Comparison

Biomolecules vs Organic Reactions Tutor

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

Head to head
About

Biomolecules

Explore the properties and functions of biomolecules with this educational app. It covers basic chemistry topics essential for understanding biological molecules and their processes. This is part of a series designed for anyone interested in general, organic, and biological chemistry.

Highlights
  • Learn basic chemistry topics
  • Explore biomolecule properties
  • Understand biomolecule functions
  • Study general chemistry
  • Study organic chemistry
  • Study biological chemistry
Read full description

With Biomolecules: Functional groups app you are able to learn basic chemistry topics that can help you in exploring the properties and functions of biomolecules. This app is the part of the Biomolecules app series which is being developed to help anyone interested in learning General, Organic and Biological Chemistry topics related to biomolecules and the processes in which they are involved.

About

Organic Reactions Tutor

Master organic chemistry reactions with a comprehensive library of over 1,300 step-by-step mechanisms and concise notes. Study using flashcards or multiple-choice quizzes, create custom study packs, and track your progress with trophies. Learn offline in over 17 languages.

Highlights
  • 1,300+ curated reactions
  • Step-by-step mechanisms
  • Flashcards and multiple-choice quizzes
  • Custom reaction creation
  • Study packs and progress tracking
  • Offline access
  • Multilingual support (17+ languages)
Features
Read full description

Master organic chemistry reactions with a structured tutor built for Organic Chemistry I and II. Learn how reactants, reagents and conditions lead to products; connect mechanisms with regiochemistry and stereochemistry; then reinforce every topic with guided lessons, mastery checks and targeted practice. Explore 2,164 curated reactions covering the major transformations taught across a two-semester organic chemistry course. START FREE Begin with Alkanes and Free Radical Halogenation at no cost. A single in-app purchase unlocks the complete reaction library and all remaining course content. No subscription. FOLLOW A TWO-SEMESTER COURSE PATH Study Organic Chemistry I and II in a logical sequence instead of memorizing disconnected reactions. Each topic follows three stages: • Understand - Guided lessons explain what changes, why the reaction works, which selectivity rules matter and which common mistakes to avoid. • Master - Complete a focused 10-question mastery check. • Practice - Build fluency with a larger bank of reaction questions. Semester I, Semester II and comprehensive review modules help you connect reaction families and prepare for exams. EXPLORE 2,164 ORGANIC REACTIONS Browse by functional group or reaction family. Review reactants, reagents, products, reaction conditions, selectivity, stereochemistry, mechanism information and detailed reagent notes. STUDY YOUR WAY • Flashcards - Practice reactants, reagents, products or a random mix. • Multiple-choice quizzes - Test reaction recognition and product prediction. • Explore Reactions - Use the library as an offline organic chemistry reference. • Custom drills - Combine functional groups for focused review. • Study packs - Work through curated reaction sets with progressive challenges. • High scores and trophies - Track performance and earn bronze, silver, gold and platinum achievements. CREATE YOUR OWN REACTIONS Add custom reactions and notes to match your course, professor, textbook or problem sets. Build a personal study collection around the chemistry you need most. BUILT FOR SERIOUS STUDY • Guided lessons with progress and mastery tracking • Optimized layouts for iPhone and iPad • Offline access after download • Resume lessons where you left off • Report problems directly from study and lesson screens • One-time Full Access purchase with no subscription Whether you are learning reaction families for the first time, preparing for an organic chemistry exam or reviewing both semesters, Organic Reactions Tutor helps turn memorization into chemical understanding and reliable pattern recognition. Questions, corrections or suggestions? Contact organicappdev@gmail.com.

Screenshots

Biomolecules4 screens
Organic Reactions Tutor4 screens

Verdict

The call

The clearest difference is rating: Organic Reactions Tutor at 5.0 against Biomolecules's 4.0. Organic Reactions Tutor also leads on ads (none vs shown). Biomolecules's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On price, ratings volume, 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. Organic Reactions Tutor sells 1 one-off in-app purchase. Biomolecules asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Organic Reactions Tutor holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Biomolecules ships an update every 2 weeks, Organic Reactions Tutor fortnightly. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

Scorecard5 real differences · 5 level
Biomolecules versus Organic Reactions Tutor: the parameters behind the verdict, then further details
ParameterBiomoleculesOrganic Reactions Tutor
PriceFreeFree
Rating4.0 (1 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings12 — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size158 MB37 MB
Age rating4+4+
DeveloperCarolina Biological SupplyDavid Soulsby

Customer experience

Biomolecules

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Organic Reactions Tutor

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Biomolecules

No in-app purchases

1 purchases

Organic Reactions Tutor

One-time1
  • Unlock All Categories$4.99

Questions

Is Biomolecules free?
Biomolecules is free to download, with no in-app purchases.
Is Organic Reactions Tutor free?
Organic Reactions Tutor is free to download, with in-app purchases available.
Which has better reviews, Biomolecules or Organic Reactions Tutor?
Organic Reactions Tutor is rated higher. Biomolecules averages 4.0 out of 5 from 1 ratings, while Organic Reactions Tutor averages 5.0 from 2 ratings.
Do Biomolecules or Organic Reactions Tutor have ads?
Biomolecules shows ads; Organic Reactions Tutor does not.
Which is updated more often, Biomolecules or Organic Reactions Tutor?
Biomolecules ships an update every 2 weeks, and Organic Reactions Tutor fortnightly. Most recently, Biomolecules was updated on October 12, 2026 and Organic Reactions Tutor on October 25, 2026.

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