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.
If you are in a band of originals or covers, have a gig or just want to grab your guitar to play at home, go for it!
$5.99 · 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 SongFolio: Chords,Tabs,Setlist: 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 offline access for songs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: No collaborative setlist features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of advanced search filters
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: No social sharing options
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.
If you are in a band of originals or covers, have a gig or just want to grab your guitar to play at home, go for it! No user registration required! No subscriptions! No sign in! Just quick and simple! With SongFolio, you can easily create your chord diagrams and tablatures of your compositions or quick ideas in text format that is transformed into a performance view! You can also import from text files from your favorite cloud provider or from Safari, Notes app, or any other app, through an included share extension. Just choose the share option and look for the SongFolio icon! Create your Setlists for practicing, rehearsing and even performing on stage. Features: - Text editor dedicated to chords and tablature in text format. - Renderer of text chords and tablature formatted songs for an improved presentation of songs. - Print out your songs. - Quickly and easily find and import text based songs with chord names and/or tablatures. - Integrated Guitar Tuner. Chromatic or using the selected Guitar & Tuning for using alternate tunings like Drop D, DADGAD, Mandolin, Ukulele or even your own! - Support for C, D, E, … and Do, Re, Mi, … music notation. - Support for external displays connected through AirPlay or through a video cable. Try it out! It shows songs in full screen in external displays. - Open any text file or PDF with SongFolio to import it. - Share songs to SongFolio from the Notes, Safari, Files, etc. - Export songs to ChordPro format: - When viewing a song - In a setlist. - When sharing a song to SongFolio (from a browser or from any other app). This is a great way to convert songs to ChordPro. - Select guitar type and tuning for all songs (6-String Guitar, Ukulele, Mandolin, …). Chords diagrams are generated automatically accordingly! - Import and Export Setlists. Great for sharing Setlists between band members! - Customise guitar type & tunings and create your owns! - Left handed chords. - Smart resizing according to your preference. As you resize, tablatures and chords/lyrics are kept consistent! - Chord transposing. - Chord playing. - Chords and tablatures “beautification”. - Support for ChordPro* format. - Autoscroll the song based on the song duration. - Your library is always in sync across your devices with iCloud. - It plays the songs in your Apple Music Library so you can hear and play along. - Build Setlists based on your song library. - Built in visual metronome. - Control the song presenting with bluetooth page turners like AirTurn or any keyboard (or even with Line6 Helix devices!) And… A lot more is in the works! Feel free to contact us, we look forward to include your ideas! * Not all directives are supported.
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.