# DuctSizer

> Ductulator for calculating equivalent round and rectangular duct sizes. (iPhone/iPad app by MULBERRYSOFT COMPANY LIMITED.)

- Source: https://appshunter.io/ios/app/ductsizer/id6467117263 (this page in markdown: same URL + `.md`)
- Developer: [MULBERRYSOFT COMPANY LIMITED](https://appshunter.io/developer/1612779919)
- Category: Utilities, Education
- Price: $4.99
- Age rating: 4+
- Requires: iOS 12.0 · 57 MB
- Languages: English
- Released: 2023-09-21
- Data updated: 2026-06-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ductsizer/id6467117263/reviews.md

## What is DuctSizer?

The Duct Sizer is a productivity app developed by Nopparat Katkhaw. The app is a simplest and quickest ductulator.
Perform quick calculation and accurate results.
Use the finger slide for quick calculations.
Shows equivalent round and rectangular duct sizes.
Compatible with IP and SI units.
We would very much like your feedback! Pleas contacts Facebook page: https://www.facebook.com/UP.Energy4You

## Key features

- Quick duct size calculations
- Accurate results
- Equivalent round and rectangular sizes
- IP and SI unit support
- Finger slide interface

## Recent user reviews (10 of 13)

All indexed reviews: https://appshunter.io/ios/app/ductsizer/id6467117263/reviews.md

### 4/5 — ดี แค่อยากให้พัฒนาต่ออีก จะได้สะดวกกว่านี้ครับ

*2024-11-17, version 1.0.6*

อยากให้พัฒนาต่อ เช่น ทำช่องใส่ค่า air flow ให้ตรงกับ friction loss ได้เลย โดยไม่ต้องเลื่อนปรับจะดีมากๆเลยครับ

*** friction loss ในApp เขียนผิดนะครับ ***

### 4/5 — อยากให้พัฒนา

*2024-07-26, version 1.0.6*

จากการทดลองใช้ แอปสะดวกมากครับ แต่อยากให้พัฒนาส่วนของipad เป็นแบบ“สามารถหมุนตามหน้าจอ“ ได้หน่อย เนื่องจากใช้วางเวลาทำงานจะต้องยกหมุนไปหมุนมา เลยไม่คล่องนิดหน่อย

### 5/5 — จากผู้ใช้จริง

*2023-10-17, version 1.0.4*

เป็นแอพที่ดีมาก ช่วยให้สะดวกขึ้น ไม่ต้องพกเครื่องมือกระดาษให้ยุ่งยาก แอพสามารถใช้ได้ทั้งโทรศัพท์และไอแพด

### 5/5 — DuctSizer

*2023-10-17, version 1.0.4*

It's an easy to use, convenient and multi-unit application.

### 5/5 — ใช้งานง่ายค่ะ

*2023-10-03, version 1.0.4*

สะดวก เปิดโทรศัพท์ก็ใช่ได้ไม่ต้องพกเหมือนแบบกระดาษ

### 5/5 — รีวิว

*2023-10-02, version 1.0.3*

app ดีมากครับ ช่วยในการออกแบบได้เยอะเลย

### 5/5 — Ezysizer

*2023-09-28, version 1.0.2*

แอพดีมากค่ะ good 👍🏻

### 5/5 — แอปดีจริง

*2023-09-28, version 1.0.2*

แอปดีมากครับจากผู้ใช้จริง

### 5/5 — Excellent

*2023-09-28, version 1.0.2*

Very good app.

### 5/5 — คุ้มค่ามาก

*2023-09-28, version 1.0.2*

ดีมากเลย หามานานแล้ว ลืมแบบกระดาษไปเลย

## Frequently asked questions about DuctSizer

### What is DuctSizer used for?

DuctSizer is a utility app designed to quickly and accurately calculate equivalent round and rectangular duct sizes. It simplifies the process for HVAC professionals.

### What units does DuctSizer support?

DuctSizer supports both Imperial (IP) and International System of Units (SI), making it versatile for various regions and projects.

### How does DuctSizer calculate duct sizes?

The app features a simple finger-slide interface for quick calculations, providing immediate results for equivalent duct sizes.

### What devices is DuctSizer compatible with?

DuctSizer is compatible with iPhone, iPad, and iPod devices, offering flexibility for users on the Apple ecosystem.

### How much does DuctSizer cost?

DuctSizer is a paid application, available for a one-time purchase of $4.99.

### When was DuctSizer last updated?

The latest version of DuctSizer was released on November 17, 2023, indicating ongoing support and potential improvements.

### What is the age rating for DuctSizer?

DuctSizer has an age rating of 4+, making it suitable for a wide range of users.

### Does DuctSizer have ads?

No, DuctSizer does not contain advertisements, providing an uninterrupted user experience.

## Version history (last 5 releases)

### 1.0.6 — 2023-11-17

*      *

### 1.0.5 — 2023-11-14

Revise reading scale if rectangular duct

### 1.0.4 — 2023-10-03

Add CMH Unit.

### 1.0.3 — 2023-09-29

Add CMH Unit.

### 1.0.2 — 2023-09-22

Improved the image preview and added a video introducing how to use the app on the app store.

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## More apps by MULBERRYSOFT COMPANY LIMITED

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All apps by MULBERRYSOFT COMPANY LIMITED: https://appshunter.io/developer/1612779919

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*