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Offline apps a working tradesperson actually uses - on a phone, in the field, with no signal. Machinist speeds & feeds, flat-pattern DXF and G-code, plus NEC electrical, welding, and construction. Free on the App Store and Google Play.
Available worldwide · 175 App Store territories · Built in Texas
Speeds & feeds, sheet-metal flat patterns, and full multi-op G-code — the shop-floor trio.
For machinists & shop floor
Speeds and feeds formulas (SFM, RPM, IPM) - free web reference, same math as the app.
For fabricators & sheet-metal
For machinists - G-code on your phone
NEC electrical, welding, and construction math — same offline, no-ads, no-account build.
For welders & fabricators
For electricians (NEC-grade)
For DIYers & weekend builders - the DIY bible
Every app in the family follows the same rules. Pro Unlock comes three ways - monthly, yearly (best value), or lifetime once. Buy lifetime once and every future Pro tool is included.
Stuck on a calculator. Found an edge case the app didn't handle. Want a fifth calc app for a trade we don't cover yet. Tell us - same small team that builds these, support included.