# FretTools: Guitar Toolkit — Gear Inventory, Tuner, Chords > Guitar tuning, chord library, and gear tracker for musicians. (iPhone/iPad app by webLuthier, LLC.) - Source: https://appshunter.io/ios/app/frettools-guitar-toolkit/id6761335800 (this page in markdown: same URL + `.md`) - Developer: [webLuthier, LLC](https://appshunter.io/developer/1888969475) - Category: Music, Utilities - Price: Free with in-app purchases - Rating: 5.00/5 from 8 App Store ratings · 3 written reviews indexed - Age rating: +4 - Requires: iOS 16.0 · 66 MB - Languages: European Portuguese, European Spanish, American English, Italian, Swedish - Released: 2026-04-09 - Data updated: 2026-08-18 - Monetization: freemium - User reviews in markdown: https://appshunter.io/ios/app/frettools-guitar-toolkit/id6761335800/reviews.md ## What is FretTools? FretTools Gear Tracker. String Diagnostics. Tuner. Chord Library. GEAR TRACKER Your gear documented and accessible when it matters. • Track guitars, basses, amps, pedals, and more • Store serial numbers, specs, purchase details, values, and notes • Attach photos to each item • Record string changes with brand, model, gauge, and date • Log maintenance, repairs, setups, and modifications • Export a formatted PDF with gear details for insurance or resale STRING DIAGNOSTICS Know what's happening inside your strings, not just what note they're on. FretTools analyzes six harmonics in real time using phase-shift detection — the same moment you'd normally just tune to also tells you whether a string is going dead, sitting out of intonation, or due for a change. • String Health evaluates tuning stability and harmonic agreement • Intonation analysis helps reveal possible setup inconsistencies • Harmonic Lanes for detailed pitch analysis • Save diagnostic history to a selected instrument • Compare readings across the life of the current string set • Start a new session when you log a string change String Diagnostics is a Pro feature. It runs on the same pitch engine as the free tuner below, but it's a separate capability — most tuners tell you a note. None of them tell you your string is dying. String Diagnostics provide guidance and do not replace a full instrument inspection or professional setup. TUNER — FREE. ALWAYS. Responsive, accurate tuning for guitar, bass, ukulele, banjo, mandolin, violin, and more. • Real-time note and cents display • Strobe-inspired ring for clear sharp/flat feedback • Instrument-specific tuning presets CHORD LIBRARY Find chords quickly across multiple guitar tunings, ukulele, and mandolin. • 2,500+ chords with 3,200+ voicings • Clean diagrams with finger positions • Open chords, barre chords, inversions, and alternate voicings • Slash chords with alternate bass notes • Browse by root, chord type, category, or key • Diatonic chords grouped by harmonic function • Play full chord strums • Tap individual notes to hear them in isolation WHY FRETTOOLS • Four practical tools in one app • Works offline • No account required to get started • Clean, focused interface • Built for working musicians and hobbyists alike FREE → PRO The Tuner is unlimited and always free. Upgrade to Pro for: String Diagnostics • String Health and intonation analysis • Harmonic Lanes for detailed pitch analysis • Diagnostic history, saved and compared per instrument Gear • Unlimited gear items • Up to 8 photos per item • Maintenance and string-change tracking • PDF export Chords • Additional voicings and inversions • Slash chords • Full key-based browsing Additional • Removes ads THE BOTTOM LINE Track your gear. Know when your strings need attention. Find the chords you need. Privacy Policy: https://frettools.com/privacy Terms & EULA: https://frettools.com/terms ## Key features - Real-time chromatic tuner for multiple instruments - 2,500+ chords with 3,200+ voicings - Interactive chord playback - Instrument and equipment gear tracking - Maintenance logging and PDF export - Offline functionality ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Yearly Pro | $17.99 | per year | | Monthly Pro | $2.99 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Lifetime Pro | $49.99 | one-time | ## Recent user reviews (3 of 3) All indexed reviews: https://appshunter.io/ios/app/frettools-guitar-toolkit/id6761335800/reviews.md ### 5/5 — Perfect! *2026-07-14* This is the perfect app for tuning my gear. It’s fast and it’s