iPhone + Apple Watch

Measure your ride.

Real G-forces. Real speed. Real heart rate. CoasterData turns every roller coaster into a data story you can share.

4.8g Peak Force
72mph Top Speed
158bpm Heart Rate
Download on the App Store

Your pocket ride engineer

Everything the phone and watch sensors can tell you about a coaster, captured in one tap.

📐

3-Axis G-Forces

Vertical, longitudinal, and lateral acceleration at 50Hz. See exactly where the forces hit — drops, inversions, helixes, launches.

⏱️

Speed & Altitude

GPS-derived top speed and barometric altitude changes. Know exactly how fast you went and how far you dropped.

❤️

Heart Rate

Apple Watch captures your BPM throughout the ride. See your heart spike on the first drop and recover on the brake run.

Watch + Phone Sync

Start from either device. Live stats on both screens. Use the watch as the sensor for better pocket performance.

📊

Replay & Analyze

Scrub through the full ride timeline. Landscape mode with labeled axes. Export raw 50Hz CSV data for deep analysis.

🎢

Park Detection

Automatically detects nearby parks and shows their coasters. Select the ride, attach the data, build your ride history.

Three taps to proof

1

Pick your coaster

The app detects your park and shows the ride list. Select the coaster while you're in line.

2

Tap record

Hit the button, pocket your phone. The sensors handle the rest at 50 samples per second.

3

Share the proof

Get your stats, add a selfie, share the branded card. Your friends will want the app.

Share cards that slap

Every ride generates a branded card with your stats, graph, and selfie. Built to post.

Coaster Data Jun 9, 2026
Cannibal — Lagoon
4.21g
out-pulled an F-16 turn
Vert
3.8g
Long
2.1g
Lat
1.9g
Time
68s
MPH
70

Prove the drop.

Every coaster has a story. Now you've got the data.

Download on the App Store #CoasterData