Ring Sizer: Risi
Axel Le Pennec
Measure finger size and select size
Measure finger or size using a phone camera. Input measurements to calculate size. Convert measurements between units. Save and share results. Provide guidance for accurate sizing.
Apps Like 定規(Ruler) for iPhone and iPad
Measure accurately in mm and inch
Measure device dimensions with a ruler tool that displays millimeters and inches. Tap to mark start and end points. Switch between metric and imperial units. Share measurement results directly.
定規(Ruler) screenshots
Ranked alternatives
Showing 321–340 of 1,000 ranked alternatives.
Ductulate HD
Steven Ramsay
Calculate air flow and duct sizes
Calculates air volume, pressure loss, velocity, and duct size for rectangular or round ducts. Supports both imperial and metric units. Users input values to determine required dimensions and system performance.
Ruler Box - Measure Tools
志荣 杨
Learn types and use cases
Learn to use various rulers with real-world examples and user cases. Explore different types of rulers including calipers. Discover how to and apply measurements accurately in practical scenarios.
Partometer3D measure on photo
VisTech.Projects LLC
Objects in 3D space with your camera
Distances, areas, perimeters, angles, and circle parameters using photos. Define measurement planes in 3D space. Adjust for non-parallel planes. Export measurement data. Share results directly.
Mila's Weight Converter
Scott DeSapio
Convert units of instantly
Convert between pounds, kilograms, grams, and ounces. Input and select units for conversion. Share results via copy or email. Supports imperial and metric systems.
Clinometer Bubble Level
齐 陈
Measure angles and check surface flatness
Measure angles and check surface flatness for home projects. Calibrate the tool, use hold mode, and auto fade when not in use. Display angles numerically and ensure verticality for walls or roofs.
Roofing Calculator Pro
Anna Filobok
Calculate roof pitch and rafter length
Convert between imperial and metric units in real time. Calculate roof pitch, rafter length, and roof area using rise, run, or house area. Input measurements in meters, centimeters, or inches.
KRK Audio Tools
Gibson Pro Audio Corp.
Measure frequency in real time
Measure and display real-time frequency spectrum with Spectrum RTA. Calibrate monitor levels using the Level Meter. Determine optimal EQ presets with EQ Recommendation. Align monitors for accurate sound with Monitor Align.
AppBox: Useful 16 Apps in One
AllAboutApps
Track battery, manage dates, convert currency
Battery monitor tracks device charge level and health. Currency converter switches between 195 currencies and 3 precious metals with manual or automatic rate updates. Date calculator determines days between two dates.
Aerospace Groove Selector
Trelleborg Sealing Solutions Germany GmbH
Aerospace hydraulic groove standards selector.
The app covers five SAE Aerospace groove standards for hydraulic systems. It displays groove dimensions, tolerances, and indicates suitability for dynamic and static seals.
Ring Sizer: Perfect Fit
Ramkumar Vellaisamy
Measure rings with your phone camera
Measure size with a smartphone camera using guided steps. Select from US, UK, or EU sizing standards. Save previous measurements for future reference. Share results directly with retailers or jewelers.
Water Remover - Clean Speaker
NEXTPIXEL APPS LLP
Test speakers with precision sound
Test speakers by playing calibrated sound tones. Measure sound levels in decibels and frequency. Check microphone functionality by analyzing input levels. Subscribe for weekly or monthly access to advanced testing features.
Tile Calculator, Flooring calc
Phan Nhat Đang
Calculate tiles, boxes, and cost accurately
Calculate quantity, boxes needed, and estimated cost for floors or walls. Account for grout gaps and input dimensions or pre-known sizes. Provide cost estimates based on material prices.
Protractor Edge - Clinometer
嵩 张
Measure angles with device and lines
Measure angles by placing the device on the desired surface and adjusting two lines to align with the angle's sides. Display degrees in real time without needing photos or overhead placement.
House Squarer
Armchair Engineering
Measure spaces and convert units
Calculate floor area with customizable input and output units. Choose decimal precision. Add or remove rooms using "+" or swipe. Convert measurements between metric and imperial systems.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.