# Sunja vs Periodic Table

The clearest difference is ads: Periodic Table at none against Sunja's shown. Periodic Table also leads on update cadence (every 4 days vs every 5 months) and iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Sunja sells 2 in-app purchases, starting at $29.99 per month 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.

Sunja ships an update every 5 months, Periodic Table every 4 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Sunja | Periodic Table |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 days** |
| Size | 70 MB | 72 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sunja Labs Private Limited](https://appshunter.io/developer/1774734869) | [Oleg Korunov](https://appshunter.io/developer/6811071409) |

## What reviewers say

### Sunja

[App page](https://appshunter.io/ios/app/sunja-interactive-3d-science/id6760365462)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Learning | $29.99 | per month |
| Annual Learning | $199.99 | per year |


### Periodic Table

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

**Features:** macOS Compatibility, Family Sharing, Vision Pro support, iPhone Duo 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 Sunja free?

Sunja 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 Sunja or Periodic Table have ads?

Sunja shows ads; Periodic Table does not.

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

Sunja ships an update every 5 months, and Periodic Table every 4 days. Most recently, Sunja was updated on November 5, 2026 and Periodic Table on November 7, 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.*