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 221–240 of 1,000 ranked alternatives.

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How we rank alternatives

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