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

AlphaDelta screenshots

Ranked alternatives

Showing 381–400 of 1,000 ranked alternatives.

  1. NEB Tools app icon

    NEB Tools

    New England Biolabs Inc

    Plan experiments from anywhere on iPhone.

    The app provides access to New England Biolabs' web tools for experiment planning. Users can find enzymes, determine reaction conditions, calculate temperatures, and perform various calculations for molecular biology experiments.

    ★ 3.98 ratingsReferenceFreeData updated 2026-09-12
  2. FMGS A320 app icon

    FMGS A320

    ECA FAROS

    Train FMS with accurate simulation

    Flight Management System Trainer provides flight simulation with accurate FMS functions. Users can practice navigation, performance calculations, and approach procedures.

    ★ 2.111 ratingsProductivityFreeData updated 2026-09-11
  3. RTD Reference app icon

    RTD Reference

    Dohmann Engineering Services

    Convert resistance to temperature and vice versa

    Convert resistance values to temperature and vice versa for RTDs and thermistors. Support for over 70 RTD types and 9 thermistor types. Calculate temperature from resistance and display results in Celsius or Fahrenheit.

    ★ 5.01 ratingsReference$3.99Data updated 2026-09-08
  1. Refrigerant Calculator app icon

    Refrigerant Calculator

    Caio Pinheiro

    Convert pressure to temperature and vice versa

    Convert pressure or temperature values for refrigeration systems using ammonia R717, freon HCFC-22, R-22, and R134a. Calculate compressor and condenser parameters. Input values to obtain results for overheating and other related calculations.

    ★ 4.03 ratingsReferenceFreeData updated 2026-09-08
  2. Star Cool Service app icon

    Star Cool Service

    Maersk Container Industry AS

    Monitor alarms, access logs, update software

    Manage Reefers with mobile tools. Access alarm codes and troubleshooting steps. Retrieve data logs and update software via a Connect dongle. Convert temperatures, thermistor values, and refrigerant pressure/temperature. Access manuals and videos.

    ★ 4.25 ratingsBusinessFreeData updated 2026-09-12
  3. Seabook+ app icon

    Seabook+

    Ozgur GUNES

    Search marine data and navigate safely

    Access marine information and knowledge for professionals, sailors, and enthusiasts. Perform navigational and technical calculations. Store data offline. Use intuitive interface for easy reference and communication.

    ★ 4.03 ratingsEducation$6.99Data updated 2026-09-26
  4. Quick Math Jr. - School Edition app icon

    Quick Math Jr. - School Edition

    Shiny Things Software Pty Ltd

    Learn numbers, add, subtract, and count

    Teaches counting, addition, subtraction, and place value. Includes number writing exercises and drills. Features interactive activities and progress tracking. Supports classroom use with purchase options.

    ★ 5.010 ratingsEducation$8.99Data updated 2026-09-09
  5. Days in Levels app icon

    Days in Levels

    English in Levels s.r.o.

    Read, learn, and repeat articles

    Read articles daily to learn vocabulary, with each article divided into three containing 1000, 2000, and 3000 most commonly used words. Review previous articles to test memory of new vocabulary.

    ★ 5.08 ratingsEducationFreeData updated 2026-09-06
  6. Chemistry AI· app icon

    Chemistry AI·

    App Crab OOO

    Solve tasks offline

    Solve problems by entering given and find parameters. Provides step-by-step explanations and answers. Supports tasks involving formulas, solutions, mixtures, reaction equations, and excess/lack calculations. Finds reaction equations based on input.

    ★ 4.312 ratingsEducationFreeData updated 2026-09-10
  7. RevMeter Pro app icon

    RevMeter Pro

    Matthias Schorer

    Measure room acoustics with precision analysis.

    The app measures reverberation time (RT60) using Impulse and Interrupted Noise methods. It calculates RT60 based on RT20 and RT30 decay slopes and allows data export.

    ★ 2.25 ratingsUtilities$6.99Data updated 2026-09-13
  8. Thermonator Thermodynamics app icon

    Thermonator Thermodynamics

    Tomas Gomez Martin

    Solve thermodynamic problems

    Solve thermodynamic problems with a calculator that computes steam tables for water, air, ideal gases, refrigerants, and other substances. View interactive graphs of results. Share calculations.

    ★ 0.00 ratingsEducationFreeData updated 2026-09-06
  9. Tolowa Dee-ni' app icon

    Tolowa Dee-ni'

    Smith River Rancheria

    Learn words, practice sentences, speak aloud

    Learn and practice the -ni' language with 41 categories and over 1000 entries. Play 3 types of games and 3 quizzes. Access pronunciation guides, search functionality, and culture notes with images, videos, and audio.

    ★ 4.511 ratingsEducationFreeData updated 2026-09-08
  10. Refractive app icon

    Refractive

    Xavier Daxhelet

    Optical calculations for engineers and students.

    The app calculates the refractive index of transparent materials based on wavelength. It also computes light transmission angles, reflection and transmission coefficients, critical angle, and Brewster’s angle.

    ★ 5.03 ratingsEducationFreeData updated 2026-09-12
  11. Mandelbulb Raytracer app icon

    Mandelbulb Raytracer

    Klaus Engel

    Create unique 3D fractal art.

    The app renders the Mandelbulb fractal using real-time ray tracing. Users can adjust parameters to create unique 3D shapes and enable reflections for a shiny appearance.

    ★ 2.611 ratingsEntertainment$0.99Data updated 2026-09-19

How we rank alternatives

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