# Duct Calculator Elite vs AI Ductulator

The clearest difference is rating: Duct Calculator Elite at 4.8 against AI Ductulator's 3.9. Duct Calculator Elite also leads on update cadence (every 15 months vs every 52 months) and ratings volume (234 vs 9). AI Ductulator's advantage is price ($3.99 vs $9.99) and iOS requirement (13.0 vs 15.6). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Duct Calculator Elite costs $9.99 and AI Ductulator $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Duct Calculator Elite holds the better App Store score, 4.8 against 3.9. That said, the two scores are not equally well evidenced: Duct Calculator Elite has 234 ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 50% of Duct Calculator Elite's written reviews are positive against 43% of AI Ductulator's.

Duct Calculator Elite ships an update every 15 months, AI Ductulator every 52 months. Both last shipped on November 6, 2026.

## The numbers

| Metric | Duct Calculator Elite | AI Ductulator |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[4.8 (234 ratings)](https://appshunter.io/ios/app/duct-calculator-elite/id665701601/reviews)** | [3.9 (9 ratings)](https://appshunter.io/ios/app/ai-ductulator/id986252467/reviews) |
| Number of ratings | **234** | 9 |
| Positive reviews | **50.0% of reviews** | 42.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 15 months** | Every 52 months |
| Monetization | Paid | Paid |
| Size | 13 MB | 89 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cyberprodigy LLC](https://appshunter.io/developer/510284906) | [pasquale dipaola](https://appshunter.io/developer/986252466) |

## What reviewers say

### Duct Calculator Elite

[App page](https://appshunter.io/ios/app/duct-calculator-elite/id665701601)

This app simplifies HVAC duct sizing calculations. It computes duct size, velocity, pressure drop, and flow rate with an intuitive interface. Supports various units and duct materials for precise HVAC design.

**Highlights:** Calculate duct size, velocity, pressure drop, flow rate, Duct Size by Airflow mode, Duct Size by Dimension mode, Pressure Drop calculations, Customizable units and duct materials, Uses ASHRAE Handbook friction loss equations

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Duct Calculator Elite free?

Duct Calculator Elite costs $9.99, with no in-app purchases.

### Is AI Ductulator free?

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

### Which has better reviews, Duct Calculator Elite or AI Ductulator?

Duct Calculator Elite is rated higher. Duct Calculator Elite averages 4.8 out of 5 from 234 ratings, while AI Ductulator averages 3.9 from 9 ratings.

### Do Duct Calculator Elite or AI Ductulator have ads?

Neither Duct Calculator Elite nor AI Ductulator shows ads.

### Which is updated more often, Duct Calculator Elite or AI Ductulator?

Duct Calculator Elite ships an update every 15 months, and AI Ductulator every 52 months. Most recently, Duct Calculator Elite was updated on November 6, 2026 and AI Ductulator on November 6, 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.*