Comparison

ChemyLab vs MolViewApp

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

Head to head
About

ChemyLab

Features
Read full description

Step into the ultimate interactive chemistry playground! Chemy: The Visual Laboratory bridges the gap between abstract chemical symbols and tangible physical properties. Designed to build deep visual intuition, Chemy provides a state-of-the-art interactive periodic laboratory for students, educators, and science enthusiasts. Whether you want to visualize atomic structure, simulate thermodynamic states of matter, hear the sounds of light spectra, or build molecules in an interactive sandbox, Chemy brings the microscopic universe to life with premium visuals and responsive simulation mechanics. *** CORE INTERACTIVE MODULES & FEATURES *** INTERACTIVE PERIODIC TABLE (ATLAS) Explore the elements through an immersive, responsive catalog: • Dynamic Grid Layouts: Switch seamlessly between the Classic Periodic Table and the mathematically curved Curled-Ribbon Periodic Grid. • 3D Voxel Blocks: Toggle 3D voxel representations of elements, rendered with custom isometric projections. • Interactive Highlights: Color-code and filter the grid by Cosmic Nucleosynthesis Origin (Big Bang, massive stars, supernovae) or Chemical Families (Noble Gases, Alkali Metals, Halogens, etc.). • Deep Element Inspector: Dive into any element to inspect its scientific details: Bohr Card: Interactive Bohr model visualizer showing concentric electron shells and atomic properties. Electron Apartments: Maps complex quantum orbital configurations (s, p, d, f) to an intuitive apartment room layout filling dynamically based on Hund's Rule and the Aufbau principle. Quantum Forces: Visualize atomic grip forces (ionization energy and electronegativity) with dynamic vector lines. Spectral Signatures: View high-fidelity absorption and emission spectra. Auditory Spectra Synth: Synthesizes emission wavelengths into audible acoustic sine-wave frequencies. Listen to the unique sound of each element! REACTIONS CENTER & SANDBOX Experiment, balance, and build in an open-ended molecular lab: • Reaction Sandbox: A drag-and-drop chamber where atoms float freely. Collide elements to form covalent or ionic binary compounds (like H2O or NaCl) based on electronegativity delta, valency hook counts, and temperature. • Equation Balancer: Input chemical equations using a specialized Periodic Element Keyboard to calculate and balance stoichiometric coefficients instantly. • Molecular Structure Generator: Procedurally generate and inspect molecular stick-and-ball covalent bond structural diagrams. CHAMBER STATE SIMULATOR (SOLID, LIQUID, GAS) Understand how temperature affects atomic motion: • Global Thermal Controller: Simulate temperatures from absolute zero (0 K) up to 6000 K (the surface of the Sun) with key milestones like boiling and melting points. • Atomic Motion Physics Canvas: Watch a dynamic particle engine simulate atomic behavior. See solids locked in a crystalline lattice, cohesive liquids sliding at the base, and high-velocity gases colliding elastically. DENSITY COMPARER (MASS & VOLUME) Build physical intuition for how elements differ in weight and volume: • Isometric 3D Cube Comparison: Compare the density of two pure elements (e.g., 1 kg of Lead vs. 1 kg of Lithium) in dynamically scaling 3D cubes. • Buoyancy & Balance Simulator: Simulate water displacement and balance scales to visualize weight-to-volume relationships. MEMORIZATION TRAINER & PROGRESS • Gamified Quiz Loops: Master symbols, names, atomic numbers, and families with speed and accuracy feedback loops. • Element Sticker Book: Unlock elements in the sandbox to add glowing, starred stickers to your catalog. • Trophy Badges: Earn beautiful rewards (e.g., "Water Creator", "Metal Monarch").

About

MolViewApp

Explore 3D molecular structures with interactive visualizations. Load PDB files locally or by ID and utilize various display modes and advanced features like electrostatic potential mapping and structural alignment. All processing is done on-device for privacy.

Highlights
  • Load PDB files locally or by ID
  • Multiple structure loading and visibility control
  • Surface electrostatic potential map
  • Structural alignment and superposition
  • Secondary structure coloring
  • Morphing between conformations
Features
Read full description

MolViewApp is an iPad molecular structure viewer built on Mol*. Load PDB files locally or by PDB ID and explore proteins with cartoon, surface, stick, and ball-and-stick representations. Features: - Load multiple structures; per-structure visibility from the Objects panel - Surface electrostatic potential map (screened-Coulomb / APBS-style) - Superposition and sequence-independent structural alignment - Secondary structure (DSSP) coloring - Morphing between conformations - Command-line interface and built-in manual All computation runs on-device. No account, no data collection, no tracking.

Screenshots

ChemyLab4 screens
MolViewApp2 screens

Verdict

The call

The clearest difference is iOS requirement: ChemyLab at 13.0 against MolViewApp's 15.0. On price, ads, in-app purchases 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 9 level
ChemyLab versus MolViewApp: the parameters behind the verdict, then further details
ParameterChemyLabMolViewApp
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequency—Every 2 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size26 MB29 MB
Age rating4+4+
DeveloperCristi CiteaDonghan Lee

In-app purchases

None

ChemyLab

No in-app purchases

None

MolViewApp

No in-app purchases

Questions

Is ChemyLab free?
ChemyLab is free to download, with no in-app purchases.
Is MolViewApp free?
MolViewApp is free to download, with no in-app purchases.
Do ChemyLab or MolViewApp have ads?
Neither ChemyLab nor MolViewApp shows ads.

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