# Structural Formulas Study vs Atolovix

The clearest difference is in-app purchases: Structural Formulas Study at none against Atolovix's 2. Atolovix's advantage is update cadence (every 4 days vs every 5 weeks) and iOS requirement (15.1 vs 18.4). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Atolovix sells 2 in-app purchases, starting at $9.99 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 Structural Formulas Study against 5.0 for Atolovix. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Structural Formulas Study ships an update every 5 weeks, Atolovix every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Structural Formulas Study | Atolovix |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/structural-formulas-study/id6752260162/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/atolovix-science-experiments/id6754952053/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 4 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 65 MB |
| Requires iOS | 18.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jun Yamabe](https://appshunter.io/developer/1732682049) | [Jaleel Williams](https://appshunter.io/developer/1845589924) |

## 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


### Atolovix

[App page](https://appshunter.io/ios/app/atolovix-science-experiments/id6754952053)

This app uses AI to generate safe, hands-on science experiments for children aged 5-17. It provides step-by-step instructions, material lists, safety notes, and comprehension questions to foster STEM learning at home. Parents can track progress and organize experiments into custom learning paths.

**Highlights:** AI-generated science experiments, Step-by-step instructions with visuals, Material lists and safety notes, Progress tracking, Learning paths, Video recording of experiments, Offline access

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atolovix Premium- Monthly | $9.99 | per month |
| Atolovix Premium- Yearly | $95.99 | per year |


## Frequently asked questions

### Is Structural Formulas Study free?

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

### Is Atolovix free?

Atolovix is free to download, with in-app purchases available.

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

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

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

Neither Structural Formulas Study nor Atolovix shows ads.

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

Structural Formulas Study ships an update every 5 weeks, and Atolovix every 4 days. Most recently, Structural Formulas Study was updated on October 24, 2026 and Atolovix 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.*