Duct Calculator is made and published by LetsFab. AppBrain is an independent app data site and isn't affiliated with LetsFab. The app name, icon, screenshots and description belong to LetsFab and are shown as published on Google Play.
AppBrain's verdict
Established- Rating on Google Play
- 2.58
- 79 ratings
- Installs
- 55 thousand
- Last updated
- August 11, 2025
- Ads
- Contains ads
- Size
- 7.23 MB
Duct Calculator has 55 thousand installs. It doesn't have enough ratings yet to judge what users think.
User feedback
Ratings and reviews on Google PlayComments on Duct Calculator for Android
Google Play Rating history and histogram
Store listing
By LetsFab, from Google Play“This App used to Calculate Duct Size, CFM and FPM”
Description by LetsFab Written by the developer, not by AppBrain. Click to read.
This app calculate Both Rectangular and Round Duct Sizes in Inches.
This App is also Calculate Air Flow rate in CFM and this app is also calculate in Air Velocity in FPM.
The application is designed for engineers HVAC working in the field of design and installation of ventilation systems.
Heating, ventilation, and air conditioning (HVAC) engineers and designers will find this tool to be valuable in their everyday design and construction work
Recent changes:
upgraded to higher API/SDK 36 levels.
Reduced App size.
Added input validations for missing fileds.
added invalid input highlighter for input fields.
fix banner add blinking issues.
fix minor bugs/issues.
Safety and technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- 18
- App size
- 7.23 MB
- Needs Android
- 4.4+
- Content rating
- Everyone
Technologies used by Duct Calculator
Releases
Updates seen on Google Play- Version
- 8.0.0
- Launched
- January 2019
Alternatives
Similar apps and more from LetsFabAlternatives to Duct Calculator
More from LetsFab
Installs
Tracked by AppBrain- Last 30 days
- 680
- Per day
- 23
- 30-day average
- Play install range
- 50+ thousand
- Launched
- January 2019
Installs over time
Duct Calculator has been installed 55 thousand times. Over the past 30 days, it averaged 23 installs per day.
Rankings
Google Play top chartsGoogle Play Rankings for Duct Calculator
About the app and developer
About Duct Calculator
Duct Calculator is an education app developed by LetsFab.
How many times has Duct Calculator been installed?
Duct Calculator has been installed 55 thousand times. In the last 30 days, the app was installed 680 times.
What is the rating of Duct Calculator?
Duct Calculator is rated 2.58 out of 5 stars, based on 79 ratings.
Is Duct Calculator free?
Duct Calculator is free. The app size is 7.23 MB. The latest version available is 8.0.0. The last update was on August 11, 2025.
What are the requirements for Duct Calculator?
Duct Calculator requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since January 2019.
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