FastenIQ

FastenIQ is a professional fastening toolkit designed for engineers, mechanics, and serious DIY users who need accuracy, reliability, and clarity.

Measure bolt rotation precisely using your iPhone’s motion sensors, record torque-angle tightening events, and calculate dependable torque values based on material and surface conditions — all in one focused, workshop-ready app.

Key Features

• Torque-Angle Measurement
Measure angular rotation accurately during tightening using live motion tracking and a clear dial interface.

• Fastener Log
Save, review, and edit tightening events with angles, notes, and timestamps for traceability and repeatability.

• Torque Calculator
Calculate recommended tightening torque based on bolt size, material, lubrication, and engagement conditions.

• Unit Converter
Convert torque, force, and angle units instantly without leaving the app.

• Professional Workflow
Designed for real-world use — clear visuals, large controls, and reliable results whether you’re in a workshop or on site.

FastenIQ is built to be practical, transparent, and dependable — a digital tool that behaves like a proper mechanical instrument, not a gimmick.

No accounts. No ads. A single one-time purchase unlocks the full professional toolset.