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.
The MIDI controller for wireless gamepads.
$4.99
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 MIDITROL: 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: Can't play offline
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Algorithm doesn't understand taste
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Shuffle-only on free tier
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.
The MIDI controller for wireless gamepads. Turn your wireless gamepad into a low latency and portable creative instrument. Use it as a MIDI controller and play with mobile apps with the virtual MIDI output or connect it with USB or WiFi network to your desktop computer and send MIDI values to your software. Control your PRO apps remotely with the integrated Open Sound Control client with customizable OSC address per gamepad input. Game controllers are carefully designed devices that can open new possibilities for your creative game. You can modify more than 10 analog values with just one hand, you can't do that with a conventional MIDI controller, it's like turning 10 knobs with just one hand. Features: - Connect up to 4 game controllers at the same time. - Get access to all the digital and analog values of your game controller. - Customize any button to send any MIDI note or MIDI CC value. - Toggle mode for buttons. - Select MIDI channel, velocity and CC range independently. - Store configuration presets. - Load presets on the fly. - Support for DualShock 4 and DualSense touchpad, rotation sensor and RGB led. - Support for Xbox One Elite S2 paddle buttons. - OSC client support for sending messages to remote servers. - Play with mobile apps with the virtual MIDI output. - Control desktop software with USB and WiFi connection. - Light & Dark mode. - Personalized icons for every kind of controller. - Compatible with DualShock 4, DualSense, Xbox One and MFi game controllers. Warning: Game controllers don't work with apps running on the background. To control other apps you need to have the MIDITROL open.
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.