# Chemify vs Structural Formulas Study

The clearest difference is in-app purchases: Structural Formulas Study at none against Chemify's 7. Structural Formulas Study also leads on ads (none vs shown). Chemify's advantage is ratings volume (4 vs 1) and iOS requirement (15.6 vs 18.4). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Chemify sells 6 in-app purchases, starting at $7.99 per month. Structural Formulas Study asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Chemify against 5.0 for Structural Formulas Study. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Chemify ships an update every 3 weeks, Structural Formulas Study every 5 weeks. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chemify | Structural Formulas Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (4 ratings)](https://appshunter.io/ios/app/chemify-ai-chemistry-helper/id6443752619/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/structural-formulas-study/id6752260162/reviews) |
| Number of ratings | **4** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 87 MB | 5 MB |
| Requires iOS | **15.6** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chemify OU](https://appshunter.io/developer/1649055483) | [Jun Yamabe](https://appshunter.io/developer/1732682049) |

## What reviewers say

### Chemify

[App page](https://appshunter.io/ios/app/chemify-ai-chemistry-helper/id6443752619)

This app simplifies chemistry by generating formulas, naming compounds, and balancing reactions. It offers an AI tutor, interactive tools, and practice quizzes to aid learning for students.

**Highlights:** Formula and IUPAC name generation, Compound property exploration, Reaction balancing, AI-powered chemistry tutor, Interactive periodic table, Practice quiz mode

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $7.99 | per month |
| Premium | $9.99 | per month |
| Premium | $12.99 | per month |
| Premium | $14.99 | per month |
| Premium | $49.99 | per year |
| Premium | $59.99 | per year |


### Structural Formulas Study

[App page](https://appshunter.io/ios/app/structural-formulas-study/id6752260162)

Explore and study over 100 molecular structures with detailed properties and clear diagrams. This app offers quick search and filtering for efficient exam preparation and daily learning, with offline access available.

**Highlights:** 100+ molecular structures, Detailed structural formulas, Essential chemical properties, Quick search and filters, Offline access, Exam preparation tool

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

**In-app purchases:** none


## Frequently asked questions

### Is Chemify free?

Chemify 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.

### Which has better reviews, Chemify or Structural Formulas Study?

Chemify and Structural Formulas Study are both rated 5.0 out of 5 on the App Store, from 4 and 1 ratings respectively.

### Do Chemify or Structural Formulas Study have ads?

Chemify shows ads; Structural Formulas Study does not.

### Which is updated more often, Chemify or Structural Formulas Study?

Chemify ships an update every 3 weeks, and Structural Formulas Study every 5 weeks. Most recently, Chemify was updated on October 17, 2026 and Structural Formulas Study on October 24, 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.*