# 《大国重器》 vs Structural Formulas Study

The clearest difference is iOS requirement: 《大国重器》 at 11.0 against Structural Formulas Study's 18.4. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | 《大国重器》 | Structural Formulas Study |
| --- | --- | --- |
| 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 |
| Monetization | — | Free |
| Size | 318 MB | 5 MB |
| Requires iOS | **11.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [十一点零五(北京)教育科技有限公司](https://appshunter.io/developer/1370300013) | [Jun Yamabe](https://appshunter.io/developer/1732682049) |

## What reviewers say

### 《大国重器》

[App page](https://appshunter.io/ios/app/id1571859925)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 《大国重器》 free?

《大国重器》 is free to download, with no in-app purchases.

### Is Structural Formulas Study free?

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

### Do 《大国重器》 or Structural Formulas Study have ads?

Neither 《大国重器》 nor Structural Formulas Study shows ads.

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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.*