Periodic Table: Chemistry 3D
Equations, Molecules & Tools
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Explore the periodic table, balance chemical equations, inspect 3D molecules, and use 26 chemistry tools—all on device.
Chemistry Explorer brings an interactive periodic table, 2D/3D molecules, an equation balancer, and 26 chemistry tools into one focused app for students, teachers, and curious minds.
PERIODIC TABLE, PERFECTED
• All 118 elements in a clean, color-coded layout
• Tap any element for properties, isotopes, spectra, and real-world uses
• Instant search by name, symbol, or atomic number
MOLECULES IN 2D & 3D
• Enter any valid SMILES to generate a structure with RDKit
• Search the curated catalog by molecule name or formula
• Calculate molecular weight, logP, TPSA, and more on device
• Rotate and explore structures in interactive 3D
OFFLINE MOLECULE DATABASE
• Search 500 source-ranked compounds for free
• Chemistry Pro unlocks all 8,000 included compounds
• On iOS 26.4 or later, Pro can download the complete 467,735-compound library through Apple
26 TOOLS FOR CHEMISTRY
• Balance equations; calculate molar mass and stoichiometry; explore pH/pOH, buffers, gas laws, kinetics, equilibrium, solutions, and more
DESIGNED FOR FOCUS
• Chemistry calculations and molecular processing run on device; no account required
• English, Français, 简体中文, 日本語, Español, Deutsch, and Português
• Optimized for iPhone and iPad
Core chemistry and reference tables are included. Chemistry Pro is available as monthly, yearly, or lifetime access and unlocks advanced calculators and live SMILES generation. Paid users of the original app keep Legacy Pro.
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
• Tap the speaker beside any element to hear its name. French users are clearly told that English element names are currently used.
• Hydrogen through neon keep the full experience free; Pro unlocks advanced spectra, isotope browsing, and 3D/cloud models for all 118 elements.
• Pro offers now appear after meaningful use, explain the feature requested, and show complete-database OS requirements before purchase.
• Strengthened source-backed chemical safety data and resolved the identity of (+)-limonene against authoritative records.
The developer, 吉帅 仇, 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
- 吉帅 仇
- Size
- Up to 28.6 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
English and 6 more
- English, French, German, Japanese, Portuguese, Simplified Chinese, Spanish
- Age Rating
13+
- 13+
- Infrequent
Alcohol, Tobacco, Drug Use or References
- In-App Purchases
Yes
- Chemistry Pro Lifetime $4.99
- Chemistry Pro Yearly $2.99
- Chemistry Pro Monthly $0.99
- Copyright
- © 2026 JS