# ChekDuct vs Static Pressure & Duct Check

ChekDuct and Static Pressure & Duct Check are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | ChekDuct | Static Pressure & Duct Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/static-pressure-and-duct-check/id6786886923/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Fortnightly |
| Monetization | — | Free |
| Size | 187 MB | 33 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mohamed Kharbat](https://appshunter.io/developer/1894953065) | [Mike Watson](https://appshunter.io/developer/1848411021) |

## What reviewers say

### ChekDuct

[App page](https://appshunter.io/ios/app/chekduct/id6768763588)

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

**In-app purchases:** none


### Static Pressure & Duct Check

[App page](https://appshunter.io/ios/app/static-pressure-and-duct-check/id6786886923)

This utility app provides HVAC professionals with tools for duct sizing and field checks based on ACCA Manual D methods. It offers quick calculations for duct size, friction rate, velocity, and static pressure, all while prioritizing user privacy and offline functionality.

**Highlights:** Quick duct sizing (round/rectangular), Duct friction rate and velocity checks, Static pressure calculations, Offline functionality, No account or tracking required, Plausibility checks for inputs

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

**In-app purchases:** none


## Frequently asked questions

### Is ChekDuct free?

ChekDuct is free to download, with no in-app purchases.

### Is Static Pressure & Duct Check free?

Static Pressure & Duct Check is free to download, with no in-app purchases.

### Do ChekDuct or Static Pressure & Duct Check have ads?

Neither ChekDuct nor Static Pressure & Duct Check shows ads.

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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.*