# PlanetCrystals Inc vs World Button

The clearest difference is ads: PlanetCrystals Inc at none against World Button's shown. PlanetCrystals Inc also leads on iOS requirement (11.0 vs 15.0). On price, update cadence, 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.

PlanetCrystals Inc ships an update weekly, World Button every 4 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | PlanetCrystals Inc | World Button |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Weekly | **Every 4 days** |
| Size | 121 MB | 220 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Shevtsov](https://appshunter.io/developer/1125503506) | [Celestial Pug LLC](https://appshunter.io/developer/1615114330) |

## What reviewers say

### PlanetCrystals Inc

[App page](https://appshunter.io/ios/app/planetcrystals-inc/id6465685972)

**Features:** macOS Compatibility

**In-app purchases:** none


### World Button

[App page](https://appshunter.io/ios/app/world-button/id6742792580)

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

**In-app purchases:** none


## Frequently asked questions

### Is PlanetCrystals Inc free?

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

### Is World Button free?

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

### Do PlanetCrystals Inc or World Button have ads?

World Button shows ads; PlanetCrystals Inc does not.

### Which is updated more often, PlanetCrystals Inc or World Button?

PlanetCrystals Inc ships an update weekly, and World Button every 4 days. Most recently, PlanetCrystals Inc was updated on October 4, 2026 and World Button on October 6, 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.*