# Structural Formulas Study vs LearnWithAI

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

Both are free to download. LearnWithAI sells 2 in-app purchases, starting at $2.99 per month. Structural Formulas Study asks for nothing beyond the download.

Structural Formulas Study ships an update every 5 weeks, LearnWithAI every 5 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Structural Formulas Study | LearnWithAI |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 5 MB | 5 MB |
| Requires iOS | 18.4 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Jun Yamabe](https://appshunter.io/developer/1732682049) | [DIEGO ALEJANDRO TRIGOS GOMEZ](https://appshunter.io/developer/6804415199) |

## 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


### LearnWithAI

[App page](https://appshunter.io/ios/app/learnwithai-ai-study-tutor/id6804415197)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Yearly Premium | $25.99 | per year |


## Frequently asked questions

### Is Structural Formulas Study free?

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

### Is LearnWithAI free?

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

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

Neither Structural Formulas Study nor LearnWithAI shows ads.

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

Structural Formulas Study ships an update every 5 weeks, and LearnWithAI every 5 days. Most recently, Structural Formulas Study was updated on November 8, 2026 and LearnWithAI on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*