Fretsmith

Luthier's Bench Reference

$9.99 · Designed for iPad. Not verified for macOS.

Built by a working luthier who got tired of guessing. 623 models verified against the maker. Tension, nut slots, neck angle, tuner. Offline. One purchase. FRETSMITH — THE LUTHIER'S BENCH REFERENCE Built by a working luthier who got tired of guessing. 623 guitar and bass models across 47 brands. Every spec verified against manufacturer documentation, model by model. Where a maker doesn't publish a number, Fretsmith says so instead of making one up. One-time purchase — less than a set of strings. No subscription, no account, no ads. It works offline, in a shop with concrete walls and no signal. WHAT'S INSIDE • Brand Specs — 47 brands, 623 models. Scale lengths, nut widths, fretboard radii, truss-rod tools and access points, saddle-slot dimensions, nut materials, and the model-specific traps that cost you an afternoon. Vintage models included. • Setup Checklists — 12 job-aware checklists in working order: electric, acoustic, bass and classical, plus fret levels, refrets, nut jobs, Floyd Rose and neck resets. • String Tension Calculator — exact plain-steel math and published unit-weight data for wound strings, including phosphor bronze. Any gauge, any tuning, any scale. Balance a set and size total neck pull before you buy the strings. • Nut Slot & Intonation Calculators — file-target slot depth, and the exact saddle-compensation direction and distance. • Measured-Spec Comparison — enter your measured relief, action and nut-slot depths. Each is flagged against the model's published spec and the typical working range, so you know what's off before you pick up a tool. • Acoustic Diagnosis — identifies a neck reset before you file the saddle away chasing it. • Diagnostics — tuning-stability and buzz decision trees, plus a truss-rod quick lookup with direction and tool by brand. • Reference — magnet types and pickup heights, 32 tonewoods with tone tags and CITES status, nut and saddle materials, and an action/relief/nut table across 16 instrument types. • Chromatic Tuner — a native pitch-detection engine with an A=440 reference tone. No clip-on, no second app. • Printable Spec Sheets — hand the customer a professional record of the work and the measurements. FOR PROFESSIONALS Fretsmith is a reference tool for trained luthiers and technicians. The procedures it documents can permanently damage an instrument if performed incorrectly. Always verify on the actual instrument; when in doubt, consult a qualified professional.

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THE TUNER HAS BEEN REBUILT The pitch-detection engine has been rebuilt for accuracy, particularly on low strings. It holds within about a cent on a usable signal, and when it isn't sure it shows nothing rather than a number it can't stand behind. • A proper analog needle dial. The scale is drawn as an arc, so the needle actually points at the value it reads — including at the extremes, where a straight scale would lie. • Placement guidance in the tab. A phone microphone hears the octave above a low string more strongly than the string itself, so where you put the phone matters more than people expect. Near the 12th fret, not across the bench. • A cleaner display: the note, the verdict, and the needle. DATA CORRECTIONS • 13 tonewood hardness and density figures corrected against published reference data. Indian rosewood, laurel and ebony were the significant ones — Indian rosewood had been listed as harder than Brazilian, which is the wrong way round. • Every one of the 623 model spec sources now cites the manufacturer. FIXES • Prefilled customer-spec fields no longer truncate at an inch mark. • Instrument Profiles now read measurement ranges correctly. CLEARER ON SCREEN • Disclaimers consolidated into one wording — short where it is guidance, full where it carries weight. • More room for content: smaller header, less dead space above it. • The string tension explanation is broken into blocks you can actually scan. • Cross-links between tools that were isolated from each other. SMALLER • Dead code and unused fonts removed. The app is lighter, and so is every print job.

The developer, Matthew Read, 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

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

    Seller
    Matthew Read
    Size
    2.1 MB
    Category
    Reference
    Compatibility
    Requires iOS 16.0 or later.
    • iPhone
      Requires iOS 16.0 or later.
    • iPad
      Requires iPadOS 16.0 or later.
    • Mac
      Requires macOS 13.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English
    Age Rating
    4+
    Copyright
    © 2026 Fretsmith