Shift Unit
Didier Burton
Convert units with precision and accuracy
Convert units across 34 categories with 1400+ conversion options. Switch between light and dark mode. Use as a home widget with localized number formatting.
Apps Like HamAntCal for iPhone and iPad
Calculate antenna lengths in feet or metric
Calculate antenna lengths for dipoles, inverted vee, and vertical antennas in feet/inches or metric. Input frequency and select antenna type to get starting length. View 1/8, 1/4, 1/2, 5/8, and full wave options.
HamAntCal screenshots
Ranked alternatives
Showing 261–280 of 1,000 ranked alternatives.
Carbon Drive Belt Tension Tool
Gates Corporation
Measure belt tension sonically with microphone.
The app measures belt tension sonically by reading vibration frequency. Users can compare their bicycle belt's frequency to a chart or their vehicle's owner's manual for tension recommendations.
Pipe Tools
Global Alloy Pipe & Supply, Inc.
Access specs and charts on the go
Access steel specifications including wall thickness and mass measurements in inches, millimeters, pounds, and kilograms. Convert units between feet, meters, pounds, and metric tonnes. Compare costs and view charts from ASME B36.
Machinist Journeyman
James Rowe
Manage tools, track projects, and organize workflows
Perform machine shop calculations for diameters, angles, and threads. Convert between imperial and metric units. Access formulas for gear ratios and thread pitch. Store and retrieve frequently used values. Export results in printable format.
Ruler Professional
KBIC International Limited
Measure length in cm or inches
Convert physical objects into measurements using a function. Adjust two red lines to measure distances in centimeters or inches. Display measurements instantly on the screen.
Japan-US Unit Conversion
Koya Nambo
Convert units with precision and ease
Convert units across categories including length, weight, speed, and volume. Switch between metric and imperial units. Perform calculations for conversions and save frequently used values. Share results via copy or email.
Structural Engineering lite
V PUGAZHENTHI
Calculate loads, beams, and columns
Solve and civil problems with 58 calculators. Calculate shear capacity, critical ratio, effective length factor, slenderness ratio, and allowable compressive stress. Switch between Imperial and Metric units.
Construction Calc Pro
Snappy Appz Inc.
Construction computer for feet and inches.
The app performs calculations in feet, inches, and fractional inches. It includes modules for material estimates, conversions, area and volume calculations, trigonometry, and stairwells.
iFunctionGenerator
Black Cat Systems
Audio function generator for mobile devices.
The app transforms a mobile device into an audio function generator. It allows for multiple generators with independent control over frequency, wave type, volume, and phase for precise audio output.
Machining App for Machinists
Motionics, LLC
Machining calculator and reference tool.
The app provides calculations for drilling, milling, and turning operations. It also serves as a reference tool with charts for tap sizes, drill sizes, and machining parameters for various materials and tool types.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.