# Periodic Table AR 4D vs Wit Kit Smart

The clearest difference is in-app purchases: Wit Kit Smart at none against Periodic Table AR 4D's 2. Wit Kit Smart also leads on update cadence (every 3 months vs every 46 months). Periodic Table AR 4D's advantage is iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Periodic Table AR 4D sells 2 one-off in-app purchases. Wit Kit Smart asks for nothing beyond the download.

Periodic Table AR 4D ships an update every 46 months, Wit Kit Smart every 3 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Periodic Table AR 4D | Wit Kit Smart |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 46 months | **Every 3 months** |
| Size | 130 MB | 253 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Ibrahim Amer](https://appshunter.io/developer/1054899889) | [Michael Soliman](https://appshunter.io/developer/1530043132) |

## What reviewers say

### Periodic Table AR 4D

[App page](https://appshunter.io/ios/app/periodic-table-ar-4d/id1597165998)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all Arabic section | $5.99 | one-time |
| Unlock all English section | $5.99 | one-time |


### Wit Kit Smart

[App page](https://appshunter.io/ios/app/wit-kit-smart/id6747640854)

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

**In-app purchases:** none


## Frequently asked questions

### Is Periodic Table AR 4D free?

Periodic Table AR 4D is free to download, with in-app purchases available.

### Is Wit Kit Smart free?

Wit Kit Smart is free to download, with no in-app purchases.

### Do Periodic Table AR 4D or Wit Kit Smart have ads?

Neither Periodic Table AR 4D nor Wit Kit Smart shows ads.

### Which is updated more often, Periodic Table AR 4D or Wit Kit Smart?

Periodic Table AR 4D ships an update every 46 months, and Wit Kit Smart every 3 months. Most recently, Periodic Table AR 4D was updated on October 7, 2026 and Wit Kit Smart 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.*