TB Logic
Smart tools for Construction
About
This construction calculator offers essential tools for framers, concrete crews, and GCs. It provides feet-inch-fraction math and a tap-to-reuse running tape. A Pro version unlocks smart formulas, AI chat for jobsite math, and the ability to save and share work.
What's New in TB Logic
1.0.4
July 20, 2026
Bug fix: corrected a case where a negative number could lose its minus sign during a calculation (for example, -0.27 x 1000 now correctly shows -270).
Subscription plans
Tool Belt Logic Pro
Construction calc, smart formulas, and AI chat.
FAQ
What is TB Logic?
TB Logic is a jobsite calculator designed for construction professionals. It offers features like feet-inch-fraction math, a running tape, and advanced smart formulas for various construction tasks.
Is TB Logic free to use?
The basic version of TB Logic is free and includes a construction calculator with feet-inch-fraction math and a tap-to-reuse running tape. Advanced features require a subscription to TB Logic Pro.
What features does TB Logic Pro offer?
TB Logic Pro unlocks smart formulas for tasks like rake walls, arch walls, stairs, and concrete volume. It also includes an AI chat for jobsite math, learning mode tips, and the ability to save and share your work.
How much does TB Logic Pro cost?
TB Logic Pro has two subscription options: $5.99 per month or $65.99 per year. Both plans offer a 3-day free trial.
Does TB Logic have ads?
No, TB Logic does not contain advertisements. The app is free to use with optional in-app purchases for its Pro features.
What devices does TB Logic support?
TB Logic is available on iPhone, iPad, and iPod. It is designed to be compatible with Apple's mobile operating systems.
How often is TB Logic updated?
The latest version of TB Logic is 1.0.3, and it was last updated on July 12, 2026. Updates typically include bug fixes and feature enhancements.
What languages does TB Logic support?
TB Logic is available in both English and Spanish, making it accessible to a wider range of construction professionals.