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.
DrPhos' pH Calculator screenshots
Ranked alternatives
Showing 201–220 of 1,000 ranked alternatives.


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.

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.

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.



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.


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.

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.

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.

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.

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.

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.

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.

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.




How we rank alternatives
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