easy. Highly recommend!! ### 5/5 — Best Phone Guitar Tuner & SO much more!! *2026-07-14* If you’re looking for a phone guitar tuner, you’ve found the right one…and so much more! Great guitar chord library, tuner, and gear/inventory tracking! I don’t know if any guitar app doing all this! Get it now! You’ll be happy you did ### 5/5 — Amazing!!! *2026-06-19* Does everything I need it to do and then some! Highly recommend giving it a download to all who play a stringed instrument. ## Frequently asked questions about FretTools ### What instruments can FretTools tune? FretTools can tune guitar, bass, ukulele, banjo, mandolin, and violin. Its responsive tuner is designed for real playing conditions and provides clear sharp/flat indication. ### How many chords are available in FretTools? The app features over 2,500 chords with more than 3,200 voicings. Users can explore multiple tunings, open, barre, and inversions, along with slash chords. ### Can I track my musical gear with FretTools? Yes, FretTools allows you to track guitars, basses, amps, pedals, and more. You can store serial numbers, specs, purchase details, attach photos, and log maintenance history. ### Does FretTools work offline? Yes, FretTools is designed to work offline, including the gear tracker. Optional cloud sync is available for your data. ### What are the Pro features in FretTools? Pro unlocks additional chord voicings and inversions, slash chords, full key-based browsing, unlimited gear items with up to 8 photos each, maintenance tracking, and PDF export. It also removes ads. ### How much does FretTools Pro cost? FretTools Pro is available via subscription, with a monthly plan at $2.99 and a yearly plan at $17.99. The core tuner functionality remains free. ### What is the update frequency for FretTools? The app was last updated on June 21, 2026, indicating active development. Future updates are planned for expanded chord support and tuning improvements. ### Is FretTools suitable for beginners? FretTools is built for working musicians and hobbyists alike, offering a clean and focused interface. Its core tuner and chord library are accessible for beginners, while Pro features cater to more advanced needs. ## Version history (last 5 releases) ### 4.1.9 — 2026-08-06 Reorganized the gear editor: serial number and unique markings now live on the Info tab where you'd expect them. String Diagnostics now analyzes all six harmonics for sharper, more reliable readings, and is now a Pro feature. The Tuner remains free, always. Plus security updates under the hood. ### 4.1.8 — 2026-07-25 This update focuses on a smoother, more accurate tuning experience. • Faster, more confident tuning with improved note lock and re-strike detection • Clearer visual feedback while you tune, including brighter note letters when you're on target • Refined first-time setup so new players get to the tuner faster • Improved translations across all supported languages • Bug fixes and performance improvements Thanks for playing with FretTools. Keep those strings in tune! ### 4.0.0 — 2026-07-19 Upgraded the tuner engine for faster response and smoother, more reliable note tracking. ### 3.9.1 — 2026-07-16 FretTools is now available in Spanish, Italian, Portuguese, and Swedish. ### 3.9.0 — 2026-07-13 1. New strobe tuning wheel - a beautiful, ultra-responsive strobe display. 2. String Health Sliders - Estimates healthy/worn strings and warns if intonation needs further investigation. 3. String change logging - log string brand and gauge details, and keep a history for every instrument. ## Apps similar to FretTools | App | Rating | Price | Category | | --- | --- | --- | --- | | [GuitarKampus](https://appshunter.io/ios/app/guitarkampus/id6743888744) | 1.0 (1) | Free | Music | | [Fretzel](https://appshunter.io/ios/app/fretzel/id6757741831) | — | Free | Music | | [String Ledger](https://appshunter.io/ios/app/string-ledger/id6773358381) | 4.4 (5) | Free | Music | | [FretBoard: Chords & Scales](https://appshunter.io/ios/app/fretboard-chords-and-scales/id6465688825) | 4.3 (4) | Free | Music | | [Cello Tuner & Intonation](https://appshunter.io/ios/app/cello-tuner-and-intonation/id6776719105) | — | Free | Music | | [Tonai – AI Intonation Coach](https://appshunter.io/ios/app/tonai-ai-intonation-coach/id6760185038) | — | Free | Music | --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*