# Smart Construction Quick3D vs Zero Carbon Navi

The clearest difference is iOS requirement: Zero Carbon Navi at 13.0 against Smart Construction Quick3D's 15.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smart Construction Quick3D ships an update every 3 weeks, Zero Carbon Navi fortnightly. Both last shipped on October 10, 2026.

## The numbers

| Metric | Smart Construction Quick3D | Zero Carbon Navi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 39 MB | 84 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [EARTHBRAIN Ltd.](https://appshunter.io/developer/1392320623) | [NextDrive Co.](https://appshunter.io/developer/1005329987) |

## What reviewers say

### Smart Construction Quick3D

[App page](https://appshunter.io/ios/app/smart-construction-quick3d/id1627645913)

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

**In-app purchases:** none


### Zero Carbon Navi

[App page](https://appshunter.io/ios/app/zero-carbon-navi/id6475660584)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Construction Quick3D free?

Smart Construction Quick3D is free to download, with no in-app purchases.

### Is Zero Carbon Navi free?

Zero Carbon Navi is free to download, with no in-app purchases.

### Do Smart Construction Quick3D or Zero Carbon Navi have ads?

Neither Smart Construction Quick3D nor Zero Carbon Navi shows ads.

### Which is updated more often, Smart Construction Quick3D or Zero Carbon Navi?

Smart Construction Quick3D ships an update every 3 weeks, and Zero Carbon Navi fortnightly. Most recently, Smart Construction Quick3D was updated on October 10, 2026 and Zero Carbon Navi on October 10, 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.*