Feature spec
Goal: Send a clear invoice after finishing a job.
- Add a client, line items, a due date, and payment instructions.
- Preview the total before exporting a PDF.
- Keep an editable draft if export fails.
Introducing the Ultimate Guitarist's Companion - Your All-in-One Solution for Mastering the Fretboard:
$19.99 · In-app purchases
Evidence scope: No current overall US chart position is available. Category-chart positions shown in discovery are a separate scope. Revenue is a directional model estimate, not verified earnings.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
Invoice editor: Client at the top, editable line items in the middle, total and preview action at the bottom.
States: Empty draft, validation errors beside each field, exporting, and a retry action that preserves the draft.
Hypothesis: Contractors need faster repeat invoices more than more templates.
First experiment: Test duplicating a previous job with five contractors. Watch where they hesitate before expanding the feature set.
The full kit adds a phased build plan, evidence notes, tool prompts, and implementation guidance. It is a plan for your coding agent, not a finished app.
Usage: Mechanics are fair game; never reuse the original name, branding, assets, or verbatim copy.
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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Guitarist's Reference: map the core Music workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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These are generated suggestions, not verified review quotations. Check current App Store reviews and speak with users before treating a possible gap as a requirement.
Hypothesis 1
Assumption to check: Limited chord diagrams for some less common chords.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inadequate tuner accuracy compared to dedicated apps.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: No offline access to lessons and tutorials.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point may deter users.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Introducing the Ultimate Guitarist's Companion - Your All-in-One Solution for Mastering the Fretboard: - Comprehensive Package: Elevate your guitar journey with an all-encompassing suite of tools and knowledge. Explore Guitar Chords, Chord Progressions, Scales, Triads, Arpeggios, Fretboard Note Mastery, Reverse Chord & Scale Finder, Chord Quizzes, Alternate Tunings, Guitar Tuner, Virtual Guitar and the intricate web of Chord-Scale Relationships. - Guitar Chord Encyclopedia: Unleash the potential of over 3000 commonly used guitar chords. Dive into chord theory and find clarity through easy-reference diagrams. Test your prowess with the Chord Quiz feature – a true test of your skills. - Mastering Guitar Scales: Demystify the realm of guitar scales fearlessly. From the basics to the sublime, our comprehensive scale reference transforms your fretboard knowledge. With 42 scale types spanning major, minor, pentatonic, modes, and more, you'll command all keys with confidence. - Unveiling Chord-Scale Relationships: Say goodbye to chord change anxiety. Our guide deciphers the intricate dance between chords and scales. Elevate your playing by understanding which scales harmonize with each chord, empowering you to navigate complex progressions effortlessly. - Modern Guitarist's Arpeggios: Seamlessly locate any arpeggio, regardless of your reading ability. Presented in intuitive diagram form, this feature benefits both beginners seeking structured guidance and professionals requiring arpeggio references for any musical scenario. - Alternate Tunings Explored: Dive deep into 36 of the most popular alternate tunings, expanding your creative horizons. Whether you're in Standard or Alternate Tuning, access Scales, Arpeggios, and Fretboard Notes effortlessly. Guitar Tuner: Our improved tuning feature now allows you to tune your guitar by ear across a wide range of preset alternate tunings. - Reverse Chord/Scale Finder Tool: Transform your musical ideas into named chords/scales effortlessly. Struggling to name a chord/scale you've crafted? This ingenious tool deciphers your fretboard inputs, revealing the chord/scale's identity. - Virtual Guitar: Immerse yourself in the guitar-playing experience right from your device. Our virtual guitar feature enables you to strum, pluck, and navigate the fretboard with a variety of alternate tunings. Whether you're a seasoned guitarist or a beginner, this feature provides a platform for practice, chord and scale experimentation, and the joy of guitar sounds without requiring a physical instrument. Take hold of virtual strings and let your musical creativity flow. Experience an unparalleled guitar journey, where knowledge meets practice in perfect harmony. Unleash your true potential with our All-in-One Guitarist's Package.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
From the Build Kit assessment.
A reliable timeline needs an agreed scope and a technical check. Ask your agent to estimate the phases in BUILD_PLAN.md after that review.