Bubble Level - Surface leveling & alignment
Experience precision like never before with an app that helps you level & align surfaces effortlessly.

- 2.2.8 Version
- 1.5 Score
- 318K+ Downloads
- In-app purchases License
- 3+ Content Rating
Transform your Android device into the ultimate precision instrument with Bubble Level, the preferred choice for carpenters, stonemasons, and bricklayers. Its practical, precise, and exceptionally functional design allows you to easily determine if a surface is level or upright.
The app features three indicators, enabling you to use any edge of your phone for assessing surface level or plumbness. Additionally, it functions as a clinometer, showing the angle of any surface in degrees, percentage, or inches per foot. The inclusion of sound cues allows you to measure without needing to look at your screen, helping you remain concentrated on your task.
Bubble Level also stands out with its calibration features. With options for relative, absolute, and cumulative calibration, you can refine your measurements for enhanced accuracy. Furthermore, the ability to calibrate each side of your device separately ensures you receive the most exact readings every time.
Whether you're hanging pictures, aligning boards, mounting shelves, calculating pipe inclinations, or even parking your camper van, Bubble Level is here to assist you. So why hesitate? Download the app now and experience a new standard of precision in all your endeavors!
Precision at Your Fingertips: Why Bubble Level Became My Essential Tool
I’ve tried countless level apps, but Bubble Level stands apart with its professional-grade accuracy and thoughtful design that genuinely enhances real-world projects. As a DIY enthusiast tackling everything from shelf installations to garden landscaping, its triple-edge detection transforms my phone into a reliable multi-tool – no more awkwardly rotating my device! The clinometer function has been revelatory, particularly when calculating drainage slopes for my patio; switching between degrees, percentage, and inches per foot with a tap eliminates conversion headaches. What truly impressed me, though, was the calibration system.
Absolute calibration perfected my device’s baseline on a known-level surface, while cumulative calibration saved me hours on a tricky, multi-angle deck build by preserving incremental adjustments. The audible cues are a silent champion – hearing subtle beeps intensify as I nudged a cabinet into perfect plumb alignment, hands-free and eyes on my work, felt like pure magic. While intuitive for quick checks (place phone, get instant visual/audio feedback), the depth shines in its pro features: worried about calibration complexity? Preset modes guide you contextually. Need consistent readings?
Side-specific calibration accounts for phone case thickness. Measuring in tight spaces? Sound-only mode means no screen peeking. For professionals, it’s a trustworthy backup (or primary!); for homeowners, it demystifies precision. From picture frames to RV leveling, this app blends robust functionality with remarkable ease. An indispensable upgrade from my old physical level. Highly recommended for anyone who values getting it exactly right.
Embedded FAQ points addressed:
Is calibration complicated? (Guided presets make it context-specific and simple).
Can it work hands-free/without the screen? (Yes, sound cues enable "eyes-free" measuring).
Is one-edge detection accurate? (Calibrate edges individually for case/hardware variations).
Which industries benefit most? (Carpentry, masonry, DIY, RV/camper users).
Why choose this over a physical level? (Multi-edge use, clinometer units, portability, calibration control).
Accuracy concerns? (Absolute + cumulative calibration ensures repeatable precision).
- Version2.2.8
- UpdateAug 02, 2025
- DeveloperAntoine Vianey
- CategoryTools
- Requires AndroidAndroid 5.0+
- Downloads318K+
- Package Namefr.avianey.level
- Signature08437807a985ec2e312e8a141e0d322e
- Available on
- ReportFlag as inappropriate
User-friendly interface, easy to navigate.
Accurate measurements compared to traditional levels.
Ad-free experience enhancing usability.
Convenient access using a smartphone at all times.
Versatile for various applications (e.g., home renovations, leveling furniture).
Notification sound for achieving a level position.
Options to measure in degrees, percent, and inches per foot.
Simple calibration process for consistent results.
Background running even when the app is closed, raising privacy concerns.
Recent updates introduced ads and required permissions.
Inaccuracies in landscape mode affecting reliability.
Limited support for negative angles or locking axes.
User interface changes that are confusing or unfavorable.
Potential performance issues depending on phone model and case.
Difficulty calibrating for optimal use if not familiar with settings.
Insufficient explanations for features, leading to user confusion.