Biomolecules vs Organic Reactions Tutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Learn basic chemistry topics
- Explore biomolecule properties
- Understand biomolecule functions
- Study general chemistry
- Study organic chemistry
- Study biological chemistry
Read full descriptionHide 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.
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.
- 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)
Read full descriptionHide 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
Verdict
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
Both are free to download. Organic Reactions Tutor sells 1 one-off in-app purchase. Biomolecules asks for nothing beyond the download.
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.
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.
| Parameter | Biomolecules | Organic Reactions Tutor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 2 weeks — better | Fortnightly |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 158 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Carolina Biological Supply | David Soulsby |
Customer experience
Biomolecules
Organic Reactions Tutor
In-app purchases
Biomolecules
No in-app purchases
Organic Reactions Tutor
- Unlock All Categories$4.99
Questions
Is Biomolecules free?
Is Organic Reactions Tutor free?
Which has better reviews, Biomolecules or Organic Reactions Tutor?
Do Biomolecules or Organic Reactions Tutor have ads?
Which is updated more often, Biomolecules or Organic Reactions Tutor?
Other comparisons















