# SmartGlobe vs HVAC Duct Calculator

The clearest difference is in-app purchases: SmartGlobe at none against HVAC Duct Calculator's 1. SmartGlobe also leads on iOS requirement (13.0 vs 15.0). HVAC Duct Calculator's advantage is device support. On price there is nothing between them.

Both are free to download. HVAC Duct Calculator sells 1 one-off in-app purchase. SmartGlobe asks for nothing beyond the download.

## The numbers

| Metric | SmartGlobe | HVAC Duct Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Size | 64 MB | 8 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Visioprocess](https://appshunter.io/developer/1657926240) | [MEP TASARIM MUHENDISLIK VE MUSAVIRLIK LIMITED SIRKETI](https://appshunter.io/developer/6780602473) |

## What reviewers say

### SmartGlobe

[App page](https://appshunter.io/ios/app/smartglobe/id6444920208)

**In-app purchases:** none


### HVAC Duct Calculator

[App page](https://appshunter.io/ios/app/hvac-duct-calculator/id6780602471)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime VIP | $3.99 | one-time |


## Frequently asked questions

### Is SmartGlobe free?

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

### Is HVAC Duct Calculator free?

HVAC Duct Calculator is free to download, with in-app purchases available.

---

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