Amazing App
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Free
In-App Purchases
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.
✓Feet-inch-fraction math
✓Tap-to-reuse running tape
✓Smart construction formulas
✓AI jobsite math chat
✓Save and share work
✓Bilingual support (English/Spanish)
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What's New in TB Logic
1.0.5
September 18, 2026
What's new in 1.0.5 • PDF Plan Reader — open your plans right in the app and read them full-screen. • Mark up your drawings — scale the plan, measure linear runs and areas, drop counts and notes, and draw freehand or with shapes, in color, with text. • Your account — sign in to keep your plans and markups together across your phone, tablet, and the web. • Faster, steadier plan viewing, plus a long list of fixes.
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Subscriptions & In-App Purchases
Tool Belt Logic Pro
Construction calc, smart formulas, and AI chat.
$5.991 Month
3 Days trialUser reviews
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.
