BubbleLevel – Spirit Level

BubbleLevel is a professional digital spirit level for Android. It uses your phone's motion sensors to measure level, plumb, angles and slopes with high precision.

Perfect for construction professionals, HVAC installers, carpenters, surveyors, DIY projects and home improvement.

Features

• Horizontal level
• Vertical level
• Circular bull's-eye level
• Automatic orientation detection
• Fast and accurate measurements

Units

Measure in

• Degrees (°)
• Percent (%)
• Per mille (‰)
• Ratio (1:X)

Construction presets

Built-in target slopes for

• Drainage pipes
• Wet rooms
• Roofs

The bubble automatically centers on the selected target slope.

Slope calculator

Calculate height difference from

• Distance
• Slope

Results are displayed in millimeters.

Calibration

• Quick calibration
• 180° flip calibration

No perfectly level reference surface required.

More features

• Reading lock
• Adjustable tolerance
• Sound and vibration feedback
• Light and dark themes
• Keep screen awake

Languages

• English
• Finnish
• Swedish

BubbleLevel combines a clean interface with professional-grade accuracy, making it the perfect digital level for everyday use and demanding jobs alike.

PRO SUBSCRIPTION

The core features are free: level, calibration, units (° / % / ‰ / 1:X),
plumbing and construction presets and the camera view.

Pro also unlocks:
• Vehicle tilt monitoring – side and fore-aft tilt, peak values and
adjustable warning limits
• Slope calculator – height difference from length and slope
• Metal detector – the magnetometer locates metal studs, nails and pipes in
a wall: reading in microtesla, a graph and an adjustable alarm threshold

Choose a yearly or a monthly plan. The yearly plan includes a 7-day free
trial with nothing charged during it; the monthly plan has no trial. Unless
you cancel during the trial, the subscription continues on the plan you
chose and renews automatically until you cancel. The current price is shown
in the app before purchase. Cancel anytime in Google Play -> Subscriptions.
Payment is handled by Google Play.

Terms: https://www.mobileapps.fi/bubblelevel/kayttoehdot.html
Privacy: https://www.mobileapps.fi/bubblelevel/tietosuoja.html