# Chain Calculator vs Periodic table tool

The clearest difference is iOS requirement: Chain Calculator at 13.0 against Periodic table tool's 16.0. 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 | Chain Calculator | Periodic table tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Size | 18 MB | 13 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [seongkuk park](https://appshunter.io/developer/1895828986) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### Chain Calculator

[App page](https://appshunter.io/ios/app/chain-calculator/id6764549705)

**In-app purchases:** none


### Periodic table tool

[App page](https://appshunter.io/ios/app/periodic-table-tool/id6764566398)

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

**In-app purchases:** none


## Frequently asked questions

### Is Chain Calculator free?

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

### Is Periodic table tool free?

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

### Do Chain Calculator or Periodic table tool have ads?

Neither Chain Calculator nor Periodic table tool 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.*