Photon Calc app icon

Apps Like Photon Calc for iPhone and iPad

Calculate energy and transmission

Displays cross sections for gamma/x-ray photons, fluorescence, and edge energies. It calculates transmission and attenuation for any energy. Information includes atomic number, mass, density, and energy values.

by Black Cat Systems★ 5.01 ratingsReference$2.99Data updated 2026-09-08

Photon Calc screenshots

Ranked alternatives

Showing 1–20 of 1,000 ranked alternatives.

  1. Atoms To Go Table of Elements app icon

    Atoms To Go Table of Elements

    Black Cat Systems

    Look up element data and nuclear properties

    Access chemical and nuclear data for and isotopes. View properties like density, melting point, and thermal conductivity. Explore nuclear details including half-life, decay mode, and daughter products.

    ★ 4.86 ratingsReference$2.99Data updated 2026-09-08
  2. APE Optics Calculator app icon

    APE Optics Calculator

    Stefan Popien

    Calculate SFM, DFG, and OPO wavelengths

    APE enables users to evaluate equations in ultrafast and nonlinear laser . It calculates Sum Frequency Generation, Difference Frequency Generation, optical parametric oscillator parameters, and coherent anti-Stokes Raman scattering values.

    ★ 4.84 ratingsEducationFreeData updated 2026-09-08
  1. EELS Atlas app icon

    EELS Atlas

    Gatan Inc

    Edge energies for all elements.

    The app provides edge onset energies and general edge shapes for all stable elements. Data can be searched or browsed by element or by energy within an interface.

    ★ 5.02 ratingsReferenceFreeData updated 2026-09-15
  2. Tchalam app icon

    Tchalam

    Richard Sam

    Interpret dreams and generate numbers

    Interprets dreams using a list of numerical meanings to generate lottery numbers. Provides historical lottery data and recent results. Allows users to track dream elements and their corresponding numbers for number games.

    ★ 4.610,621 ratingsUtilitiesFreeData updated 2026-09-17
  3. Elementium app icon

    Elementium

    Samuel Spencer

    Search elements by properties and trends

    Access detailed element information including symbol, name, atomic number, and mass. Search by classification, phase, or other properties. View electronegativity, atomic radius, and electron configuration.

    ★ 4.6598 ratingsEducationFreeData updated 2026-09-09
  4. Photon Connect app icon

    Photon Connect

    Chengdu E-Linter Information Technology Co., Ltd.

    ★ 0.00 ratingsUtilitiesFreeData updated 2026-09-06
  5. Eco Cat App app icon

    Eco Cat App

    Ecotrade Tech Company Limited

    List catalytic converters and track inventory

    Look up catalytic converter values by car brand or manufacturer. View detailed listings with images. Check prices for over 20,000 items. Search for specific models and compare values. Export data for record-keeping.

    ★ 4.71,946 ratingsBusinessFreeData updated 2026-09-11
  6. iCollect Movies: DVD Tracker app icon

    iCollect Movies: DVD Tracker

    iCollect Everything, LLC

    Manage movies, scan, sync, organize

    Manage and inventory 4K, Blu-ray, HD-DVD, DVD, VHS, LaserDiscs, CED, and digital files. Search or scan to add movies to lists. Sync across devices and platforms. View detailed information and organize collections.

    ★ 4.68,021 ratingsReferenceFreeData updated 2026-09-08
  7. JEOL USA Periodic Table app icon

    JEOL USA Periodic Table

    JEOL USA Inc

    View tables for MS, EDS, NMR

    Reference allows users to select between mass spectrometry, energy-dispersive x-ray spectroscopy, or nuclear magnetic resonance spectroscopy tables. Clicking on elements shows method-specific information about stable isotopes.

    ★ 4.84 ratingsReferenceFreeData updated 2026-09-17
  8. P-T Calculator app icon

    P-T Calculator

    National Refrigerants, Inc.

    Calculate pressure and temperature

    Calculate pressure and temperature values for refrigerants. Input pressure or temperature to automatically compute the other. Display superheat and subcool values. Show saturated vapor and liquid values for blends. Switch between refrigerant types.

    ★ 4.852 ratingsReferenceFreeData updated 2026-09-13
  9. Brew Meister: Measure & Manage app icon

    Brew Meister: Measure & Manage

    Anton Paar ConsumerTec GmbH

    Extract content instantly

    Track fermentation progress by importing density or refractometer measurements. Store data in customizable batches. Visualize trends over time. Export results for record-keeping. Sync measurements from EasyDens or SmartRef devices.

    ★ 4.7642 ratingsUtilitiesFreeData updated 2026-09-28
  10. Slow Shutter Cam app icon

    Slow Shutter Cam

    Cogitap Software

    Capture photos and videos

    Capture motion blur and light trails using speed settings. Adjust exposure time, ISO, and focus manually. Import photos and apply creative effects. Share images directly from the .

    ★ 4.62,810 ratingsPhoto & Video$2.99Data updated 2026-10-16
  11. Talbica: Periodic Table app icon

    Talbica: Periodic Table

    Andrey Markelov

    Look up elements and reactions

    Chemistry tools include a with over 50 properties per element, such as atomic weight, melting point, density, and ionization energy. Access compounds database and reactions reference. View high-resolution element images.

    ★ 4.729 ratingsEducationFreeData updated 2026-09-21
  12. The Chemical Touch: Lite Edition app icon

    The Chemical Touch: Lite Edition

    Christopher Fennell

    View elements, masses, and properties

    Access element data including atomic mass, density, melting and boiling points, atomic radius, and electronegativity. Tap elements to view Wikipedia pages for detailed information.

    ★ 3.82,485 ratingsEducationFreeData updated 2026-09-08
  13. Calculator Pro Lite app icon

    Calculator Pro Lite

    Cider Software LLC

    Customize themes and buttons

    Customize appearance with themes, button shapes, and colors. Choose from six layouts and control all visual elements. View input and result simultaneously on dual-line display. Adjust settings for precise calculations.

    ★ 4.63,075 ratingsUtilitiesFreeData updated 2026-09-08

How we rank alternatives

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