VerChem: Chemistry Calculator
Periodic Table & Student Tools
$4.99 · Designed for iPad. Not verified for macOS.
Complete chemistry calculator with formula reference, quick tool switching & step-by-step solutions. NIST/IUPAC data, 100% offline. Pay once, use forever.
VerChem is a comprehensive chemistry calculator for students — essential tools in one app, powered by NIST/IUPAC reference data.
- Reaction Workspace — connect balancing, limiting reagents, excess and yield; check answers with unit conversion.
- Explore chemistry through rotatable 3D molecules, titration controls, gas particles and orbital filling; reopen saved problem inputs.
INTERACTIVE TOOLS
- Full Periodic Table — 118 elements with complete properties
- VSEPR Geometry — predict molecular shapes with visual diagrams
- Lewis Structures — electron dot diagrams with formal charges
- Compounds Database — common compounds with hazards & uses
CALCULATORS
- Equation Balancer — auto-balance with reaction type detection
- Stoichiometry — mass, moles, molecules & percent composition
- Solutions & pH — strong/weak acid-base, buffers, visual pH scale
- Gas Laws — ideal, Boyle, Charles, Dalton, Van der Waals & more
- Thermodynamics — Gibbs free energy, equilibrium & reaction analysis
- Chemical Kinetics — rate laws, half-life & Arrhenius equation
- Electrochemistry — cell potential, Nernst equation & electrolysis
- Electron Configuration — orbital box diagrams with filling order
LAB TOOLS
- Titration — curves, equivalence point & Henderson-Hasselbalch
- Nuclear Chemistry — radioactive decay, binding energy & activity
- Solution Preparation — molarity, dilution & mass percent recipes
- Unit Converter — temperature, pressure, mass, volume & more
STUDY & REFERENCE
- Calculator Guides — every calculator explains what it is, how it works, key terms and when to use it, with one-tap Try this example
- Zoomable Diagrams — pinch to magnify the periodic table, molecular geometry, orbital and titration views
- Formula Reference — searchable collection of essential chemistry equations, localized in your language
- Quick Tool Switcher — jump between tools instantly without returning to home
- Copy & Share — export any calculation result with one tap
- Tablet Optimized — responsive layout for tablets
WHY STUDENTS LOVE VERCHEM
- Step-by-step solutions for every calculation
- 100% offline — no internet required, no AI API costs
- NIST/IUPAC reference element data — accurate & reliable
- Dark theme designed for late-night study sessions
- Calculation history — review your work anytime
- Haptic feedback on every interaction
- Multilingual — available in English, Japanese, Korean, Chinese, Spanish, Portuguese, French, German, Indonesian, Russian, Italian, Arabic, Hindi & Thai
BUILT FOR STUDENTS
From high school chemistry to university general chemistry, VerChem covers your core curriculum topics. Pay once, use forever — no subscriptions, no ads, no hidden costs.
DISCLAIMER: VerChem is designed for educational purposes only. Always verify critical calculations with your instructor or official references. Not intended for professional laboratory or industrial use.
Data sources: NIST Atomic Spectra Database, IUPAC 2021 Standard Atomic Weights, CODATA 2018 Physical Constants, CRC Handbook of Chemistry and Physics.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
v3.0 — New Reaction Workspace: balance an equation, find the limiting reagent, excess and yield in one flow. Check your answer against a worked solution. Explore interactive 3D molecules, moving gas particles and titration simulations. Redesigned dark app icon. Corrected compound data and formal-charge diagrams, plus more accurate pH for dilute solutions.
The developer, Jittapol Prukpatarakul, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Jittapol Prukpatarakul
- Size
- 46.3 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 13 more
- English, Arabic, French, German, Hindi, Indonesian, Italian, Japanese, Korean, Portuguese, Russian, Simplified Chinese, Spanish, Thai
- Age Rating
4+
- 4+
- Copyright
- © 2026 AI Visibility Rights
