# Nuclides vs Atom Worldbox

The clearest difference is ads: Nuclides at none against Atom Worldbox's shown. Atom Worldbox's advantage is update cadence (every 2 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Nuclides sells 2 in-app purchases, starting at $0.99 per month and Atom Worldbox sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Nuclides ships an update every 2 weeks, Atom Worldbox every 2 days. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Nuclides | Atom Worldbox |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 128 MB | 22 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [建锋 宋](https://appshunter.io/developer/1098794568) | [GEOCO YAZILIM ANONIM SIRKETI](https://appshunter.io/developer/6782131734) |

## What reviewers say

### Nuclides

[App page](https://appshunter.io/ios/app/nuclides/id1098794569)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Subscription · Monthly | $0.99 | per month |
| Premium Subscription · Yearly | $9.99 | per year |


### Atom Worldbox

[App page](https://appshunter.io/ios/app/atom-worldbox/id6782131732)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Atom Worldbox Pro | $1.99 | one-time |


## Frequently asked questions

### Is Nuclides free?

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

### Is Atom Worldbox free?

Atom Worldbox is free to download, with in-app purchases available.

### Do Nuclides or Atom Worldbox have ads?

Atom Worldbox shows ads; Nuclides does not.

### Which is updated more often, Nuclides or Atom Worldbox?

Nuclides ships an update every 2 weeks, and Atom Worldbox every 2 days. Most recently, Nuclides was updated on September 9, 2026 and Atom Worldbox on September 22, 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.*