# HVACR Learning Network by ESCO vs Visual3D App

HVACR Learning Network by ESCO and Visual3D App are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. HVACR Learning Network by ESCO sells 1 one-off in-app purchase and Visual3D App sells 1 in-app purchase, starting at $12.95 per month. Whichever you choose, the download price is not the number that matters.

HVACR Learning Network by ESCO ships an update every 6 weeks, Visual3D App every 2 months. The most recent releases landed on September 20, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | HVACR Learning Network by ESCO | Visual3D App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 65 MB | 168 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Esco Institute Ltd](https://appshunter.io/developer/1752723314) | [Nauman Innovation Group LLC](https://appshunter.io/developer/1764933586) |

## What reviewers say

### HVACR Learning Network by ESCO

[App page](https://appshunter.io/ios/app/hvacr-learning-network-by-esco/id6504534269)

Access HVACR courses, communities, and resources on the go. Stay updated with industry trends and engage with peers. Ideal for professionals and students preparing for certifications and sharpening technical skills.

**Highlights:** Access enrolled courses and study materials, Stay updated on industry trends, Engage with HVACR professionals, Receive important notifications, Access specialized learning groups

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Low GWP Refrigerant Safety | $39.95 | one-time |


### Visual3D App

[App page](https://appshunter.io/ios/app/visual3d-app/id6670464988)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Single User Package | $12.95 | per month |


## Frequently asked questions

### Is HVACR Learning Network by ESCO free?

HVACR Learning Network by ESCO is free to download, with in-app purchases available.

### Is Visual3D App free?

Visual3D App is free to download, with in-app purchases available.

### Do HVACR Learning Network by ESCO or Visual3D App have ads?

Neither HVACR Learning Network by ESCO nor Visual3D App shows ads.

### Which is updated more often, HVACR Learning Network by ESCO or Visual3D App?

HVACR Learning Network by ESCO ships an update every 6 weeks, and Visual3D App every 2 months. Most recently, HVACR Learning Network by ESCO was updated on September 20, 2026 and Visual3D App on September 11, 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.*