# AI Ductulator vs HVAC Motor Solutions

The clearest difference is price: HVAC Motor Solutions at Free against AI Ductulator's $3.99. HVAC Motor Solutions also leads on update cadence (every 3 weeks vs every 52 months). On rating, ratings volume, ads and in-app purchases there is nothing between them.

HVAC Motor Solutions is free to download; AI Ductulator costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 3.9 for AI Ductulator against 4.0 for HVAC Motor Solutions. Both are backed by a comparable volume of ratings — 9 and 4 respectively.

AI Ductulator ships an update every 52 months, HVAC Motor Solutions every 3 weeks. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | AI Ductulator | HVAC Motor Solutions |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [3.9 (9 ratings)](https://appshunter.io/ios/app/ai-ductulator/id986252467/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/hvac-motor-solutions/id6702011210/reviews)** |
| Number of ratings | **9** | 4 |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 52 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 89 MB | 141 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [pasquale dipaola](https://appshunter.io/developer/986252466) | [Regal Rexnord Corporation](https://appshunter.io/developer/571732561) |

## What reviewers say

### AI Ductulator

[App page](https://appshunter.io/ios/app/ai-ductulator/id986252467)

This application serves as a duct sizing calculator for HVAC professionals and enthusiasts. It provides quick and accurate calculations for duct dimensions based on various parameters.

**Highlights:** Duct sizing calculations, HVAC parameter input, Accurate dimension results, User-friendly interface

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

**In-app purchases:** none


### HVAC Motor Solutions

[App page](https://appshunter.io/ios/app/hvac-motor-solutions/id6702011210)

This app provides HVAC technicians with tools and resources for motor replacement. It includes a cross-reference finder, a 'where to buy' function, and a motor selector. Training materials like video tutorials and installation guides are also available.

**Highlights:** Cross-reference replacement finder, Where to buy function, Motor selector tool, Video installation tutorials, Written installation guides, In-person training scheduling

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AI Ductulator free?

AI Ductulator costs $3.99, with no in-app purchases.

### Is HVAC Motor Solutions free?

HVAC Motor Solutions is free to download, with no in-app purchases.

### Which has better reviews, AI Ductulator or HVAC Motor Solutions?

HVAC Motor Solutions is rated higher. AI Ductulator averages 3.9 out of 5 from 9 ratings, while HVAC Motor Solutions averages 4.0 from 4 ratings.

### Do AI Ductulator or HVAC Motor Solutions have ads?

Neither AI Ductulator nor HVAC Motor Solutions shows ads.

### Which is updated more often, AI Ductulator or HVAC Motor Solutions?

AI Ductulator ships an update every 52 months, and HVAC Motor Solutions every 3 weeks. Most recently, AI Ductulator was updated on November 1, 2026 and HVAC Motor Solutions on October 30, 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.*