# The Periodic Table HD vs Periodic

The clearest difference is update cadence: Periodic at every 5 weeks against The Periodic Table HD's every 3 months. The Periodic Table HD's advantage is iOS requirement (13.0 vs 15.1). 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 Periodic Table HD ships an update every 3 months, Periodic every 5 weeks. The most recent releases landed on September 8, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | The Periodic Table HD | Periodic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (25 ratings)](https://appshunter.io/ios/app/the-periodic-table-hd/id430707246/reviews)** | — |
| Number of ratings | **25** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Ad-supported | — |
| Size | 6 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [John Rouda](https://appshunter.io/developer/396597129) | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) |

## What reviewers say

### The Periodic Table HD

[App page](https://appshunter.io/ios/app/the-periodic-table-hd/id430707246)

Explore a color-coded periodic table with detailed information on each element. Access data like atomic number, density, and electronic configuration. This educational tool is available for free.

**Highlights:** Color-coded periodic table, Element details (name, density, etc.), Atomic number, Melting point, Electronic configuration, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic

[App page](https://appshunter.io/ios/app/periodic-table-elements/id1628647298)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Periodic Table HD free?

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

### Is Periodic free?

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

### Do The Periodic Table HD or Periodic have ads?

Both The Periodic Table HD and Periodic show ads.

### Which is updated more often, The Periodic Table HD or Periodic?

The Periodic Table HD ships an update every 3 months, and Periodic every 5 weeks. Most recently, The Periodic Table HD was updated on September 8, 2026 and Periodic on May 16, 2026.

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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.*