Apps Like SPK-ToolBox for iPhone and iPad
Ranked alternatives
Showing 1–20 of 1,000 ranked alternatives.
DWSIM Simulator
Daniel Medeiros
Simulate chemical processes offline
Allows users to create chemical process models using a touch-enabled PFD drawing interface. It supports offline operation and performs VLE/VLLE/SVLE/SVLLE calculations with equation of state and activity coefficient methods.
TLV ToolBox
TLV CO.,LTD.
Calculate steam and control valves on
Turn your mobile device into a portable steam calculation tool. Access steam tables for saturated and superheated steam. Calculate pipe sizing for steam and condensate. Perform heating calculations and determine Cv and Kv values.
Calculator
The App Tower Inc.
Calculate with 80 themes to choose
A with customizable themes allows users to select from multiple visual styles. Perform basic and advanced calculations. Switch between light and dark modes. Adjust font size and color schemes.
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.
Graphing Calculator Plus AI
An Truong
Calculate, graph, and solve equations
Solve equations and graph functions with advanced math support. Perform calculus operations and matrix calculations. Access detailed tutorials and a comprehensive user manual. Export results and share calculations.
Chemical Engineering AppSuite HD
Vector 254 LLC
Convert units, calculate formulas, track reactions
Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.
The Best Calculator - Calc Pro
Panoramic Software Inc.
Calculate and manage financial data
Perform complex calculations using 10 built-in calculators including scientific, financial, and unit conversion tools. Access 10 financial worksheets for budgeting, loans, and investments. Save and share calculation results.
Duct Calculator Elite
Cyberprodigy LLC
Calculate size, velocity, and pressure drop
™ lets users input airflow, velocity, or friction to determine size. Calculate pressure drop and flow rate. Input dimensions for custom shapes. Export results and save calculations.
NCalc Scientific Calculator +
Tran Duy
Calculate, graph, convert, solve
Allows users to perform complex calculations with a natural display that shows expressions as written. It supports fractions, roots, and exponents. The includes a graphing module for visualizing equations.
Hydraulics and Waterworks Calc
V PUGAZHENTHI
Calculate pressure, flow, and force
Calculate hydraulic parameters like capillary rise, viscosity, hydrostatic pressure, and head loss. Convert between metric and imperial units. Solve for pressure head, velocity head, and specific energy head.
Calcbot 2
Tapbots
Review calculations and send them back
Lets users perform calculations and convert units with an easy-to-read history tape and expression view. Save and reuse previous calculations. Convert between units intuitively. Sync with Apple Watch for on-the-go use.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.