Android

Ruler, BubbleLevel, AngleMeter

Ruler, BubbleLevel, AngleMeter has 1,315,753 installs, rated 4.0 from 7,316 ratings, #5,008 of 247,300 in Tools.

View in the Android store ↗
Installs
1,315,753
+411 (+0.0%) a week, measured over 12 days
Rating
4.0
7,316 ratings
-1 ratings (-0.0%) a week, measured over 12 days
Rank on Android
#51,127
of 2,984,192
down 2,834 since 2026-11-04
Version
1.6.4
Last updated 2026-09-04

Description

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This bubble level (bubble ruler) and angle meter provides more practical tools than others do. Straight ruler, 2D ruler, spirit level, protractor (angle meter ), and AR measuring tool are all in this portable bubble level.

These two rulers are used to measure the length and width of an object; the protractor is used to measure the angle by setting three points while keeping the lines on the border of the object. The bubble level is used to detect whether an object is inclined both in vertical and horizontal aspects. The AR function allows you to measure distance, height, and area by simply pointing your camera at an object.

Features of Bubble Ruler and Angle Meter:
✔️ Easy to use and fast to measure
✔️ Accurate measurement (recommend calibration before use)
✔️ Measurement not limited to mobile phone length, meets various length requirements (cm/mm/in)
✔️ Lock the measuring interface to adjust the position
✔️ Name the files while saving
✔️ Measure the angle in a photo(allow to select photos from the gallery)
✔️ Display the measured projects clearly
✔️ Show numeric angle
✔️ Show angle in degree, inclination in percent and inches of rising per foot of run
✔️ AR measurement for distance, height, and lenght in real-time

The length of the ruler is precisely designed, the position of the ruler has been fixed and it will be affected by the length of the device. You do not need to calibrate it when you use it. In the level ruler, because the bubbles in the water pipe will move, it needs to be calibrated before use. You only need to ensure that the bubble is at the center point of each direction, and the vertical and horizontal tilt values displayed below are close to 0.

A note about permissions: The bubble ruler app will ask for camera permission because the app needs to use your camera to detect the angle of the object when measuring the angle and to enable AR measurement features. If you have other similar questions, you can consult by email and we will answer you as soon as possible.

Designed for measurement at home, construction site, and so on, this bubble level app can help you measure anything in your life. Try this bubble level app now. If you have any questions on the bubble level, please feel free to contact.

Is Ruler, BubbleLevel, AngleMeter safe?

StoreTally doesn't rate safety. Here's what the store and our tracking show:

  • Listed on Google Play.
  • Made by 1 Bit; developer website listed: onebit-app.web.app. Details →
  • On Google Play since 2019-04-10. Last updated 2026-09-04.
  • Rated 4.0 from 7,316 ratings. Details →

Reviews The reviews Google Play shows first (its most relevant), from the US store, in any language.

From 7,234 ratings.

Growth change in installs

Per Growth Growth % Actual change Measured over
day Not enough history yet
week +411 +0.0% +696 11.9 days
month Not enough history yet
year Not enough history yet
How these figures are measured

Change in installs, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.

Tracking since 2026-10-01. History accumulates as changes are observed — check back soon.

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