Version history
Duct Calculator Pro
24
ASO score
Text
19/100
Reviews
0/100
Graphic
60/100
Other
0/100
App Rating
1
Votes
1
App Age
6y
Last Update
Nov 26, 2025
iAP
JPY120 - 980
Compare with Category Top Apps
|
Metrics
|
Current App
|
Category Top Average
|
Difference
|
|---|---|---|---|
|
Rating
|
1
|
4.68
|
-79%
|
|
Number of Ratings (Voted)
|
1
|
3.2M
|
-100%
|
|
App Age
|
5y 12m
|
8y 0m
|
-26%
|
|
Price
|
$3
|
$0
|
|
|
In-app Purchases Price
|
$0
|
$68
|
|
|
Update Frequency
|
19d
|
29d
|
-34%
|
|
Title Length
|
19
|
23
|
-17%
|
|
Subtitle Length
|
0
|
28
|
|
|
Description Length
|
1 184
|
3 053
|
-61%
|
|
Number of Screenshots
|
1170
|
1387
|
-16
%
|
|
Size
|
1MB
|
294MB
|
-100
%
|
Category Ranking in United States
7 days
Last 7 days
Last 30 days
Last 90 days
Last 180 days
Last year
| Top | Dec 08, 2025 | Dec 15, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 08, 2025 | Dec 15, 2025 |
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No results were found!
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| Top | Dec 08, 2025 | Dec 15, 2025 |
|---|---|---|
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No results were found!
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| Top | Dec 08, 2025 | Dec 15, 2025 |
|---|---|---|
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No results were found!
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Ranking Keywords in United States
| Keywords | App Rank |
|---|
Analyze this and other apps using Asolytics tools
Text ASO
Title
(
Characters:
19
of 30
)
Duct Calculator Pro
Subtitle
(
Characters:
0
of 30
)
Description
(
Characters:
1184
of 4000
)
Duct Calculator is a simple, fast, and accurate tool designed for HVAC engineers, designers, technicians, and students. This app helps you calculate duct size, airflow velocity (FPM), and airflow rate (CFM) for both rectangular and round ducts with ease.
Whether you are working on Heating, Ventilation, or Air Conditioning projects, this app provides quick calculations without requiring internet access.
Key Features
• No Internet Required – Works completely offline.
• No Irritating Ads – Clean and smooth user experience.
• Fast & Accurate Calculations – Built for HVAC professionals.
• User-Friendly Interface – Simple layout for quick results.
Available Calculators
Duct Size Calculator
Enter airflow rate (CFM) and airflow velocity (FPM) to get recommended rectangular and round duct sizes in inches.
CFM Calculator
Enter duct dimensions (length, width, or diameter in inches) and airflow velocity (FPM) to calculate airflow rate (CFM).
FPM Calculator
Enter duct size and airflow rate (CFM) to calculate airflow velocity (FPM).
Who Should Use This App?
Perfect for:
• HVAC Engineers
• Designers & Fabricators
• Site Technicians
• Students learning HVAC fundamentals}
Read more
Other
Additional Information
| Rating: | |
| Voted: | 1 |
| App Store Link: | |
| Price: | 2.99 $ |
| Website: | - |
| Email: | - |
| Privacy Policy: | |
| Categories: | Productivity, Utilities |
| Size: | - |
| iAP: | 120 - 980 JPY |
| App Age: | 6 years |
| Release Date: | Dec 19, 2019 |
| Last Update: | Nov 26, 2025 |
| Version: | 2.0 |
Version history
2.0
Nov 26, 2025
Upgraded to Higher SDK Levels.
Changes in App Theme.
Changes in App Layouts.
Light and Dark Theme Supported.
Fix Minor Bugs.
Apr 10, 2020
First release
