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.
AlphaDelta screenshots
Ranked alternatives
Showing 41–60 of 1,000 ranked alternatives.



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.

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.

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.


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.

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.

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.


CD Antigens Information Finder
Wiley
Find CD and antibodies
CD Antigen provides details on CD molecules, including molecular weight, family, structure, and cellular expression.

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.

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.



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.

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.

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.

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.

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.
How we rank alternatives
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.