Comparison

MolecuLens vs Crys

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

Head to head
About

MolecuLens

Explore and learn about over 100 million chemical compounds in interactive 3D. AI-powered features generate guided tours, quizzes, and shareable diagrams to enhance understanding and communication.

Highlights
  • Interactive 2D/3D molecular viewing
  • AI-guided molecular tours and quizzes
  • Search by name, SMILES, formula, or drawing
  • Conformer generation
  • 3D orbital overlays (Pro feature)
  • High-quality diagram generation (Pro feature)
Features
Read full description

Explore molecules in 3D, learn chemistry faster, and generate shareable figures with help from AI. MolecuLens gives you access to 100M+ compounds from PubChem. Search by name, SMILES, formula, or even draw — then explore interactive 2D/3D structures in seconds. VISUALIZE & EXPLORE • Interactive 2D and 3D molecular viewing • Highlight functional groups, rings, and key regions with Lens mode • Native support for transition metal complexes (11 metals, 5+ geometries) • Conformer generation for molecules without existing 3D structures AI-POWERED LEARNING • Generate guided molecular tours with AI narration • Create quizzes grounded in molecular analytics • Turn structures into stories for teaching and communication SEARCH ANY WAY YOU WANT • Common names: "caffeine", "aspirin", "glucose" • SMILES strings: paste any valid structure • Coordination notation: "[Fe(H2O)6]3+" • Chemical formulas and PubChem CIDs BUILT FOR EDUCATION Great for organic chemistry students, biochem learners, educators, and science communicators. Build intuition by interacting with structures — not memorizing them. MolecuLens PRO (Auto-Renewable Subscription) Pro unlocks premium features including: • 3D orbital overlays (HOMO, LUMO, electron density) • Unlimited AI-guided molecular tours • Custom interactive quiz generation • High-quality molecular diagram generation Free trial and pricing • 7-day free trial (where available) • Monthly: $4.99/month • Annual: $24.99/year Payment is charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage or cancel your subscription in Settings → Apple ID → Subscriptions. Privacy Policy: https://www.moleculens.com/privacy-policy Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Crys

This app allows users to view and analyze crystal structures locally on their mobile devices. It supports various file formats and offers tools for inspecting atoms, bonds, and unit cells, with features for generating simulated PXRD patterns and morphology previews.

Highlights
  • Local structure viewing
  • Supports CIF, XYZ, PDB, MOL, SDF, MOL2, RES files
  • Inspect atoms, bonds, unit cells
  • Display styles and scope control
  • Fullscreen and PXRD presentation modes
  • Simulated PXRD pattern generation
  • BFDH morphology preview
Features
Read full description

Crys-CAST brings crystal and molecular structure viewing, geometry analysis, and presentation tools to iPhone and iPad. OPEN AND EXPLORE Open CIF, XYZ, PDB, MOL, SDF, MOL2, and RES files from Files or other apps. Explore asymmetric units, unit cells, and supercells with ball-and-stick, Spacefill, coordination polyhedra, and thermal ellipsoids when suitable displacement data is available. Rotate, zoom, and view structures along crystallographic directions. MEASURE AND ANALYZE Inspect bond lengths, bond angles, and geometric hydrogen-bond candidates, grouped by type with clear symmetry details. Combine selected length, angle, and hydrogen-bond labels directly on the structure. Distinguish coordinate-calculated values from matching CIF-reported geometry, and export compact bond-length and bond-angle tables as TXT or Excel-compatible CSV. Explore simulated powder X-ray diffraction patterns, BFDH morphology, and geometric pore analysis. Display pore space alone or together with the crystal structure. BUILD YOUR COLLECTION Organize structures in My Database. Add files from History or import structure files and ZIP, RAR, or 7z archives into a chosen collection. Name entries, save viewing states, and export collections for reuse. CREATE PRESENTATION MATERIALS Save structure images and record GIF or MP4 animations with resolution and frame-rate presets and custom duration. Use automatic rotation or adjust the view while recording. Animation exports contain the structure viewer without interface controls or sound. MAKE THE VIEW YOUR OWN Use a consistent interface on iPhone and iPad, choose light or dark appearance, and customize backgrounds, unit-cell lines, axes, and scale bars. SCIENTIFIC SCOPE Calculated geometry, hydrogen-bond candidates, pore results, and other analyses depend on the input data and selected settings. They support visualization and interpretation but do not replace structure refinement or experimental validation. Missing hydrogen positions are not inferred. Actual recording frame rate depends on device performance and structure complexity.

Screenshots

MolecuLens4 screens
Crys4 screens

Verdict

The call

The clearest difference is in-app purchases: Crys at none against MolecuLens's 2. Crys also leads on update cadence (every 4 days vs monthly). MolecuLens's advantage is iOS requirement (15.1 vs 17.0). On price, rating, review sentiment and ratings volume 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. MolecuLens sells 2 in-app purchases, starting at $4.99 per month. Crys asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for MolecuLens against 5.0 for Crys. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

MolecuLens ships an update monthly, Crys every 4 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
MolecuLens versus Crys: the parameters behind the verdict, then further details
ParameterMolecuLensCrys
PriceFreeFree
Rating5.0 (3 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings34 — better
Update frequencyMonthlyEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size43 MB8 MB
Age rating4+4+
DeveloperJake Kinchen子铭 叶

Customer experience

MolecuLens

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Crys

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

MolecuLens

Subscriptions2
  • MolecuLens Pro (Monthly)7 Days trial$4.991 Month
  • MolecuLens Pro (Yearly)7 Days trial$24.991 Year
None

Crys

No in-app purchases

Questions

Is MolecuLens free?
MolecuLens is free to download, with in-app purchases available.
Is Crys free?
Crys is free to download, with no in-app purchases.
Which has better reviews, MolecuLens or Crys?
MolecuLens and Crys are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.
Do MolecuLens or Crys have ads?
Neither MolecuLens nor Crys shows ads.
Which is updated more often, MolecuLens or Crys?
MolecuLens ships an update monthly, and Crys every 4 days. Most recently, MolecuLens was updated on October 5, 2026 and Crys on October 7, 2026.

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