AlphaDelta app icon

Apps Like AlphaDelta for iPhone and iPad

Compute stable isotope fractionation equations.

The app computes stable isotope fractionation for H, C, O, and S. It calculates the 1000 ln α value between molecules at a set temperature or the temperature of isotope equilibrium for a difference in isotope composition.

by Universite Laval★ 5.02 ratingsReferenceFreeData updated 2026-09-17

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Ranked alternatives

Showing 221–240 of 1,000 ranked alternatives.

  1. Earth-Now app icon

    Earth-Now

    Jet Propulsion Laboratory

    Visualizing Earth Science Satellite Data

    The app visualizes recent Earth Science satellite data including temperature, carbon dioxide, and sea level variations. Data sets are presented using false color maps with color-coded legends to indicate environmental conditions.

    ★ 4.643 ratingsEducationFreeData updated 2026-09-25
  2. HVAC Refrigerant PT app icon

    HVAC Refrigerant PT

    Cyberprodigy LLC

    HVAC/R pressure-temperature reference tool.

    The app provides pressure-temperature reference data for 55 refrigerants, including PT charts and superheat/subcooling calculations. It offers detailed refrigerant information and works offline without requiring an account or ads.

    ★ 4.864 ratingsUtilities$6.99Data updated 2026-10-13
  3. Temperature Converter ∞ app icon

    Temperature Converter ∞

    Chen-Yu Wei

    Convert between Celsius, Fahrenheit, and Kelvin

    Convert temperatures between Celsius, Fahrenheit, and Kelvin. Input a value and instantly switch units. Display results in selected format. Share converted values via copy-paste or screenshot.

    ★ 4.526 ratingsUtilitiesFreeData updated 2026-09-06
  4. Ollomol app icon

    Ollomol

    MD. USE INNOVATIONS SL

    ★ 0.00 ratingsEducationFreeData updated 2026-09-14
  5. SIMO : MATLAB programming app app icon

    SIMO : MATLAB programming app

    Numerical Co.

    Run code and view results

    Provides a interpreter for basic language syntax and functions. Users can run code, debug scripts, and access tutorials. It supports educational use for students and instructors learning fundamental concepts.

    ★ 4.258 ratingsEducation$4.99Data updated 2026-09-09
  6. DB40X app icon

    DB40X

    Christophe de Dinechin

    ★ 5.04 ratingsProductivityFreeData updated 2026-09-06
  7. Fraction Help Calculator app icon

    Fraction Help Calculator

    Armchair Engineering

    Solve fractions and view steps

    Solve equations with addition, subtraction, multiplication, and division. View step-by-step working to understand solutions. Handle mixed and partial fractions. Convert between decimals and fractions. Find factors of numbers or common factors.

    ★ 4.812 ratingsUtilities$2.99Data updated 2026-09-08
  8. iPhasematch app icon

    iPhasematch

    Yushi Kaneda

    Calculate nonlinear wavelength conversion phasematching

    The app calculates nonlinear wavelength conversion phasematching conditions using Sellmeier equations. It provides orientations, nonlinear optical coefficients, and tolerances for various crystals based on user-inputted wavelengths and temperature.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-25
  9. Graphing Calculator AR app icon

    Graphing Calculator AR

    Ron Avitzur

    Graph functions and visualize equations

    Allows users to plot functions, implicit relations, and parametric curves. It supports 3D graph visualization in AR. Features include inequality plotting, vector fields, and coordinate transformations.

    ★ 4.141 ratingsEducationFreeData updated 2026-09-11
  10. Subtraction Flash Cards Quiz app icon

    Subtraction Flash Cards Quiz

    Villegas Ventures LLC

    Solve equations in 30 seconds

    Practice by solving random equations in a 30-second timer. Track progress over time. Suitable for 3rd and 4th grade students, teachers, parents, or individuals seeking to improve skills.

    ★ 3.243 ratingsEducationFreeData updated 2026-09-17
  11. AWG Calculator App app icon

    AWG Calculator App

    Melchisedec Martinez Rodriguez

    Calculate wire size and NEC® standards

    Perform electrical calculations including wire size, voltage drop, and conduit sizing. Customize material and temperature settings. Access NEC® 2023 tables, FAQs, and searchable articles. Calculate ampacity and use Ohm's Law.

    ★ 4.755 ratingsUtilitiesFreeData updated 2026-09-06

How we rank alternatives

Apps are ranked by functional similarity, category fit, rating confidence, and popularity.