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About
Calculate timber and log volumes accurately using various industry-standard methods. This tool supports offline use, unit conversion, batch calculations, and PDF report exports for forestry professionals.
✓Volume calculation (Huber, Smalian, Newton, JAS, Doyle, Scribner)
✓Timber, lumber, firewood measurement
✓Diameter, length, trim input
✓Unit conversion (cm, m, in, ft)
✓Batch calculation
✓PDF report export
✓Offline functionality
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What's New in Kubaj
1.21
July 11, 2026
Bug fixes and improvements.
Subscription plans
Pro Monthly
Unlimited calculations, formulas & PDF.
$6.991 Month
3 Days trialUser reviews
Developer apps
FAQ
What measurement methods does Kubaj offer?
Kubaj supports multiple industry-standard methods including Huber, Smalian, Newton, JAS, Doyle, and Scribner for precise volume calculations.
Can Kubaj be used offline?
Yes, Kubaj is designed to work offline, making it ideal for use in the field without an internet connection.
What are the subscription options for Kubaj?
Kubaj offers Pro Weekly at $2.99 with a 3-day free trial, Pro Monthly at $6.99 with a 3-day free trial, and Pro Annual at $29.99 with a 7-day free trial.
How do I cancel my Kubaj subscription?
You can manage or cancel your subscription and free trial in your device's Settings > Apple ID after purchase. Auto-renewal can be turned off at least 24 hours before the current period ends.
What is the age rating for Kubaj?
Kubaj has an age rating of 4+, making it suitable for a wide range of users.
Does Kubaj have ads?
No, the app promises 'No ads' as part of its privacy promise and is ad-free for subscribers.
On which devices can Kubaj be used?
Kubaj is built natively for iOS and is supported on iPhone and iPad devices.
How often is Kubaj updated?
The latest version, 1.20, was last updated on April 30, 2026, indicating a commitment to regular updates and improvements.