DrPhos' Chemistry Pro
Monte L Helm Education iPhoneiPadiPod touch
DrPhos' Chemistry Pro is a paid Education app for iPhone and iPad by Monte L Helm. Rated 5.0/5 from 6 ratings. Requires iOS 17.2. Updated September 2, 2026.
- Rating
- 5.0
- 6 ratings
- Price
- 4.99 USD
- on the App Store
- Size
- 19 MB
- Age 4+
- Updated
- Sep 2
- 2026 · v4.0.4
Screenshots
About DrPhos' Chemistry Pro
DrPhos' Chemistry Pro brings a practical collection of general chemistry calculators together in one focused app. Balance chemical equations and solve stoichiometry problems. Calculate kinetics and half-lives, solution concentrations, pH and buffers, molar mass, significant figures, quadratic equations, ionic compounds, and chemical names. Included tools: • Reaction Solver with balancing and stoichiometry • Kinetics and half-life calculations • Solution concentration calculations • pH calculations, including buffers • Molar mass and elemental analysis • Scientific calculations and significant figures • Quadratic equations • Ionic compound building and chemical naming Every tool is included with purchase. No account or internet connection is required, and the app works offline. Clear inputs, validation messages, adjustable precision, formatted chemistry notation, and draft persistence help make calculations easier to enter and review. DrPhos' Chemistry Pro is designed for chemistry education and study. It is not a substitute for professional laboratory, medical, or safety guidance. Follow your instructor's conventions and verify critical work independently.
Ratings & reviews
5.0
6 ratings
What’s new
Version 4.0.4 · Updated September 2, 2026
This update improves the Science Calculator by preserving full internal precision across chained and follow-up calculations. Significant-figure settings now affect only the Normal and Scientific Notation displays, so rounded intermediate values cannot change later results.
App privacy
The developer, Monte L Helm, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| DrPhos' Chemistry Pro | 5.0 / 5 (6 ratings) | 4.99 USD | September 2, 2026 | |
| Pocket Chemist | 5.0 / 5 (4) | Free | Feb 18, 2024 | Compare |
| Sine Cosine Tangent PRO | 5.0 / 5 (1) | 1.99 USD | Aug 14, 2026 | Compare |
| Chemical-Equation-Balance | – | Free | Jul 7, 2025 | Compare |
| Grammar Checker AI for English | 4.4 / 5 (55) | Free | Dec 6, 2025 | Compare |
| Multiplication table - Pyfagor | 4.9 / 5 (15) | Free | Mar 25, 2026 | Compare |
| Chemistry Answers-AP Chemistry | 4.6 / 5 (53) | Free | Jan 11, 2024 | Compare |