading

Every manoeuvre scored automatically

0 Extra hardware

Just your iPhone. No sensors, no Bluetooth

AI Coach on demand

Available after every session, 24/7

How it works

Simple on the water.
Powerful in analysis.

01
Start recording
Tap Start before you cast off. Tacktiq records GPS, speed, and heading at high frequency in the background — even with screen locked.
02
Mark your legs
Tap to start each leg — upwind, downwind, reach. Tacktiq auto-detects tacks and gybes and grades each manoeuvre in real time.
03
Review your performance
See your GPS track, VMG efficiency per leg, tack grades, and how this session compares to your recent history.
04
Ask your coach
Open Tacktiq Coach and ask anything. "Why was my VMG lower on the second beat?" "What should I focus on next race?" Real answers, not generic tips.
87% VMG Eff.
6.4kt Avg Speed
Tuesday Race · Leg 2
Upwind · 34 min · 3.2nm
Tack Quality
Avg grade: B+ · Best: 4.2s recovery
⚡
Tacktiq Coach Your port tacks are 1.8s slower than starboard. Focus on…
"

The coach I always wished I had on the water — always available, always honest, never forgets.

— Igor S., Founder · 25 years competitive sailing

Early Access

Be first
on the water

Join the waitlist and get notified the moment Tacktiq launches on the App Store. Early access members get the first month free.

✓   You're on the list! We'll email you when Tacktiq launches.

No spam. Just a launch notification. Unsubscribe anytime.