# Periodic vs Periodic Table of Elements+

The clearest difference is update cadence: Periodic at every 5 weeks against Periodic Table of Elements+'s every 7 months. 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.

Periodic ships an update every 5 weeks, Periodic Table of Elements+ every 7 months. The most recent releases landed on May 16, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Periodic | Periodic Table of Elements+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (54 ratings)](https://appshunter.io/ios/app/periodic-table-of-elements-plus/id6447423433/reviews)** |
| Number of ratings | — | **54** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | — | Ad-supported |
| Size | 35 MB | 38 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Om Prakash Chapagain](https://appshunter.io/developer/1618620262) | [Sonya Marcarelli](https://appshunter.io/developer/409702204) |

## What reviewers say

### Periodic

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Periodic Table of Elements+

[App page](https://appshunter.io/ios/app/periodic-table-of-elements-plus/id6447423433)

This educational app provides a compact Mendeleev's table with extensive chemical element data. It allows users to create molecular formulas, calculate their mass, and access detailed Wikipedia information for each element. Designed for students and chemistry enthusiasts, it offers VoiceOver accessibility and efficient space utilization.

**Highlights:** Mendeleev's table reference, Molecular formula composer, Molecular mass computation, VoiceOver accessibility, Links to Wikipedia pages, Copyable element information

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Periodic free?

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

### Is Periodic Table of Elements+ free?

Periodic Table of Elements+ is free to download, with no in-app purchases.

### Do Periodic or Periodic Table of Elements+ have ads?

Both Periodic and Periodic Table of Elements+ show ads.

### Which is updated more often, Periodic or Periodic Table of Elements+?

Periodic ships an update every 5 weeks, and Periodic Table of Elements+ every 7 months. Most recently, Periodic was updated on May 16, 2026 and Periodic Table of Elements+ on September 17, 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.*