Measure objects with a camera ruler mode that uses your phone's camera for distance calculations. Switch between inches and centimeters. Adjust measurements with precision sliders. Access a classic ruler and tape measure for manual measurements.
by Tue Nguyen Minh★ 4.335,090 ratingsUtilitiesFreeData updated 2026-09-08
DB Tracker measures real-time levels and logs historical data. Users can view level trends, set exposure limits, and receive notifications when thresholds are exceeded. Data can be exported for analysis and shared via email.
Measure by placing a finger over the iPhone’s camera and flashlight. Track weekly statistics and manually log health data. View detailed readings and set reminders for regular checks.
Monitor and control substation operations with real-time data collection from sensors and measuring equipment. View accurate measurements, track performance, and manage remote devices for efficient management.
The app transforms an iPhone into a sound level meter, offering dual-input measurement and a contextual reference guide. It provides long-term data logging for up to 12 hours and allows for CSV file export.
Measure flange dimensions including class rating, bolt size, and thickness. Calculate elbow cutting measurements based on radius and standard specifications. Input manual data for custom adjustments.
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Detect lies by scanning fingerprints
Detect lies by analyzing pulse variations during questioning. Users cover the back camera, speak, and allow the to scan fingerprints and measure physiological responses to determine truthfulness.
Measure colors in XYZ and Lab color spaces from any photo area. Calculate distance between two colors in Lab. Adjust chromaticity values to match iPhone4 camera characteristics. Supports calibration using color checkers.