Apps Like Stack Testers Flow Friend for iPhone and iPad
Stack Testers Flow Friend screenshots
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.


Calculator - Pad Edition
Ratha Sou
Calculate in portrait, science in landscape
Perform basic calculations in portrait mode and scientific calculations in landscape. Use root, power, factorial, exponential, division, logarithm, and trigonometric functions. Features a flat UI design similar to built-in iOS apps.

Concepts
TopHatch, Inc.
Sketch, organize, and design ideas
Create vector-based sketches and designs on an infinite canvas. Sketch plans, make notes, and draw storyboards. Organize ideas with mindmaps and doodles. Iterate and experiment with designs. Export and share work.

Pipe Trades Pro Calc
Calculated Industries, Inc.
Try before you buy with free trial
Perform length calculations, determine fittings angles, and estimate material requirements. Access schedules, standards, and industry-specific data. Convert units and calculate pressure drops. Save and export calculation results.


Sound Meter (Decibel)
Unicom TOV
Measure noise, display decibels, show reference
Measures environmental noise and displays decibel values in real time. Shows current noise reference and min/avg/max dB levels. Displays dB as a gauge and graph line. Saves measured records for later review.

Converter-Universal Conversion
Trelleborg Sealing Solutions Germany GmbH
Convert units, calculate percentages, track timezones, calculate
Convert units including currencies, length, weight, and temperature. Convert time zones and calculate percentages. Includes a running pace calculator and other utility tools for precise measurements and calculations.

▸ Calculator +
CAT VIET SOFTWARE DEVELOPMENT & MEDIA JSC
Calculate, convert, and solve equations
Perform complex calculations using 12 built-in calculators including scientific, financial, and unit conversion tools. Input formulas with three modes: standard, string, and RPN.

Ductulator - Duct Sizing
Wassim Murr
Size ducts by friction rate or velocity
Calculate sizes for rectangular and circular ducts by inputting maximum friction rate or velocity. Switch between calculation methods by tapping values. Convert between I-P and S-I units using a toggle switch. Export results for reference.


Electronics Toolkit!
Electronial
Calculate resistor values by color
Toolkit provides resistor calculations based on color codes or SMD values. It includes an LED resistor calculator and parallel resistor tools. Users can reference electronic components and formulas for design and troubleshooting.


Figure calculator ShapeInfo
Noriyasu Kutsuzawa
Calculate shape dimensions and area
Calculate lengths, angles, and area of shapes. Select a shape from a list. Input values into text boxes linked to orange points. Adjust point positions using the NEXT button or tapping points.



Simple Unit Converter - Pro Measurement and Conversion Calculator for Multi Units
Jian Yih Lee
Convert across length, area, mass, temperature,
Convert across categories including length, area, mass, temperature, volume, density, and flow rates. Switch between like km to miles or Celsius to Fahrenheit. Calculate torque and viscosity values. Export results and share conversions directly.

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.

iGeoTrans X Lite
TRAN TRUNG CHUYEN
Record routes and collect field data
Record routes from specific locations to survey sites and display them on a map. Measure distances between coordinates or map points. Calculate areas using coordinate lists or map selections.


Pipe Flow Wizard - Calculator
Daxesoft Ltd
Calculate rate and pressure loss
Calculate fluid rates and pressure loss in pipes. Determine diameter or maximum length based on rate and pressure drop. Find friction loss and rate using built-in formulas. Input dimensions and fluid properties for accurate results.
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