# Structural Formulas Study vs Elements Gallery

The clearest difference is iOS requirement: Structural Formulas Study at 18.4 against Elements Gallery's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Structural Formulas Study ships an update every 5 weeks, Elements Gallery every 2 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Structural Formulas Study | Elements Gallery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/structural-formulas-study/id6752260162/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 5 MB | 11 MB |
| Requires iOS | **18.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jun Yamabe](https://appshunter.io/developer/1732682049) | [Naoki Chiba](https://appshunter.io/developer/1895372512) |

## What reviewers say

### 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


### Elements Gallery

[App page](https://appshunter.io/ios/app/elements-gallery/id6788288488)

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

**In-app purchases:** none


## Frequently asked questions

### Is Structural Formulas Study free?

Structural Formulas Study is free to download, with no in-app purchases.

### Is Elements Gallery free?

Elements Gallery is free to download, with no in-app purchases.

### Do Structural Formulas Study or Elements Gallery have ads?

Neither Structural Formulas Study nor Elements Gallery shows ads.

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

Structural Formulas Study ships an update every 5 weeks, and Elements Gallery every 2 months. Most recently, Structural Formulas Study was updated on October 12, 2026 and Elements Gallery on October 2, 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.*