Comparison

Chemical Structures Quiz vs Octahub+

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

Head to head
About

Chemical Structures Quiz

Test your knowledge of organic and biochemical compounds with multiple-choice quizzes. Learn systematic and common names for hydrocarbons, functional groups, and biomolecules. Ideal for high school students studying chemistry.

Highlights
  • Multiple-choice quizzes
  • Learn systematic and common names
  • Covers hydrocarbons, functional groups, biomolecules
  • Offline functionality
  • No advertisements
Features
Read full description

Quickly learn the chemical structures of the most important organic and biochemical compounds, taught in secondary education (high school), by taking the multiple choice quizzes. Systematic name, trivial name (common name), or both are given. Hydrocarbons, functional groups, biomolecules, sugars, nucleobases, vitamins, amino acids. Similar to my other (free) apps. Works offline. No ads.

About

Octahub+

Features
Read full description

Octahub β€” Connect, Learn, and Grow Octahub is your digital hub for all the content your organization shares with you β€” videos, documents, news, and updates, all in one place. Access training materials, follow your learning progress, and stay connected with your community. Whether it’s educational resources, event updates, or exclusive member content, Octahub makes it simple and secure to stay in the loop β€” anytime, anywhere. Key features: β€” Stream and download multimedia content from your organization β€” Access learning paths, certificates, and achievements β€” Receive news and updates instantly β€” Stay connected with your group or community Join your organization’s digital world β€” powered by Octahub.

Screenshots

Chemical Structures Quiz4 screens
Octahub+4 screens

Verdict

The call

The clearest difference is price: Octahub+ at Free against Chemical Structures Quiz's $3.99. Octahub+ also leads on update cadence (weekly vs every 2 months). Chemical Structures Quiz's advantage is iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Octahub+ is free to download; Chemical Structures Quiz costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Chemical Structures Quiz ships an update every 2 months, Octahub+ weekly. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard3 real differences Β· 5 level
Chemical Structures Quiz versus Octahub+: the parameters behind the verdict, then further details
ParameterChemical Structures QuizOctahub+
Price$3.99Free β€” better
Positive reviews50.0% of reviewsβ€”
Update frequencyEvery 2 monthsWeekly β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidβ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 β€” better15.1
Further details β€” not scored
Size12 MB37 MB
Age rating4+4+
DeveloperMarijn DillenOctagonware UG (haftungsbeschrΓ€nkt)

In-app purchases

None

Chemical Structures Quiz

No in-app purchases

None

Octahub+

No in-app purchases

Questions

Is Chemical Structures Quiz free?
Chemical Structures Quiz costs $3.99, with no in-app purchases.
Is Octahub+ free?
Octahub+ is free to download, with no in-app purchases.
Do Chemical Structures Quiz or Octahub+ have ads?
Neither Chemical Structures Quiz nor Octahub+ shows ads.
Which is updated more often, Chemical Structures Quiz or Octahub+?
Chemical Structures Quiz ships an update every 2 months, and Octahub+ weekly. Most recently, Chemical Structures Quiz was updated on November 2, 2026 and Octahub+ on October 30, 2026.

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