# Elementa vs Periodic Table

The clearest difference is in-app purchases: Elementa at none against Periodic Table's 2. Periodic Table's advantage is ads (none vs shown) and iOS requirement (13.0 vs 26.2). On price and device support there is nothing between them.

Both are free to download. Periodic Table sells 2 in-app purchases, starting at $2.99 per 7 days. Elementa asks for nothing beyond the download.

## The numbers

| Metric | Elementa | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Size | 10 MB | 228 MB |
| Requires iOS | 26.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rainbow 123](https://appshunter.io/developer/1827335811) | [hongmei shen](https://appshunter.io/developer/1850608388) |

## What reviewers say

### Elementa

[App page](https://appshunter.io/ios/app/elementa/id6758115158)

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

**In-app purchases:** none


### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-chem-ai/id6759190068)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $2.99 | per 7 days |
| Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is Elementa free?

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

### Is Periodic Table free?

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

### Do Elementa or Periodic Table have ads?

Elementa shows ads; Periodic Table does not.

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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.*