Comparison

Bayswater vs DrPhos' pH Calculator

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bayswater

Features
Read full description

Bayswater life on-the-go! Bayswater puts your college at your fingertips. Access study materials, book activities, connect with staff, and explore key info - all in one app. Download and unlock a connected & informed college experience.

About

DrPhos' pH Calculator

This tool instantly calculates pH, pOH, and ion concentrations for strong and weak acids and bases. It supports molarity and scientific notation, ensuring accurate results for general chemistry problems.

Highlights
  • Calculate pH, pOH, [H⁺], or [OH⁻]
  • Handles strong and weak acids/bases
  • Supports Ka and Kb values
  • Built-in molarity and scientific notation
  • Automatic pH + pOH = 14
  • Clean, focused layout
Features
Read full description

Easily Calculate pH, pOH, [H⁺], and [OH⁻] The DrPhos pH Calculator is a fast, reliable tool for solving acid-base problems in general chemistry. It supports both strong and weak acids and bases—automatically solving equilibrium expressions using the appropriate Ka or Kb values. Whether you’re converting between pH and concentration, calculating [H⁺], or just checking your work, this app provides accurate, instant results. Features: • Calculate pH, pOH, [H⁺], or [OH⁻] from any one value • Handles strong and weak acids/bases with Ka or Kb • Built-in support for molarity and scientific notation • Maintains pH + pOH = 14 automatically • Clean, focused layout with visual feedback Need more chemistry tools? Unlock additional features within the app or explore the full DrPhos GenChem Helper, which includes: • Significant Figures Counter • Molar Mass Calculator • Ionic Compound Builder • General Chemistry Naming Tool • Equation Balancer • Stoichiometry Solver • Solution Concentration Calculator • Integrated Rate Law Calculator • Scientific Calculator • Quadratic Equation Solver Unlock individual tools for $0.99 each—or get everything in the full GenChem Helper for just $9.99.

Screenshots

Bayswater4 screens
DrPhos' pH Calculator3 screens

Verdict

The call

The clearest difference is price: Bayswater at Free against DrPhos' pH Calculator's $0.99. Bayswater also leads on in-app purchases (none vs 10) and iOS requirement (15.0 vs 17.2). DrPhos' pH Calculator's advantage is update cadence (every 10 days vs every 3 weeks). On ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Bayswater is free to download; DrPhos' pH Calculator costs $0.99 up front. DrPhos' pH Calculator sells 10 one-off in-app purchases. Bayswater asks for nothing beyond the download.

UpkeepUpdate frequency

Bayswater ships an update every 3 weeks, DrPhos' pH Calculator every 10 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 5 level
Bayswater versus DrPhos' pH Calculator: the parameters behind the verdict, then further details
ParameterBayswaterDrPhos' pH Calculator
PriceFree — better$0.99
Rating—3.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 3 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.2
Further details — not scored
Size13 MB15 MB
Age rating4+4+
DeveloperBayswater College LimitedMonte L Helm

In-app purchases

None

Bayswater

No in-app purchases

10 purchases

DrPhos' pH Calculator

One-time10
  • Science Calculator$0.99
  • Quadratic Equation Solver$0.99
  • Significant Figures Calculator$0.99
Show 7 more
  • Stoichiometry$0.99
  • pH Calculator$0.99
  • Ionic Compound Builder$0.99
  • General Chemistry Naming$0.99
  • Solution Concentrations$0.99
  • Reaction Balancer$0.99
  • Kinetics Calculator$0.99

Questions

Is Bayswater free?
Bayswater is free to download, with no in-app purchases.
Is DrPhos' pH Calculator free?
DrPhos' pH Calculator costs $0.99, and also offers in-app purchases.
Do Bayswater or DrPhos' pH Calculator have ads?
Neither Bayswater nor DrPhos' pH Calculator shows ads.
Which is updated more often, Bayswater or DrPhos' pH Calculator?
Bayswater ships an update every 3 weeks, and DrPhos' pH Calculator every 10 days. Most recently, Bayswater was updated on November 3, 2026 and DrPhos' pH Calculator on November 4, 2026.

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