# Atomo vs Periodic Table

The clearest difference is ads: Periodic Table at none against Atomo's shown. Periodic Table also leads on update cadence (every 3 days vs monthly). Atomo's advantage is iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Atomo sells 1 in-app purchase, starting at $1.99 per year 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.

Atomo ships an update monthly, Periodic Table every 3 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Atomo | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Size | 33 MB | 72 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INHEE KIM18382145061](https://appshunter.io/developer/1807701846) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Atomo

[App page](https://appshunter.io/ios/app/atomo-periodic-table-and-tools/id6759072830)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass (1 Year) | $1.99 | per year |


### 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 Atomo free?

Atomo 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 Atomo or Periodic Table have ads?

Atomo shows ads; Periodic Table does not.

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

Atomo ships an update monthly, and Periodic Table every 3 days. Most recently, Atomo was updated on October 24, 2026 and Periodic Table on October 26, 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.*