# Periodic vs Periodic Table Ultra

The clearest difference is in-app purchases: Periodic at none against Periodic Table Ultra's 1. Periodic also leads on update cadence (every 5 weeks vs every 14 months) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Periodic Table Ultra sells 1 one-off in-app purchase. Periodic asks for nothing beyond the download.

Periodic ships an update every 5 weeks, Periodic Table Ultra every 14 months. The most recent releases landed on May 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Periodic | Periodic Table Ultra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Size | 35 MB | 192 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Nguyen Tuan Anh](https://appshunter.io/developer/1668554887) |

## What reviewers say

### Periodic

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic Table Ultra

[App page](https://appshunter.io/ios/app/periodic-table-ultra/id6473072828)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $6.99 | one-time |


## Frequently asked questions

### Is Periodic free?

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

### Is Periodic Table Ultra free?

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

### Do Periodic or Periodic Table Ultra have ads?

Both Periodic and Periodic Table Ultra show ads.

### Which is updated more often, Periodic or Periodic Table Ultra?

Periodic ships an update every 5 weeks, and Periodic Table Ultra every 14 months. Most recently, Periodic was updated on May 16, 2026 and Periodic Table Ultra on September 13, 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.*