Verify alignment on your schedule. G1 uses your iPhone's sensors and our quad-point adapter to deliver race-proven repeatability. Know immediately if your car is off — no guessing, no appointments.
- Toe • Camber • Caster
- Repeatable Results
- Durable PET-G
A professional alignment system on your iPhone. Six dedicated alignment modes designed to diagnose, verify, and guide suspension adjustments anywhere.
Gyraline G1 is only compatible with iOS. iPhone not included.
Non-Commercial Use Only.
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Know if your car is off — immediately
Creates a system of planes in 3D space to compare all four wheels. No more guessing if your alignment is the problem.
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Race-proven repeatability you can trust
Built for track days and paddock life. Resistant to oils, brake cleaner, and common shop chemicals. The Quad-Point Adapter protects your phone and ensures consistent contact every session.
The Software at the Heart of Gyraline
Six dedicated alignment modes — running on your iPhone.
G1 isn't just a physical adapter. It unlocks professional alignment software designed to verify geometry, diagnose problems, and guide adjustments — anywhere, anytime. This software normally lives inside expensive alignment racks. G1 makes it portable.
6-Point Check
Compare all four wheels to the rear axle to measure total toe and straighten a crooked steering wheel.
Rear Thrust
Identify rear axle misalignment before touching the front — the foundation of any proper alignment.
Body Alignment
Reference wheel alignment to the vehicle centerline, not just axle-to-axle.
Camber
Quick left/right camber comparison to balance handling and tire wear.
Caster
Guided caster sweep with automatic calculation — no math required.
Ackermann
Visualize steering geometry differences between inside and outside wheels.
Watch a real DIY alignment check — no edits, no tricks
Proven Outside the Shop
"Tracked straight for the first time in 4 years. Two hours, done."— AJ T., Jeep JKUr Owner
"Fixed two cars in three days. Paid for itself already."— Kevin G., DIY Enthusiast
"It works really well . Have set up a few cars Now and it double check them with my old gauges and it has been perfect every time"— Michael, Verified Buyer
Sensor Fusion Technology
Attach & Calibrate
Secure your iPhone in the Quad Point Adapter and place it on the first wheel to planeify it's position.
Walk & Touch
Follow the on-screen guide as you walk around the vehicle, touching each wheel with the adapter.
Create 3D Planes
Your phone’s gyroscopes and accelerometers help create a system of planes in 3D space—mapping each wheel’s orientation.
Get Repeatable Results
The app compares the wheel planes and body vector to deliver defensible alignment data you can trust.
Frequently Asked Questions
What's the difference between G1 and G2?
Can I use this on any car?
What is the Quad Point Adapter?
Is it durable?
Do I need any other equipment?
How long does an alignment check take?
Can I save multiple vehicle profiles?
What iPhone models are compatible?
Data-Driven Proof
Talk is cheap. We put G1 to the test against a leading industry alignment rack. The results speak for themselves.
View the Full Study
