The Original

Gyraline 4 Wheel Alignment Kit

Gyraline G1 transforms your iPhone into a professional-grade alignment system. Our software utilizes the sensors within your phone, while our quad-point adapter ensures proper positioning for accurate, repeatable results. G1 delivers shop-level results at a fraction of the cost.

  • Toe • Camber • Caster
  • Accuracy up to 0.05°
  • Durable PET-G
Gyraline 4 Wheel Alignment Kit
$189.98
+ No Subscriptions

Professional grade wheel alignment in the palm of your hand. Get precise measurements in mm, inches, or degrees. No strings attached.

Extremely Limited Supply
Due to high demand and precision manufacturing, all new orders are subject to a 19-day lead time. Secure your G1 unit now.

  • 3D Plane System

    Creates a system of planes in 3D space to compare all four wheels and eliminate thrust angle.

  • Track-Ready Durability

    Built for life in the paddock. The Quad-Point Adapter helps protect your phone from minor falls and impacts, and it’s resistant to oils, brake cleaner, and common shop chemicals.

From the Paddock

★★★★★
“Used it on my 2016 JKUr that hadn’t driven straight in 4 years… went from using all five lanes of the freeway to one-handed driving in a matter of two hours…”
— AJ T., Jeep JKUr Owner
★★★★★
“So far, in 3 days I have corrected issues with 2 of my vehicles… Paid for itself already! Definitely worth the money…”
— Kevin G., DIY Enthusiast
★★★★★
“Using it in our repair shop to perform quick alignment checks to see if a full alignment on our rack is necessary… very accurate so far.”
— Verified Buyer, Repair Shop Use
See All Customer Reviews

Sensor Fusion Technology

1

Attach & Calibrate

Secure your iPhone in the Quad Point Adapter and place it on the first wheel to begin calibration.

2

Walk & Touch

Follow the on-screen guide as you walk around the vehicle, touching each wheel with the adapter.

3

Create 3D Planes

Your phone’s gyroscope helps create a system of planes in 3D space—mapping each wheel’s orientation.

4

Get Precision Results

The app compares the wheel planes and body vector to deliver alignment data accurate up to 0.05°.

Visualize Your Alignment

Total Toe and Thrust Angle mode

Total Toe & Thrust

Precision Camber mode

Precision Camber

Caster mode

Caster

Frequently Asked Questions

What's the difference between G1 and G2?
G1 uses your iPhone’s internal sensors. G2 integrates its own aerospace-grade sensors for higher precision, Android compatibility, and a faster workflow.
Can I use this on any car?
Yes. Gyraline works on any vehicle. You just need a relatively level surface.
Is it durable?
Built for track days and shop life. The Quad-Point Adapter is designed to take bumps, resist common chemicals, and keep your workflow consistent.
What is the Quad Point Adapter?
A 3D-printed adapter that clamps your iPhone. Four contact points help you touch each wheel consistently—critical for repeatability.

Data-Driven Proof

Talk is cheap. We put G1 to the test against a leading industry alignment rack. The results speak for themselves.

Data graph comparing Gyraline G1 accuracy to an industry standard alignment rack View the Full Study