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 Guitar Lessons by Guitar Tricks, the best, most fun, and educational way to learn guitar with guided, step-by-step videos
Free · 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 Guitar Lessons - Guitar Tricks: 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 free content availability
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Inconsistent video quality
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of user engagement features
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Difficult navigation in lessons
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 Guitar Lessons by Guitar Tricks, the best, most fun, and educational way to learn guitar with guided, step-by-step videos. Our system is tested and proven to work for beginners and advanced guitar players. Guitar Tricks is designed to empower beginners to play guitar by learning actual hit songs from the very start – not boring drills and exercises. Learn to play guitar from top instructors who guide you through every step with shorter, incremental videos to increase skill rapidly. In a recent survey, members reported learning 50-100% FASTER than with other guitar apps! * Award-Winning: Best Online Guitar Resource and Instructional Material * High Quality Step-by-Step Video Guitar lessons * Over 4 Million Members since 1998 Core Learning System – Perfect for beginners The Core Learning System guides beginner guitarists through a series of short videos that focus on you making music from day one. After you nail the basics, the guided videos branch out so you can learn different styles of guitar like Acoustic, Rock, Country, Blues, and more. The Most Song Lessons Available Guitar Tricks has been teaching people how to play guitar since 1998. We offer over 11,000 lessons, ranging from skill and technique videos to artist and genre studies. We offer hundreds of song tutorials that include massive hit songs from great artists such as: -The Beatles -Ed Sheeran -The Rolling Stones -Pink Floyd -Eagles -Rihanna -Eric Clapton -Many more! High-Quality Tools and Features Along with our world-class instructors, we provide our members with useful tools to speed up the learning process: -Full, precise tabs and notation which are downloadable -Scale finder -Chord finder -Reference tuner -Fretboard trainer -Progress System -Advanced video playback and quality settings The free version of this app offers a rotation of free lessons. Access all of our content with an in-app subscription purchase. - Get all our lessons free with a 7-day free trial (converts to a monthly subscription at $19.99 after) - Choose monthly payments ($19.99), or yearly payments ($179.99) - Payment will be charged to your iTunes account at confirmation of purchase - Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Lessons that have worked for millions “More than just a great teaching experience. Guitar Tricks has knowledgeable and entertaining instructors who really seem to care about the student and material. I’ve learned a lot in a short amount of time. It’s a really fun spot.” – James Cox “I have always wanted to play guitar. Not learn it, just play it. My first experience (with Guitar Tricks) was amazing. Within a few minutes I was playing a song on my guitar.” –Phil Snell Enjoying our guitar lessons or love learning to play guitar from our instructors? Please leave us a review! You can also contact us directly if you have any questions at [email protected]
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.