DrPhos' pH Calculator app icon

Apps Like DrPhos' pH Calculator for iPhone and iPad

Calculate pH, pOH, [H⁺], and [OH⁻]

Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.

by Monte L Helm★ 3.73 ratingsEducation$0.99Data updated 2026-09-06

DrPhos' pH Calculator screenshots

Ranked alternatives

Showing 201–220 of 1,000 ranked alternatives.

  1. Science AI. app icon

    Science AI.

    Thinkabout LTD

    Solve problems with AI

    Scan homework problems to get step-by-step solutions and accurate answers. Access explanations for topics. Solve equations and math problems with AI assistance. Share solutions with classmates. Track progress and review past problems.

    ★ 4.722 ratingsEducationFreeData updated 2026-09-06
  2. Programming Calculator app icon

    Programming Calculator

    Mikhail Razin

    Convert numbers between bases, calculate, and get

    Convert numbers between bases 2 to 30 with real-time updates. Perform calculations in multiple number systems. Display results accurately with a clean, intuitive interface. Switch between bases instantly for precise outputs.

    ★ 4.941 ratingsUtilitiesFreeData updated 2026-09-06
  1. SquareRootCalculator app icon

    SquareRootCalculator

    Jirou Fukuda

    Calculate square roots and fractions

    Calculate square roots and perform fraction operations. Execute basic arithmetic with unlimited precision. Simplify rational expressions easily. Input and compute complex equations without digit overflow.

    ★ 4.237 ratingsProductivityFreeData updated 2026-09-13
  2. Math.AI - Math Solver app icon

    Math.AI - Math Solver

    MOBILUCK COMPANY LIMITED

    Solve problems and track progress

    Solve problems by scanning with the camera. Get step-by-step explanations and instant answers. Access solutions for various levels. Learn science, history, and other subjects through integrated content. Track progress and review detailed solutions.

    ★ 4.932 ratingsEducationFreeData updated 2026-09-06
  3. Amino Acid Academy app icon

    Amino Acid Academy

    Andrew McGee

    Test acids and memorize their codes

    Learn the 20 naturally-occurring acids through flashcards. View structured information tables or take quizzes to test knowledge. See structures, names, and codes. Use a simple interface with chalkboard-style visuals for easy study.

    ★ 4.515 ratingsEducationFreeData updated 2026-09-12
  4. LabCal app icon

    LabCal

    Harald Tammen

    Calculate molarity, moles, and dilutions.

    The app calculates molarity, converts between grams and moles, and computes dilutions. It features slider-controlled SI-prefixes with automatic value adjustment and allows switching molecular weight between Dalton and kilo-Daltons.

    ★ 1.97 ratingsReferenceFreeData updated 2026-09-10
  5. Math Solver : Homework Helper app icon

    Math Solver : Homework Helper

    Iryna Bernova

    Solve problems by picture

    Solve problems by taking a picture or uploading an image. Recognize handwritten or printed equations. Provide step-by-step solutions and explanations. Allow users to input problems manually if needed. Share solutions via email or social media.

    ★ 4.729 ratingsUtilitiesFreeData updated 2026-09-06
  6. Halcyon Calc Lite app icon

    Halcyon Calc Lite

    Halcyon Touch Software

    Calculate and scroll through numbers

    Perform calculations with over 225 built-in operations including trigonometry, logarithms, complex functions, and real numbers. Scroll through the stack with finger gestures. Copy and paste results. Work with real and complex numbers.

    ★ 4.715 ratingsUtilitiesFreeData updated 2026-09-08
  7. RTRO-CLC2 app icon

    RTRO-CLC2

    Oto Insa

    Calculate, copy, and track results

    Perform calculations with basic math operations including addition, subtraction, multiplication, division, and square roots. View tape and history by swiping from the right. Copy results with a tap.

    ★ 4.424 ratingsUtilitiesFreeData updated 2026-09-06
  8. Meridian / JetProp Torque app icon

    Meridian / JetProp Torque

    InfoPogo, Inc.

    Calculate flight metrics instantly

    Calculate max speed cruise , true airspeed, pounds per hour, and NM/pound based on altitude and outside air temperature. Input values for Piper , M600, M700 Fury, and DLX aircraft. Reference performance tables and figures from specific POH sections.

    ★ 4.68 ratingsReference$14.99Data updated 2026-09-14
  9. Unit Converter - OmniConvert app icon

    Unit Converter - OmniConvert

    Jonathan Chen

    Convert units and currencies offline

    Convert units and currencies with real-time exchange rates and offline support. Switch between dark mode and light mode. Access calculators for salary, gratuity, and more. Perform unlimited conversions without size limits.

    ★ 5.042 ratingsUtilitiesFreeData updated 2026-09-06
  10. Slopes: Differential Equations app icon

    Slopes: Differential Equations

    Tim Lucas

    Explore with slopefields and phase planes

    Explore graphical solutions to ordinary with interactive activities. Input custom or use preloaded examples. Plot vector fields and solutions for multiple initial conditions. Solve systems of up to six dynamically.

    ★ 4.941 ratingsEducationFreeData updated 2026-09-11

How we rank alternatives

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