# Visual3D App vs AC  Service Tech LLC

The clearest difference is in-app purchases: AC  Service Tech LLC at none against Visual3D App's 1. AC  Service Tech LLC also leads on update cadence (every 3 weeks vs every 2 months). Visual3D App's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Visual3D App sells 1 in-app purchase, starting at $12.95 per month. AC  Service Tech LLC asks for nothing beyond the download.

Visual3D App ships an update every 2 months, AC  Service Tech LLC every 3 weeks. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Visual3D App | AC  Service Tech LLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (5 ratings)](https://appshunter.io/ios/app/ac-service-tech-llc/id6759368574/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 168 MB | 45 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Nauman Innovation Group LLC](https://appshunter.io/developer/1764933586) | [AC Service Tech, LLC](https://appshunter.io/developer/1878336344) |

## What reviewers say

### 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 |


### AC  Service Tech LLC

[App page](https://appshunter.io/ios/app/ac-service-tech-llc/id6759368574)

This app provides a comprehensive platform for HVAC/R technicians and students to access educational resources. It features training videos, calculators, online courses with certificates, articles, and podcast episodes, all in one convenient location.

**Highlights:** Access online courses with certificates, Watch over 750 training videos, Utilize HVAC/R calculation tools, Read articles and listen to podcasts, Track learning progress, Downloadable training certificates

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

**In-app purchases:** none


## Frequently asked questions

### Is Visual3D App free?

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

### Is AC  Service Tech LLC free?

AC  Service Tech LLC is free to download, with no in-app purchases.

### Do Visual3D App or AC  Service Tech LLC have ads?

AC  Service Tech LLC shows ads; Visual3D App does not.

### Which is updated more often, Visual3D App or AC  Service Tech LLC?

Visual3D App ships an update every 2 months, and AC  Service Tech LLC every 3 weeks. Most recently, Visual3D App was updated on September 30, 2026 and AC  Service Tech LLC on October 14, 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.*