Comparison

Periodic Table Quiz vs leARnCHEM

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

Head to head
About

Periodic Table Quiz

Enhance your understanding of chemical elements through interactive quizzes. Choose from various question formats and configurations to test your knowledge of atomic numbers, symbols, and weights for all 118 elements. The app supports multiple languages and offers additional features through an in-app purchase.

Highlights
  • Customizable quizzes
  • Multiple choice questions
  • Text input questions
  • Element identification
  • Name to Atomic Number
  • Atomic Symbol to Name
  • Multi-language support
Features
Read full description

Test and improve your knowledge of the chemical elements with the many customizable quizzes available using the Periodic Table Quiz app. Quizzes are available in three formats: - Find the elements on the periodic table - Multiple choice - Text input Six question and answer configurations are available: - Name to Atomic Number - Name to Atomic Symbol - Name to Atomic Weight - Atomic Number to Name - Atomic Symbol to Name - Atomic Weight to Name The atomic numbers, weights, symbols, and names of all 118 chemical elements can be studied for free using this app. Additional quiz configurations are available with a single in-app purchase that also removes menu ads. The game language can easily be changed in-app to English, French, Spanish, German, Italian, Portuguese, Simplified Chinese, Traditional Chinese, Japanese, Korean, Russian, and Arabic.

About

leARnCHEM

Features
Read full description

leARnCHEM is an augmented reality mobile application for visualizing chemistry molecules and focuses on molecular orbitals and symmetry. View, animate and interact with symmetry elements of over 50 molecules and test your knowledge of symmetry and point groups with our quizzes. Embedded character tables provide symmetry information at the touch of a button. Place the molecules on any surface or use the targets provided on our website to quickly open a molecule of interest. For instructors, embed the targets in your teaching materials to engage and motivate students to learn. Visualize and interact with the molecular orbitals of simple molecules using interactive molecular orbital diagrams. Whether you are a student, teacher or just have an interest in chemistry, this app has everything you need to learn about symmetry and orbitals. Designed for University level chemistry but is free for all to use. Developed by Marc Zambri and Dr. John De Backere at the University of Toronto. ============================================================ The University of Toronto is the distributor of this application but it does not warrant or assume any legal liability or responsibility for the completeness, or usefulness of any information contained in the application or any websites linked from this application.

Screenshots

Periodic Table Quiz4 screens
leARnCHEM4 screens

Verdict

The call

The clearest difference is in-app purchases: leARnCHEM at none against Periodic Table Quiz's 1. leARnCHEM also leads on ads (none vs shown) and iOS requirement (11.0 vs 13.0). On price, update cadence 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. Periodic Table Quiz sells 1 one-off in-app purchase. leARnCHEM asks for nothing beyond the download.

UpkeepUpdate frequency

Periodic Table Quiz ships an update every 9 months, leARnCHEM every 7 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

Scorecard3 real differences · 7 level
Periodic Table Quiz versus leARnCHEM: the parameters behind the verdict, then further details
ParameterPeriodic Table QuizleARnCHEM
PriceFreeFree
Rating4.8 (409 ratings) — better—
Positive reviews91.3% of reviews—
Number of ratings409 — better—
Update frequencyEvery 9 monthsEvery 7 months — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size85 MB437 MB
Age rating4+4+
DeveloperAtlas Educational SoftwareUniversity of Toronto

Bugs and requests

Periodic Table Quiz

Reported bugs

2 issues
  • App crashes when selecting all Actinides
  • Incorrect atomic number displayed for some elements

Requested features

3 requests
  • Add a leaderboard or competition mode
  • Implement audio pronunciation of element names
  • Allow saving/loading favorite quiz configurations

leARnCHEM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Periodic Table Quiz

One-time1
  • Remove Ads$0.99
None

leARnCHEM

No in-app purchases

Questions

Is Periodic Table Quiz free?
Periodic Table Quiz is free to download, with in-app purchases available.
Is leARnCHEM free?
leARnCHEM is free to download, with no in-app purchases.
Do Periodic Table Quiz or leARnCHEM have ads?
Periodic Table Quiz shows ads; leARnCHEM does not.
Which is updated more often, Periodic Table Quiz or leARnCHEM?
Periodic Table Quiz ships an update every 9 months, and leARnCHEM every 7 months. Most recently, Periodic Table Quiz was updated on October 22, 2026 and leARnCHEM on October 20, 2026.

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