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 41–60 of 1,000 ranked alternatives.

  1. Argon4 app icon

    Argon4

    Georgia Tech Research Corporation

    ★ 5.01 ratingsProductivityFreeData updated 2026-09-10
  2. TDF Calc app icon

    TDF Calc

    Melvin Astrahan

    Compare radiation therapy dose regimens.

    The app calculates the biologically effective dose (BED) for radiation therapy fractionation regimens. It computes BED for external beam radiation therapy and brachytherapy treatments based on dose per fraction and dose rate.

    ★ 5.01 ratingsMedicalFreeData updated 2026-09-10
  1. Visual Math 4D app icon

    Visual Math 4D

    Ronny Weidemann

    Solve equations and visualize graphs

    Solve mathematical equations and visualize results in 2D and 3D. Plot cartesian, polar, spherical, and parametric functions. Animate equations and vector fields. Find intersections of functions. Support for complex functions.

    ★ 4.6872 ratingsEducation$1.99Data updated 2026-09-08
  2. Digital Temperature Converter app icon

    Digital Temperature Converter

    Zipo Apps Ltd.

    Convert temperatures between eight units.

    The app converts temperature values between eight different units. It displays the formulas used for each conversion.

    ★ 4.61,142 ratingsUtilitiesFreeData updated 2026-09-26
  3. goREACT app icon

    goREACT

    Museum of Science and Industry

    ★ 2.298 ratingsEducationFreeData updated 2026-09-08
  4. States of Matter by Tinybop app icon

    States of Matter by Tinybop

    Tinybop Inc.

    Explore of through experiments

    Explore of by simulating freezing soda, popping popcorn, and melting gold. Adjust temperature to observe changes in substances. Answer questions about melting and phase transitions. Sync with Apple Health.

    ★ 4.251 ratingsEducation$2.99Data updated 2026-09-17
  5. Knife Steel Composition Chart app icon

    Knife Steel Composition Chart

    ZviSoft LLC

    Knife steel composition and name database.

    The app provides a database for knife steel composition and name cross-referencing. It includes over 6500 alloy names and over 1000 compositions across 21 international standards, proprietary names, and equivalents.

    ★ 4.9583 ratingsBookFreeData updated 2026-09-26
  6. Molecule Lab app icon

    Molecule Lab

    Maxamix Corporation

    Build and visualize molecules in 3D

    Build and visualize molecules in 3D. Add oxygen, nitrogen, chlorine, carbon, hydrogen, double and triple bonds, branches, and rotation conformations. Edit structures with undo, redo, and delete functions. Export models for further use.

    ★ 4.325 ratingsEducationFreeData updated 2026-09-15
  7. CD Antigens Information Finder app icon

    CD Antigens Information Finder

    Wiley

    Find CD and antibodies

    CD Antigen provides details on CD molecules, including molecular weight, family, structure, and cellular expression.

    ★ 5.02 ratingsReferenceFreeData updated 2026-09-08
  8. Numerical³ app icon

    Numerical³

    Andrew J Clark

    Type equations, get results

    Numerical² allows users to perform calculations without an equals button. It automatically adds brackets and saves equations to a synced history list. It includes scientific functions and a Today Widget for quick access.

    ★ 4.81,337 ratingsUtilitiesFreeData updated 2026-09-08
  9. Atomizer AR: Quantum Visuals app icon

    Atomizer AR: Quantum Visuals

    Wonmo Seong

    Explore atoms and molecules in 3D

    Explore 3D models of atoms and molecules using augmented reality. Interact with different atomic orbitals, viewing their shapes and energy levels. Learn about molecular orbitals through the Hartree-Fock method.

    ★ 4.03 ratingsEducationFreeData updated 2026-09-06
  10. Mila's Unit Converter PRO app icon

    Mila's Unit Converter PRO

    Scott DeSapio

    Convert units across 16 categories

    Convert units across 16 categories with instant accuracy. Switch between hundreds of units for length, weight, temperature, and more. Calculate conversions for cooking, engineering, travel, and study.

    ★ 4.81,025 ratingsUtilities$9.99Data updated 2026-09-25
  11. Color Wheel app icon

    Color Wheel

    Roman Sevastyanov

    Explore wheels in one place

    Explore wheels in digital, abstract, and classic formats. Select colors using a camera or image. Adjust hues and values. Create combinations. Use AR stencil for proportion marking. Save and share palettes.

    ★ 4.81,044 ratingsGraphics & Design$3.99Data updated 2026-10-12
  12. TI-Nspire™ CAS app icon

    TI-Nspire™ CAS

    Texas Instruments

    Solve equations and graph functions

    Solve equations and perform algebraic manipulations. Graph functions and analyze data. Enter and analyze statistical models. Calculate derivatives and integrals. Export results and share solutions.

    ★ 4.6406 ratingsEducation$29.99Data updated 2026-09-08
  13. SciQuiz: Science Quiz app icon

    SciQuiz: Science Quiz

    Jianfeng Wu

    Quiz concepts with 3D models

    Take quizzes on Biology, Chemistry, Geography, and Physics. Explore 3D molecule structures and zoom into microscopic landscapes. Access daily and health news summaries.

    ★ 4.653 ratingsEducationFreeData updated 2026-09-16
  14. Tap OChem Lite app icon

    Tap OChem Lite

    Tap OChem, LLC

    Visualize molecules and reactions

    Explore organic chemistry concepts with interactive visualizations of molecules and reactions. View detailed explanations of key topics. Access over 170 reactions, concepts, and reference materials.

    ★ 4.920 ratingsEducationFreeData updated 2026-09-08

How we rank alternatives

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