Apps Like Bubble Level - Spirit Level for iPhone and iPad
Measure surfaces, calibrate, save settings
Measure surfaces for levelness and angles with high precision. Calibrate quickly and save settings automatically. Accurate to one tenth of a degree. Supports Retina displays. Align picture frames or check table surfaces.
Bubble Level - Spirit Level screenshots
Ranked alternatives
Showing 321–340 of 1,000 ranked alternatives.


PocketRTA Ultra
Limelight Software
Portable real-time spectrum analysis tool.
The app provides real-time spectrum analysis using Fourier Transform. It offers various display modes, including octave bands and spectrograms, with multi-touch magnification and noise cancellation features.



Sound Level Analyzer
TOON,LLC
Measure and analyze sound frequencies easily.
The app measures sound levels and analyzes sound frequencies. It offers tools for ambient noise, audio systems, vehicle interiors, and live events.


ViolinTuner - Tuner for Violin
Hsing-Fu Hsueh
Tune strings and adjust frequency settings
A tuning for string instruments. Adjust string pitch by comparing with piano sound. Select frequency and tuning settings. Display pitch indication for each string. Calibrate using open strings.






Roof Pitch Gauge: Pitch Factor
Omari Sopromadze
Measure with camera overlay
Measure using camera overlay and CoreMotion for accurate degree and rise/run calculations. Organize measurements by job or client. Capture and annotate photos. Generate client-ready PDF reports.




dBMeter - Decibelmeter
Ramon Palacios Saez
Measure sound intensity in real time
Measures sound intensity in real time with decibel accuracy. Displays minimum, maximum, and average noise levels. Shows noise-time graphs for analysis. Allows microphone calibration for precise readings. Supports background and screen-off operation.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.