Best Norbar Apps

Yes — 5 of the top norbar apps we rank are free to download, including Torque Wrench Extension Calc. and Torque Units Calculator.

Torque Wrench Extension Calc. has no ads and has no in-app purchases, according to its App Store listing as of June 2026.

We track 6+ norbar apps on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.

Torque Wrench Extension Calc. calculates the necessary setting for your torque wrench when an extension is used. You input the required fastener torque and the extension length, and it provides the adjusted wrench setting to achieve the correct torque.

The app supports English, French, German, and Spanish. Language selection is available upon the initial launch of the application.