# Chemistry Nomenclature Formula vs Structural Formulas Study

The clearest difference is in-app purchases: Structural Formulas Study at none against Chemistry Nomenclature Formula's 10. Structural Formulas Study also leads on ads (none vs shown). Chemistry Nomenclature Formula's advantage is update cadence (every 2 days vs every 5 weeks) and ratings volume (7 vs 1). On price, rating and device support there is nothing between them.

Both are free to download. Chemistry Nomenclature Formula sells 9 in-app purchases, starting at $0.99 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 Chemistry Nomenclature Formula against 5.0 for Structural Formulas Study. That said, the two scores are not equally well evidenced: Chemistry Nomenclature Formula has 7 ratings behind it against 1, so its average is the more settled of the two.

Chemistry Nomenclature Formula ships an update every 2 days, Structural Formulas Study every 5 weeks. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Chemistry Nomenclature Formula | Structural Formulas Study |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/chemistry-nomenclature-formula/id6471999622/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/structural-formulas-study/id6752260162/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 74 MB | 5 MB |
| Requires iOS | **15.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Davis Orellana](https://appshunter.io/developer/1644715205) | [Jun Yamabe](https://appshunter.io/developer/1732682049) |

## What reviewers say

### Chemistry Nomenclature Formula

[App page](https://appshunter.io/ios/app/chemistry-nomenclature-formula/id6471999622)

Master inorganic chemistry with interactive games and a comprehensive database. Practice forming compounds, learn naming conventions, and access detailed information on thousands of substances. Track your progress and compete with others.

**Highlights:** Interactive compound formation game, Learn traditional, Stock, and systematic nomenclature, Step-by-step formulation and naming guides, Search engine for 30,000+ inorganic compounds, Progress tracking with detailed statistics, Practice exercises for formulas and nomenclatures

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry Premium | $0.99 | per month |
| Chemistry Premium Offer | $2.99 | per month |
| Chemistry Premium | $4.99 | per month |
| Chemistry Premium Offer | $4.99 | per year |
| Chemistry Premium Offer | $14.99 | per year |
| Chemistry Premium | $4.99 | one-time |
| Chemistry Premium Offer | $4.99 | one-time |
| Chemistry Premium Offer | $14.99 | one-time |
| Chemistry Premium | $29.99 | one-time |


### 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 Chemistry Nomenclature Formula free?

Chemistry Nomenclature Formula 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, Chemistry Nomenclature Formula or Structural Formulas Study?

Chemistry Nomenclature Formula and Structural Formulas Study are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Chemistry Nomenclature Formula or Structural Formulas Study have ads?

Chemistry Nomenclature Formula shows ads; Structural Formulas Study does not.

### Which is updated more often, Chemistry Nomenclature Formula or Structural Formulas Study?

Chemistry Nomenclature Formula ships an update every 2 days, and Structural Formulas Study every 5 weeks. Most recently, Chemistry Nomenclature Formula was updated on November 4, 2026 and Structural Formulas Study on October 30, 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.*