# Organic Chemistry Practice vs Introductory Statistics Tutor

The clearest difference is iOS requirement: Organic Chemistry Practice at 13.0 against Introductory Statistics Tutor's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Organic Chemistry Practice sells 1 in-app purchase, starting at $2.49 per month and Introductory Statistics Tutor sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Organic Chemistry Practice ships an update monthly, Introductory Statistics Tutor every 3 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Organic Chemistry Practice | Introductory Statistics Tutor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/organic-chemistry-practice/id6756589424/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 22 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ben DeVries](https://appshunter.io/developer/1796909535) | [David Soulsby](https://appshunter.io/developer/1776367161) |

## What reviewers say

### Organic Chemistry Practice

[App page](https://appshunter.io/ios/app/organic-chemistry-practice/id6756589424)

Master organic chemistry with interactive exercises covering over 200 reactions. Practice completing mechanisms, drawing products, and identifying reactants. This app offers a fun and engaging way to learn complex chemical concepts.

**Highlights:** Interactive exercises, Library of over 200 reactions, Complete reaction mechanisms, Draw reaction products, Guess reactants

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Account | $2.49 | per month |


### Introductory Statistics Tutor

[App page](https://appshunter.io/ios/app/introductory-statistics-tutor/id6815790980)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

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


## Frequently asked questions

### Is Organic Chemistry Practice free?

Organic Chemistry Practice is free to download, with in-app purchases available.

### Is Introductory Statistics Tutor free?

Introductory Statistics Tutor is free to download, with in-app purchases available.

### Do Organic Chemistry Practice or Introductory Statistics Tutor have ads?

Neither Organic Chemistry Practice nor Introductory Statistics Tutor shows ads.

### Which is updated more often, Organic Chemistry Practice or Introductory Statistics Tutor?

Organic Chemistry Practice ships an update monthly, and Introductory Statistics Tutor every 3 weeks. Most recently, Organic Chemistry Practice was updated on October 30, 2026 and Introductory Statistics 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.*