Apps Like Bubble Level Tool - Digital for iPhone and iPad
Measure angles, reset, and lock orientation
Measure device angle with a . Tilt the device to see current angle. Reset and lock the angle manually. Switch between portrait, landscape, and surface modes.
by Rihab Mehboob★ 4.42,329 ratingsUtilitiesFreeData updated 2026-09-06
Measure light and color for accurate exposure settings. Use a zoomable spotmeter, RGB waveform monitor, and false-color preview. Attach Lenny Hat or Lumu™ Lite for incident readings with lux and foot-candle displays.
Resize photos using predefined scales from 1 to 10 or custom dimensions. Preview resized images before saving. Crop photos to any position and size. Rotate photos in 90-degree increments or straighten them. Save and share edited photos.
Convert across 24 categories including angle, area, energy, mass, length, speed, temperature, and more. Switch between instantly. View conversion results and history. Sync data across devices.
Measure levels in decibels with a real-time display. Access a decibel level reference table for hearing protection guidance. Save historical data for future review.
Calculate pressure and density altitudes, true airspeed, and mach number. Determine wind correction angle and true heading. Compute crosswind, headwind, and tailwind. Find ground speed and flight time. Calculate fuel burn and cloud base.
Perform complex calculations with functions including trigonometry, hyperbolic operations, and logarithms. Use memory functions, angle modes, and constants like π and e. Evaluate expressions with parentheses and view calculation history.
Select refrigerant types and units of measure. Calculate superheat and subcooling using NIST data. Convert pressure to temperature. Display custom data settings. Connect Bluetooth sensors for real-time readings.
Calculate rafter, hip, and jack rafter lengths with precise angle cuts and birdsmouth dimensions. Input roof dimensions for instant results. Guide users in cutting roof components accurately without trial and error.
Calculate decking and flooring materials with area, board runs, spacing, and waste allowance. Generate material takeoffs for boards and joists. Measure roof coverage, sheet counts, overhangs, pitch, angle, and rafter lengths.
Edit photos by selecting from the gallery or using the camera. Apply multiple and effects. Adjust image position, size, and angle. Save, share, or upload to social media platforms like Facebook, Twitter, and email.