Bubble level

Contains adsIn-app purchases
4.7
294K reviews
Content rating
PEGI 3
10M+
Downloads
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About this app

A bubble level, spirit level or simply a spirit is an instrument designed to indicate whether a surface is horizontal (level) or vertical (plumb). Bubble Level app is handy, accurate, simple to use and incredibly useful tool for your Android device. Hold any of the phone's four sides against an object to test it for level or plumb, or lay it down on a flat surface for a 360° level.



● Calibrate any side independently
● Calibrate relatively (another object surface) or absolutely (earth gravity)
● Show angle in degree, inclination in percent, roof pitch or inches per foot (:12)
● Inclinometer
● Adjustable sensitivity
● Sound effects to calibrate without looking at the phone
● Install on SD
● Orientation locking

Where can you use Bubble Level ?

A bubble level is usually used in construction, carpentry and photography to determine if objects on which you're working on are level. Used properly, a bubble level can help you create flawlessly leveled pieces of furniture, help you when hanging paintings or other items on the wall, level billiard table, level table tennis table, set up a tripod for photographs and much more. It’s a must have device for any home or apartment.

● Alignment of the picture, board, furniture, wall and etc.!
● Calculation of different angles in various situations!
● Checking your table, shelf and surface level of every face-up objects!
● Tracking the inclination of bike, car and etc.

These are the main occasions of app usage, but you’ll find much more in practice!

This application can also be used as a clignometer or inclinometer to measure angle of slope using three different units of measure: degrees, percent, and topo. It is also known as a tilt meter, tilt indicator, slope alert, slope gauge, gradient meter, gradiometer, level gauge, level meter, declinometer, and pitch & roll indicator.
Updated on
Oct 11, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
App info and performance and Device or other IDs
Data is encrypted in transit
Data can’t be deleted

Ratings and reviews

4.7
288K reviews
Michael Schwartz
March 1, 2026
I like this level. Does what it is supposed to do, no more, and seems accurate. One thing I'd like... 1. On the bubble level view, make the numeric status (degrees, percent, etc.) large and the bubble scale small. I'm using the numeric for my current project, but the numbers are very small and hard to read in the small box. I looked around for a setting to adjust, but didn't find one.
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Emka D
January 28, 2026
After opening, it shows two options to continue with targeted advertising or pay to get rid of ads, but every time I click on first option, it doesn't allow me to use the app. You cannot get out of that screen. Someone here said it got updated and fixed. No it did not. It forces you to pay no matter what you click. At least the cost is decent and not as crazy as many other apps out there that do the same thing. But why offer targeted ads when you don't allow people to use it anyway...
2 people found this review helpful
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Kevin Humble
February 9, 2023
Ads ads ads. It could be a decent app if it was not so aggressive with the permissions and adverts. Not just the fact that you get 2 or 3 per measurement but they will not cancel ... you are forced to click through. I would pay for ad free but no one off purchase - it's a monthly subscription. This will cost you like £36 for a year. Pure greed and not worth it. As the cherry on the top. They ask you to rate the app. Select 5 stars and you go to Google play.... anything less and it's just them.
70 people found this review helpful
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