Comparison

Organic Reactions Tutor vs Structural Formulas Study

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

Head to head
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.

About

Structural Formulas Study

Features
Read full description

Learn chemistry the easy way. Explore, search, and filter over 100 molecular structures with clear diagrams and essential data — perfect for exam prep or daily study. Features - 100+ molecules - Structural formulas with detailed properties (mass, density, pKa, etc.) - Quick search & category filters - Offline access – no internet required - Ideal for high school & college chemistry students Make chemistry study simple, efficient, and always at your fingertips!

Screenshots

Organic Reactions Tutor4 screens
Structural Formulas Study4 screens

Verdict

The call

The clearest difference is in-app purchases: Structural Formulas Study at none against Organic Reactions Tutor's 1. Organic Reactions Tutor's advantage is update cadence (fortnightly vs every 5 weeks). On price, ads, device support and iOS requirement 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. Structural Formulas Study asks for nothing beyond the download.

UpkeepUpdate frequency

Organic Reactions Tutor ships an update fortnightly, Structural Formulas Study every 5 weeks. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
Organic Reactions Tutor versus Structural Formulas Study: the parameters behind the verdict, then further details
ParameterOrganic Reactions TutorStructural Formulas Study
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better18.4
Further details — not scored
Size37 MB5 MB
Age rating4+4+
DeveloperDavid SoulsbyJun Yamabe

In-app purchases

1 purchases

Organic Reactions Tutor

One-time1
  • Unlock All Categories$1.99
None

Structural Formulas Study

No in-app purchases

Questions

Is Organic Reactions Tutor free?
Organic Reactions Tutor is free to download, with in-app purchases available.
Is Structural Formulas Study free?
Structural Formulas Study is free to download, with no in-app purchases.
Do Organic Reactions Tutor or Structural Formulas Study have ads?
Neither Organic Reactions Tutor nor Structural Formulas Study shows ads.
Which is updated more often, Organic Reactions Tutor or Structural Formulas Study?
Organic Reactions Tutor ships an update fortnightly, and Structural Formulas Study every 5 weeks. Most recently, Organic Reactions Tutor was updated on October 2, 2026 and Structural Formulas Study on September 20, 2026.

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