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.
App Overview
SkateLoops: MP3 Practice App
SkateLoops: Your Practice, Your Playlist
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
14 ratings · Top 5%
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.
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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included17 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
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Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Screen plan
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.
Differentiate and validate
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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Free quick prompt For a smaller starting point
Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for SkateLoops: MP3 Practice App: 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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Opportunities
AI-GENERATED OPPORTUNITY HYPOTHESES
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
Implement more advanced looping features like variable loop lengths.
Assumption to check: Limited track looping functionality.
Validate with people who use this workflow before building.
Hypothesis 2
Add options for users to share their loops or practice sessions.
Assumption to check: Lacks social sharing features.
Validate with people who use this workflow before building.
Hypothesis 3
Enable offline access for all downloaded loops.
Assumption to check: No offline support for downloaded tracks.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize the UI and playback settings.
Assumption to check: Minimal user customization options.
Validate with people who use this workflow before building.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
SkateLoops: Your Practice, Your Playlist Elevate your practice sessions with SkateLoops, the tailored MP3 player designed specifically for figure skaters, artistic roller skaters, dancers, and cheerleaders. SkateLoops simplifies your rehearsal process, allowing you to focus on perfecting your performance with seamless music control at your fingertips. Why SkateLoops? - Simplified Soundtrack Management: Upload your music and customize the displayed filenames to keep your practice sessions organized. - Effortless Control: Play, replay, and delay tracks with ease. Perfect your routines by controlling the music to match your practice needs without any distractions. - Designed for Artists: Whether you’re gliding on ice, rolling in rhythm, dancing ballet, or cheering in sync, SkateLoops is your backstage tech assistant that understands the unique needs of your discipline. Features: - Custom Music Uploads: Bring your own music. Upload the tracks you need and manage them intuitively. - Track Customization: Rename files within the upload window to match your routine segments or practice drills for quick selection. - Flexible Playback Options: Play and replay your tracks as needed. Use the delay feature to start the music when you’re ready, giving you time to get into position without assistance. - Uninterrupted Experience: Focus on your practice without fumbling for controls. SkateLoops makes it simple to manage your music so you can stay in motion. SkateLoops is more than just a music player—it’s a practice enhancer for dedicated athletes in visually and physically demanding arts. By integrating seamlessly into your rehearsal routine, it lets you concentrate on what truly matters: your performance. Download SkateLoops now and optimize your practice sessions with precision and ease!
Written user reviews are not shown here. Check current App Store reviews >
Screenshots
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Build scope
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Define the first version
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Set boundaries
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Check the hard parts
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
SUGGESTED BUILD STACK
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BUILD KIT DIFFICULTY
Starter
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.
