Don’t install worthless
Response from developer
Thank you for your feedback! We understand your concerns, but we'd like to clarify that DuctLab offers a **7-day free trial with no charge during the trial period**. You can explore all the Pro features for a full week before paying anything. If the app doesn't meet your needs, simply cancel the subscription before the trial ends, and you won't be charged. If you find it useful and decide to continue, the subscription fee will apply after the trial period. Our goal is to give everyone enough time to evaluate the app without any upfront cost. We appreciate your feedback and hope you'll give DuctLab a try!
Very Helpful HVEC Tool
Response from developer
Thank you so much for the great review! We’re glad DuctLab is helping you speed up HVAC duct calculations and layout planning. We’ll continue improving the tools to make ductwork design and field planning even faster and easier.
Simple and Practical
Response from developer
Thank you for your support! We’re really happy to hear that DuctLab is easy to use and that the PDF export is useful for your job sites. We’ll keep improving the HVAC duct layout and reporting experience for real-world projects. 👍
Great for Duct Layouts
Response from developer
Thanks for the 5-star review! It’s great to know DuctLab is helping with ductwork planning and quick measurements. Our goal is to make HVAC duct layout, calculations, and project documentation as simple and practical as possible.






