How to Use the 2-Axis Level

This is the all-in-one view — it measures left-right and front-back tilt simultaneously. The bubble floats around a circular plane, and your goal is to park it right in the center where the four cradle marks are.

Lay your phone flat on whatever you're checking. The bubble will drift toward whichever side is lower. When all four edges of the bubble touch the cradle marks, you're level in both directions at once.

The two numbers show gamma (left-right, γ) and beta (front-back, β) separately, so you know exactly which direction needs adjusting. This is especially handy for things like levelling a tripod, a caravan, or shimming table legs where you need both axes dialled in.

If you only care about one direction, the dedicated Horizontal or Vertical views are simpler and show a tube-style level that's easier to read for single-axis work.

Frequently Asked Questions

What are the four marks around the center?

Those are cradle marks — they show exactly where the bubble's edges should sit when you're perfectly level. Think of them like the groove lines on a traditional round spirit level. When the bubble fits snugly inside all four, you're good.

Why use 2-axis instead of two separate levels?

Because surfaces can slope in diagonal directions. If you check left-right and front-back separately, you might miss a corner-to-corner tilt. The 2-axis view shows the total tilt as a single bubble position, making diagonal slopes immediately obvious.

What's a good use case for this?

Levelling anything where both directions matter at once — pool tables, washing machines, 3D printer beds, camera tripods, caravan pitch levelling, or checking if a patio slab is properly seated. Basically anything that sits on four legs or corners.

The bubble wobbles even when the phone is still

That's normal sensor noise — every accelerometer has a tiny amount of jitter. The spring-damper physics we use filters most of it out, but you'll still see very small wobbles of ±0.1°. On a truly flat surface it should be barely noticeable. If it's jumping around a lot, try a different surface — your table might not be as flat as it looks.

Can I use this face-down?

The sensor handles face-down orientation, but the display is optimised for face-up use. For screen-down measurements, try the Timer Level — it gives you 3 seconds to flip the phone over before it captures the reading.