Comparison

WebMO Molecule Editor vs Duke Catholic

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

Head to head
About

WebMO Molecule Editor

Create and explore 3D molecular structures, visualize chemical properties, and access extensive chemical databases. This tool is ideal for students and educators needing on-the-go access to molecular information and computational chemistry resources.

Highlights
  • 3D molecular editor
  • Structure optimization
  • Orbital and symmetry visualization
  • Chemical database lookup
  • Spectra visualization
  • High-resolution image capture
  • Computational chemistry program integration
Features
Read full description

WebMO allows users to build and view molecules in 3-D, visualize orbitals and symmetry elements, lookup chemical information and properties from external databases, and access state-of-the-art computational chemistry programs. WebMO is recommended for students and faculty in high school, college, and graduate school who desire mobile access to molecular structures, information, and calculations. WebMO capabilities include: - Build molecules by drawing atoms and bonds in a 3-D molecular editor, or by speaking the name (e.g., “aspirin”) - Optimize structures using VSEPR theory or molecular mechanics - View Huckel molecular orbitals, electron density, and electrostatic potential - View molecular vibrations - View point group and symmetry elements of molecules - Lookup basic molecular information, including IUPAC and common names, stoichiometry, molar mass - Lookup chemical data from PubChem and ChemSpider - Lookup experimental and predicted molecular properties from external databases (NIST, Sigma-Aldrich) - Lookup IR, UV-VIS, NMR, and mass spectra from external databases (NIST, SDBS) - Capture high-resolution molecular images - Save and recall molecular structures locally - Export and import structures via email WebMO is also a front-end to WebMO servers (version 14 and higher): - Supports Gaussian, GAMESS, Molpro, MOPAC, NWChem, ORCA, PQS, PSI, Quantum Espresso, VASP, Q-Chem, and Tinker computational chemistry programs - Submit, monitor, and view calculations - View formatted tabular data extracted from output files, as well as raw output - Visualize geometry, partial charges, dipole moment, normal vibrational modes, molecular orbitals, and NMR/IR/UV-VIS spectra

About

Duke Catholic

This app provides resources for Catholic students to deepen their faith and connect with their community. Access Mass, prayer, and service opportunities, and stay informed about campus events through push notifications.

Highlights
  • Mass and prayer resources
  • Small group guide
  • Service opportunities
  • Event updates
  • Push notifications
Read full description

This app is packed with awesome content and resources to help you grow as a Catholic and stay connected with the Catholic community at Duke. With this app you can: - Access resources for the Mass, prayer, Adoration, and more - Use the small group guide - Sign up for opportunities to serve - Keep up with events - Stay up to date with push notifications

Screenshots

WebMO Molecule Editor4 screens
Duke Catholic3 screens

Verdict

The call

The clearest difference is rating: Duke Catholic at 5.0 against WebMO Molecule Editor's 4.0. Duke Catholic also leads on review sentiment (100% vs 60%) and in-app purchases (none vs 2). WebMO Molecule Editor's advantage is ratings volume (40 vs 3). On price, update cadence, ads 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. WebMO Molecule Editor sells 2 one-off in-app purchases. Duke Catholic asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Duke Catholic holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: WebMO Molecule Editor has 40 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 60% of WebMO Molecule Editor's written reviews are positive against 100% of Duke Catholic's.

UpkeepUpdate frequency

WebMO Molecule Editor ships an update every 3 months, Duke Catholic every 2 months. The most recent releases landed on September 3, 2026 and June 1, 2026 respectively.

Scorecard5 real differences · 5 level
WebMO Molecule Editor versus Duke Catholic: the parameters behind the verdict, then further details
ParameterWebMO Molecule EditorDuke Catholic
PriceFreeFree
Rating4.0 (40 ratings)5.0 (3 ratings) — better
Positive reviews60.4% of reviews100.0% of reviews — better
Number of ratings40 — better3
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better13.4
Further details — not scored
Size12 MB46 MB
Age rating4+4+
DeveloperWebMO, LLCDiocese of Raleigh

Customer experience

WebMO Molecule Editor

All ratings40 ratings
Positive75.0%
Neutral5.0%
Negative20.0%
Written reviews53 reviews
Positive60.4%
Neutral9.4%
Negative30.2%

Duke Catholic

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

WebMO Molecule Editor

One-time2
  • WebMO Premium for paid usersFree
  • WebMO Premium$4.99
None

Duke Catholic

No in-app purchases

Questions

Is WebMO Molecule Editor free?
WebMO Molecule Editor is free to download, with in-app purchases available.
Is Duke Catholic free?
Duke Catholic is free to download, with no in-app purchases.
Which has better reviews, WebMO Molecule Editor or Duke Catholic?
Duke Catholic is rated higher. WebMO Molecule Editor averages 4.0 out of 5 from 40 ratings, while Duke Catholic averages 5.0 from 3 ratings.
Do WebMO Molecule Editor or Duke Catholic have ads?
Neither WebMO Molecule Editor nor Duke Catholic shows ads.
Which is updated more often, WebMO Molecule Editor or Duke Catholic?
WebMO Molecule Editor ships an update every 3 months, and Duke Catholic every 2 months. Most recently, WebMO Molecule Editor was updated on September 3, 2026 and Duke Catholic on June 1, 2026.

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