ToolBelt

ToolBelt is a simple, no-nonsense calculator app built for builders, contractors, carpenters, and serious DIYers. Handle everyday jobsite calculations without opening a browser or carrying multiple apps.

Features include a standard calculator with Feet & Inches mode, material estimators for concrete, paint, tile, drywall, and lumber, stair layout calculations, and quick job notes for dimensions and reminders.

No accounts, no ads, no tracking. Everything stays private and stored only on your device.

Designed for iPhone. Works fully offline.