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Precision spirit level, surface clinometer and angle finder with calibration.
Bubble Level is a precision digital inclinometer, spirit level, and angle finder designed for craftsmen, builders, DIYers, and engineers. Engineered with a clean, high-contrast industrial aesthetic, it delivers responsive, low-latency measurements in both Portrait and Landscape orientations. Measurement Modes: • Surface Level: dual-axis circular bullseye level displaying tilt, pitch, and roll readouts simultaneously. • Edge Level: measures angles along any physical edge (top, bottom, left, right) with automatic detection and edge locking. • Angle Mode: accurate inclinometer with support for absolute level and relative angle comparisons. Core Features: • Relative Zero: zero out any reference plane to measure relative slopes and angles effortlessly. • Hold Function: freeze current readings on screen when working in awkward or tight spots. • Acoustic & Haptic Guidance: audio beeps and vibration feedback trigger when hitting the target level within your defined tolerance. • Multiple Engineering Units: Degrees (°), Grade (%), Pitch (in/ft), and Roof Slope (mm/m). • Comprehensive Calibration Wizard: – Instant single-tap zero point calibration. – Two-step reversal calibration that automatically eliminates camera-bump bias. – Edge-by-edge calibration for all four sides of the phone. • Measurement History: save, review, and manage your angle measurements with timestamps. • Private & Offline: works fully offline without requiring an internet connection or sensitive device permissions.