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
KQ Dixie 26
KQ Dixie is a 6-operator FM synthesizer inspired by the legendary 1980s synthesizers
$8.99 · In-app purchases
PRICE
$8.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
11 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 included16 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 KQ Dixie 26: 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
Incorporate personalized recommendations and advanced search.
Assumption to check: Limited song discovery features compared to larger apps
Validate with people who use this workflow before building.
Hypothesis 2
Add social sharing options for songs and playlists.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Offer a limited-time offline listening option.
Assumption to check: No offline listening without a subscription
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI/UX design to be more visually appealing.
Assumption to check: Basic user interface may not attract premium users
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
KQ Dixie is a 6-operator FM synthesizer inspired by the legendary 1980s synthesizers. It brings rich, brilliant digital timbres to your iOS device while remaining highly flexible and compatible with existing legendary sound banks. Key Features - 156 voice parameters for in-depth sound design - Most parameters (except multi-timbral, filter, and delay) are DX7-compatible - 32 algorithms built in - Audio Unit v3 (AUv3) support — includes multiple-out via “KQ Dixie Multi” - MIDI / SysEx / syx file compatibility, including zip support — load DX7 patch banks and exchange with external gear - Micro-tuning support via Anamark / Scala (.tun / .scl) files - External and virtual MIDI support, and Volca FM connectivity - Multi-timbre & unison capabilities - Import zip / syx files without extraction — keeps your workflow smooth Usage Scenarios - Use KQ Dixie as an AUv3 synth inside your DAW on iPad or iPhone - Load classic DX7 patches from the Web or share your creations via syx / zip - Connect to external MIDI gear or Volca FM for hybrid setups - Use multitimbral / multi-out routing in modular or host apps If you discover any issues, please send your “Dixie Performance” file to the developer. Legal / Trademarks - DX is a trademark of Yamaha Corporation. Volca is a trademark of Korg Inc. The developer has no business relation with Yamaha or Korg. - Machine generated text is included in this application and description.
Written user reviews are not shown here. Check current App Store reviews >
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.
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BUILD KIT DIFFICULTY
Advanced
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.
