# AR Circuits 4D  |  Physics vs NNN Online

The clearest difference is update cadence: NNN Online at daily against AR Circuits 4D  |  Physics's every 3 weeks. AR Circuits 4D  |  Physics's advantage is iOS requirement (7.0 vs 15.0). On price, ads, 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.

AR Circuits 4D  |  Physics ships an update every 3 weeks, NNN Online daily. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AR Circuits 4D  |  Physics | NNN Online |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (10 ratings)](https://appshunter.io/ios/app/ar-circuits-4d-physics/id1281271407/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 158 MB | 53 MB |
| Requires iOS | **7.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Valeriy Danyuk](https://appshunter.io/developer/1262401022) | [Yerbolat Mamen](https://appshunter.io/developer/1490740857) |

## What reviewers say

### AR Circuits 4D  |  Physics

[App page](https://appshunter.io/ios/app/ar-circuits-4d-physics/id1281271407)

Explore and build various circuit boards using augmented reality. This educational game allows children to safely experiment with electrical components and measure voltage and current intensity. It offers a safe and cost-free alternative to hands-on experimentation.

**Highlights:** Augmented reality circuit building, Explore sequential, parallel, and combined boards, Measure voltage and current intensity, Controllable component resistances, Safe and cost-free experimentation

**Features:** macOS Compatibility

**In-app purchases:** none


### NNN Online

[App page](https://appshunter.io/ios/app/nnn-online/id6813012581)

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

**In-app purchases:** none


## Frequently asked questions

### Is AR Circuits 4D  |  Physics free?

AR Circuits 4D  |  Physics is free to download, with no in-app purchases.

### Is NNN Online free?

NNN Online is free to download, with no in-app purchases.

### Do AR Circuits 4D  |  Physics or NNN Online have ads?

Neither AR Circuits 4D  |  Physics nor NNN Online shows ads.

### Which is updated more often, AR Circuits 4D  |  Physics or NNN Online?

AR Circuits 4D  |  Physics ships an update every 3 weeks, and NNN Online daily. Most recently, AR Circuits 4D  |  Physics was updated on October 24, 2026 and NNN Online on October 9, 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.*