MachLedger: CNC Tools

Machinist Speeds & Feeds

Only for iPhone

$0.99 · Designed for iPhone. Not verified for macOS.

iPhone

Set, cut and verify with 81 offline CNC calculators, machine-aware setup cards, job records and G-code preflight checks. MachLedger is an offline CNC workspace for machinists, programmers, technicians, students and workshop teams. Calculate milling, turning, drilling, tapping, threading, metrology and production-planning values without an account or internet connection. Build a machine-aware setup card by selecting a machine, cutting tool and work material. Check pasted G-code for common setup risks before moving to machine-specific verification. Key features: • 81 CNC and workshop calculators • Milling, turning, drilling and thread calculations • Speeds, feeds, chip load, RPM and material-removal calculations • ISO fits, tolerance stacks, true position and surface-finish tools • Machine, cutting-tool and material profiles • Offline setup cards with conservative starting values • Static G-code preflight checks for unit mode, coordinate mode, work offsets and machine limits • Offline job board and saved calculations • PDF, CSV and JSON export • Metric and imperial units • TR, EU, US, CN and custom standards profiles • English, Turkish, German and Simplified Chinese • No account, advertising, analytics or cloud storage MachLedger provides calculation and planning assistance. Cutting data must be verified against the cutting-tool manufacturer, work material, machine, workholding and responsible machinist. G-code preflight is not machine simulation.

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The developer, UMIT KAYAN, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    UMIT KAYAN
    Size
    35.7 MB
    Category
    Utilities
    Compatibility
    Requires iOS 16.4 or later.
    • iPhone
      Requires iOS 16.4 or later.
    • Mac
      Requires macOS 12.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Ümit Kayan
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.

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