Comparison

Molecular Constructor vs Learn Organic Nomenclature

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

Head to head
About

Molecular Constructor

Create and optimize 3D molecular models. This free software allows users to design molecules and refine their geometry simultaneously. A more advanced desktop version is also available.

Highlights
  • Build molecules in 3D
  • Design molecular structures
  • Optimize geometry
  • Free software
  • Desktop version available
Features
Read full description

Molecular Constructor is a free 3D modeling software for building molecules. Using this application user can design a molecule and optimize its geometry at the same time. The more advanced desktop version can be found at the project website: http://molconstr.com/

About

Learn Organic Nomenclature

Learn the nomenclature of organic molecules through interactive levels and creative building. This app offers tutorials and challenges to help you master naming and drawing organic compounds.

Highlights
  • Interactive naming and drawing exercises
  • Over 70 levels for various organic compounds
  • Creative mode to build and name molecules
  • Colorful markings for molecule parts
  • Option to hide names for self-challenge
Features
Read full description

Master organic chemistry nomenclature through interactive lessons, molecule-building exercises, challenges, and practice tests. Learn IUPAC naming step by step with over 70 levels designed for high school chemistry, AP Chemistry, and introductory organic chemistry students. Instead of memorizing rules, you'll actively build, analyze, and name molecules yourself in an interactive chemistry training. FEATURES Interactive tutorials that teach nomenclature from the ground up, with a organic chemistry quiz! Over 70 levels covering the organic chemistry nomenclature of hydrocarbons: • Alkanes • Alkenes • Alkynes • Alcohols • Aldehydes • Ketones Learn in both directions: • Match molecules to names • Match names to molecular structures • Draw molecules from given names • Name molecules you create yourself Chemistry tutorials: In levels that introduce new o chem concepts, there are chemistry tutorials explaining you exactly how to master the level. Creative Mode: Build your own organic molecules and let the app generate the correct IUPAC name instantly. Perfect for experimenting, checking homework, or exploring nomenclature rules. Practice Tests: Challenge yourself with tests that help you check your progress and identify topics that need more practice. Visual learning aids: Color-coded highlights show which parts of a molecule correspond to specific parts of its IUPAC name. Use the molecule builder to create a molecule, then see how it is named! Hide names and for chemistry challenges and for additional organic chemistry practice. Planetary Nomenclature Neptune is designed to make learning organic chemistry more engaging, intuitive, and interactive than traditional memorization methods. Additional supported structures include halogen alkanes and carboxylic acids. Ring structures are not currently supported. Whether you're preparing for AP Chemistry, studying organic chemistry (ochem) at school for exam prep or doing university chemistry, or you are simply interested in learning chemical nomenclature, this app provides a practical and interactive way to master IUPAC naming. It's a fun learning game!

Screenshots

Molecular Constructor3 screens
Learn Organic Nomenclature4 screens

Verdict

The call

The clearest difference is in-app purchases: Molecular Constructor at none against Learn Organic Nomenclature's 3. Molecular Constructor also leads on ratings volume (65 vs 7) and iOS requirement (12.0 vs 15.0). Learn Organic Nomenclature's advantage is update cadence (fortnightly vs every 12 months) and rating (4.3 vs 4.0). On price, review sentiment, 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. Learn Organic Nomenclature sells 3 one-off in-app purchases. Molecular Constructor asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Learn Organic Nomenclature holds the better App Store score, 4.3 against 4.0. That said, the two scores are not equally well evidenced: Molecular Constructor has 65 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 76% of Molecular Constructor's written reviews are positive against 77% of Learn Organic Nomenclature's.

UpkeepUpdate frequency

Molecular Constructor ships an update every 12 months, Learn Organic Nomenclature fortnightly. Both last shipped on November 3, 2026.

Scorecard6 real differences · 4 level
Molecular Constructor versus Learn Organic Nomenclature: the parameters behind the verdict, then further details
ParameterMolecular ConstructorLearn Organic Nomenclature
PriceFreeFree
Rating4.0 (65 ratings)4.3 (7 ratings) — better
Positive reviews75.8% of reviews77.3% of reviews — better
Number of ratings65 — better7
Update frequencyEvery 12 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size10 MB50 MB
Age rating4+4+
DeveloperAlexander TeplukhinPaul Schwind

Customer experience

Molecular Constructor

All ratings52 ratings
Positive73.1%
Neutral7.7%
Negative19.2%
Written reviews62 reviews
Positive75.8%
Neutral14.5%
Negative9.7%

Learn Organic Nomenclature

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews22 reviews
Positive77.3%
Neutral9.1%
Negative13.6%

In-app purchases

None

Molecular Constructor

No in-app purchases

3 purchases

Learn Organic Nomenclature

One-time3
  • Premium$3.99
  • Premium Class of Size 20$24.99
  • Premium Class of Size 40$39.99

Questions

Is Molecular Constructor free?
Molecular Constructor is free to download, with no in-app purchases.
Is Learn Organic Nomenclature free?
Learn Organic Nomenclature is free to download, with in-app purchases available.
Which has better reviews, Molecular Constructor or Learn Organic Nomenclature?
Learn Organic Nomenclature is rated higher. Molecular Constructor averages 4.0 out of 5 from 65 ratings, while Learn Organic Nomenclature averages 4.3 from 7 ratings.
Do Molecular Constructor or Learn Organic Nomenclature have ads?
Neither Molecular Constructor nor Learn Organic Nomenclature shows ads.
Which is updated more often, Molecular Constructor or Learn Organic Nomenclature?
Molecular Constructor ships an update every 12 months, and Learn Organic Nomenclature fortnightly. Most recently, Molecular Constructor was updated on November 3, 2026 and Learn Organic Nomenclature on November 3, 2026.

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