# Chlorophyll Role vs Scientific Method

The clearest difference is price: Scientific Method at Free against Chlorophyll Role's $1.99. Chlorophyll Role's advantage is device support. On in-app purchases and iOS requirement there is nothing between them.

Scientific Method is free to download; Chlorophyll Role costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Chlorophyll Role | Scientific Method |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 18 months | — |
| Size | 278 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Science Education Institute](https://appshunter.io/developer/1439710468) |

## What reviewers say

### Chlorophyll Role

[App page](https://appshunter.io/ios/app/chlorophyll-role-edutech-era/id1661411132)

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

**In-app purchases:** none


### Scientific Method

[App page](https://appshunter.io/ios/app/scientific-method/id6504719782)

**In-app purchases:** none


## Frequently asked questions

### Is Chlorophyll Role free?

Chlorophyll Role costs $1.99, with no in-app purchases.

### Is Scientific Method free?

Scientific Method is free to download, with no in-app purchases.

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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.*