Frequently asked questions

You don't have to. In Auto mode Loodis sees how you hold the phone: lying flat gives the round bullseye, standing on its long edge gives the tube, upright against a wall gives the plumb view. You can also choose a mode yourself.

Hold freezes the level picture with the reading, the time and all units, so you can read it after taking the phone away or take a screenshot to send.

How close to level counts as level. Choose 0.1°, 0.25°, 0.5°, 1° or your own value in Settings. Within the tolerance the reading is green and the phone vibrates.

Yes. Calibrate with the case on. If you change the case, calibrate again.

Yes, Loodis works on Android phones and tablets, in portrait and landscape.

It shows the tilt to 0.1°. After calibration a phone is typically within about 0.1–0.2°. Read the full answer.

No. Loodis turns the phone around on the same spot, so the tilt of the table cancels out. How it works.

Every phone sensor is slightly off, and cases and camera bumps tilt the phone. Run the calibration once to remove it.

The surface, edge and plumb level in degrees, calibration, hold, vibration and all settings. No ads, no account.

Camera level with photos, slope in %, mm/m and 1:x, how many millimetres to raise, zero on any surface, full-screen green, sound guide, side and upright calibration and the corner guide. See Pro.

Yes. Every Pro feature can be used three times for free. Reinstalling the app doesn't reset the tries.

No. Loodis Pro is a one-time purchase in Google Play, yours for good.

No. No accounts, no ads, no analytics. Everything happens on your phone. Privacy policy.