# Biomolecules vs Organic Reactions Tutor

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.

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.

## The numbers

| Metric | Biomolecules | Organic Reactions Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/biomoleculesfunctional-groups/id6446133302/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/organic-reactions-tutor/id6739188422/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 158 MB | 37 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carolina Biological Supply](https://appshunter.io/developer/413708533) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Biomolecules

[App page](https://appshunter.io/ios/app/biomoleculesfunctional-groups/id6446133302)

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

**In-app purchases:** none


### Organic Reactions Tutor

[App page](https://appshunter.io/ios/app/organic-reactions-tutor/id6739188422)

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:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Categories | $4.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*