LevelPro: Surface Bubble Level

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Everyone
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Everyone
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About this app

LevelPro is a laboratory-grade surface bubble level and precision angle meter designed for carpenters, interior designers, contractors, and DIY enthusiasts. Experience smooth 60 FPS hydraulic fluid dynamics with dual-axis bullseye alignment, edge tubular levels, and real-time degree telemetry.

KEY FEATURES:
• 0.1° Dual-Axis Bullseye Precision: Full 2D surface leveling with instant equilibrium indicators and degree readouts.
• Zero Camera Bump Bias: Calibrate relative zero on any reference surface with one tap to eliminate smartphone lens offset.
• Smooth Hydraulic Fluid: Built-in sensor Low-Pass filtering removes hand tremors and engine vibration for rock-solid 60 FPS motion.
• Magnetic Haptic Snap: Feel a crisp physical sensation (mediumImpact) the exact instant you reach 0.0° equilibrium.
• Blind Acoustic Leveling Tone: Continuous pitch audio feedback rises as you approach level—align surfaces without looking at the screen.
• Dual Tubular Spirit Levels: Horizontal and vertical (90° plumb) tubes for aligning shelves, doors, picture frames, and pillars.
• Hold & Angle Logger: Freeze measurements in tight spots and save records with timestamp and slope percentage (%).
• Multiple Engineering Units: Decimal Degrees (°), Slope Percentage (%), and Roof Pitch (in/ft).

PRIVACY & HARDWARE EFFICIENCY:
• 100% Offline Capability: Operates without internet connectivity in basements, job sites, and remote areas.
• Zero Dangerous Permissions: No camera, no microphone, and no location tracking required.
• AMOLED Dark Efficiency: Deep obsidian black theme conserves battery on OLED displays.

Level with confidence, precision, and tactile satisfaction.
0.1° bullseye bubble level with haptic snap & relative zero calibration.
Updated on
Oct 24, 2026

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.
  • This app may share these data types with third parties
    Device or other IDs
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit