# Duct Calculator Elite vs Electrical Calculation Tools

The clearest difference is price: Electrical Calculation Tools at $1.99 against Duct Calculator Elite's $9.99. Electrical Calculation Tools also leads on update cadence (every 5 months vs every 15 months) and iOS requirement (13.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Duct Calculator Elite costs $9.99 and Electrical Calculation Tools $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Duct Calculator Elite ships an update every 15 months, Electrical Calculation Tools every 5 months. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Duct Calculator Elite | Electrical Calculation Tools |
| --- | --- | --- |
| Price | $9.99 | **$1.99** |
| Rating | **[4.8 (232 ratings)](https://appshunter.io/ios/app/duct-calculator-elite/id665701601/reviews)** | — |
| Number of ratings | **232** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 months** |
| Monetization | Paid | — |
| Size | 13 MB | 37 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) | [Kantaben Gorasiya](https://appshunter.io/developer/1640260396) |

## 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


### Electrical Calculation Tools

[App page](https://appshunter.io/ios/app/electrical-calculation-tools/id6446797237)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duct Calculator Elite free?

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

### Is Electrical Calculation Tools free?

Electrical Calculation Tools costs $1.99, with no in-app purchases.

### Do Duct Calculator Elite or Electrical Calculation Tools have ads?

Neither Duct Calculator Elite nor Electrical Calculation Tools shows ads.

### Which is updated more often, Duct Calculator Elite or Electrical Calculation Tools?

Duct Calculator Elite ships an update every 15 months, and Electrical Calculation Tools every 5 months. Most recently, Duct Calculator Elite was updated on October 11, 2026 and Electrical Calculation Tools on September 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.*