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 761–780 of 1,000 ranked alternatives.


Propeller Calc
Frode Rorvik
Calculate pitch, gear ratio, RPM, and speed
Calculate pitch, gear ratio, RPM, slip, and speed by inputting any four variables. Toggle to select the parameter to compute. Provides precise mechanical and propulsion-related calculations.

BulletCalc3
Jack McCormack
Calculate ballistics and generate charts
Calculate ballistic trajectories using metric or imperial units. Input speed, angle, and elevation to generate distance and time data. Export dynamic charts for 100, 200, 300, and 500-yard ranges.



iLevel Plus
nakhon phagdeechat
Measure angles with iPhone or iPod
The app simulates a tool to measure levels on an iPhone or iPod Touch. It measures vertical, horizontal, and 45-degree angles with an optional sound warning for horizontal plane measurements under one degree.



BendingTool
Amada Ai-Link Service Co.,Ltd
Calculate sheet metal processing pressure and elongation.
The app calculates elongation values for sheet metal and converts gauge materials to inches and millimeters. It includes tools for calculating material weight, length, width, and thickness.


PROKE
PGM12 SRL SEMPLIFICATA
Scan tags to measure body dimensions
Take body measurements using a smartphone camera and wearable tags. Scan tags to measure body dimensions accurately. Store and track measurements over time. Share results with brands or retailers for personalized shopping.


My Heart Rate Monitor: BPM
Atthaporn Chanprakon
Measure and view chart
Measure by placing a finger on the iPhone’s camera. View overview charts and tags for each measurement. History records data over time.



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[steel shapes] canada
jesus homes
Canadian steel sections database reference
The app provides access to the Structural Steel Sections Database. It displays mechanical and geometrical properties in metric units for various section types.

AirSize
孝龙 刘
Visualize dimensions with precise shapes
ProDimensions allows users to view precise dimensions of shapes on screen with preset options for paper, photos, and objects. It also enables AR mode to place virtual 2D/3D rectangles in real environments for spatial visualization.


Unit Converters - CalCon
STAGE CODING, Travnik
Convert units with one tap
Convert units between metric and imperial systems. Switch between Celsius and Fahrenheit. Calculate fuel efficiency and convert distances. Store frequently used conversions for quick access.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.