# EST vs AirBuilding

The clearest difference is iOS requirement: EST at 13.0 against AirBuilding's 16.6. 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.

EST ships an update every 3 months, AirBuilding every 4 months. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | EST | AirBuilding |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 4 months |
| Size | 7 MB | 4 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EuroICC d.o.o.](https://appshunter.io/developer/1362060463) | [Aurelien Ribon](https://appshunter.io/developer/1737509079) |

## What reviewers say

### EST

[App page](https://appshunter.io/ios/app/est-100/id1441017861)

**Features:** macOS Compatibility

**In-app purchases:** none


### AirBuilding

[App page](https://appshunter.io/ios/app/airbuilding-virtual-remote/id6749208974)

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

**In-app purchases:** none


## Frequently asked questions

### Is EST free?

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

### Is AirBuilding free?

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

### Do EST or AirBuilding have ads?

Neither EST nor AirBuilding shows ads.

### Which is updated more often, EST or AirBuilding?

EST ships an update every 3 months, and AirBuilding every 4 months. Most recently, EST was updated on October 26, 2026 and AirBuilding on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*