# Periodic table vs Periodic Table

The clearest difference is update cadence: Periodic Table at every 3 days against Periodic table's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Periodic table sells 3 in-app purchases, starting at $4.49 per 7 days and Periodic Table sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Periodic table ships an update every 2 months, Periodic Table every 3 days. The most recent releases landed on October 11, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Periodic table | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 34 MB | 72 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobin Akhter](https://appshunter.io/developer/1812505286) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Periodic table

[App page](https://appshunter.io/ios/app/periodic-table-chem/id6757834353)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.49 | per 7 days |
| Yearly | $34.99 | per year |
| Lifetime Access | $64.99 | one-time |


### Periodic Table

[App page](https://appshunter.io/ios/app/periodic-table-118-elements/id6811071407)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro — monthly | $1.99 | per month |
| Pro — yearly | $9.99 | per year |
| Periodic Table Pro | $19.99 | one-time |


## Frequently asked questions

### Is Periodic table free?

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

### Is Periodic Table free?

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

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

Neither Periodic table nor Periodic Table shows ads.

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

Periodic table ships an update every 2 months, and Periodic Table every 3 days. Most recently, Periodic table was updated on October 11, 2026 and Periodic Table on October 24, 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.*