# Periodic Table vs Human Cells..

The clearest difference is in-app purchases: Periodic Table at none against Human Cells..'s 2. Periodic Table also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Human Cells.. sells 2 in-app purchases, starting at $1.99 per month. Periodic Table asks for nothing beyond the download.

## The numbers

| Metric | Periodic Table | Human Cells.. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | — | Weekly |
| Size | 44 MB | 174 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fuguo Yu](https://appshunter.io/developer/590513632) | [Olga Ivanova](https://appshunter.io/developer/1733570435) |

## What reviewers say

### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table/id6482981165)

**Features:** macOS Compatibility

**In-app purchases:** none


### Human Cells..

[App page](https://appshunter.io/ios/app/human-cells/id6749825867)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| subscription | $1.99 | per month |
| sponsorship | $1.99 | one-time |


## Frequently asked questions

### Is Periodic Table free?

Periodic Table is free to download, with no in-app purchases.

### Is Human Cells.. free?

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

### Do Periodic Table or Human Cells.. have ads?

Both Periodic Table and Human Cells.. show 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.*