# Periodic Table AI vs Pi Champ

The clearest difference is in-app purchases: Pi Champ at none against Periodic Table AI's 2. Periodic Table AI's advantage is device support and iOS requirement (15.1 vs 17.0). On price there is nothing between them.

Both are free to download. Periodic Table AI sells 2 in-app purchases, starting at $1.99 per 7 days. Pi Champ asks for nothing beyond the download.

## The numbers

| Metric | Periodic Table AI | Pi Champ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Size | 48 MB | 0 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Jenny Gomez Villar Juarez](https://appshunter.io/developer/1855012892) | [Rootscope Limited](https://appshunter.io/developer/1880350215) |

## What reviewers say

### Periodic Table AI

[App page](https://appshunter.io/ios/app/periodic-table-ai-chemsolver/id6758071241)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly_Premium | $1.99 | per 7 days |
| Yearly_Premium | $29.99 | per year |


### Pi Champ

[App page](https://appshunter.io/ios/app/pi-champ/id6759722282)

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table AI free?

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

### Is Pi Champ free?

Pi Champ 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.*