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.
Created by two award-winning producers, HOUSE: MARK I was custom made exclusively for your iPhone & iPad
$3.99 · 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 HOUSE: Mark I: 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 sound editing features compared to desktop DAWs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Steep learning curve for beginners
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Performance issues on older devices
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: High price point for casual users
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.
Created by two award-winning producers, HOUSE: MARK I was custom made exclusively for your iPhone & iPad. Perfect for the studio, songwriting, and performance. “Really kind of blowing me away... It sounds so freaking great” – Justin Gilbert (Justin Timberlake, Alicia Keys, Eminem) “This is killer... Really phenomenal.” – Tracyan Martin (Janelle Monae, Musiq Soulchild, Fantasia) A famous vintage electric piano was recorded and lovingly hand edited by award-winning producers. The tines. The noise. The feel. The vibe. It’s all here. Handmade by Henny Tha Bizness (Platinum-selling Producer, Jay-Z, Drake, more) and Kennard Garrett (Award-winning Producer/Songwriter, Sting, Shaggy, more), HOUSE: MARK I has already been endorsed and used by professional musicians and hit-making engineers. FEATURES: • Easy-to-use controls. Only the knobs you need. • Pro Sound quality. It’s all about the Vibe. • 4 Velocity Layers, meticulously hand edited and under 150mb • Studio quality sound – on the go. Create wherever you are. • Feels "Real" with carefully sampled key noise and air PLUS: • Use a MIDI keyboard & pedal to play • Standalone app, plus iOS AUv3 Plug-in • Universal: For one low price you get both the iPhone & iPad versions WEBSITE: audiokitpro.com/house “We really love the heck out of this thing! Hopefully you will as well” – Henny tha Bizness WATCH VIDEO: https://www.youtube.com/watch?v=2CKZEEYBUtU "This thing sounds amazing. Velocities are inspiring. Fun and vintage!" – The AudioDabbler, iOS YouTuber “It sounds beautiful! Feels great” – Daniela Rivera (Kylie Minogue, Coldplay, Selena Gomez) “HOUSE: MARK I is an app we play EVERYDAY on the records we create” – Westview Drive, producer team for Sting, Jay-Z, Drake, Kendrick Lamar, Lil Wayne, 50 Cent, Black Eyed Peas, J. Cole, Young Jeezy, R. Kelly, Brandy, Ice Cube, Wiz Khalifa, Rick Ross, and many others. OPEN-SOURCE CODE: Learn how to make your own app! Completely free template to make your own sample-based iOS instrument and iPad AUv3 plug-in, available on Github: https://github.com/AudioKit/AUv3-Example-App REQUIREMENTS: iPhone 6s and above screen size. Requires iOS 11 and above. Will not work with 1st generation SE phones. YOUR SOUND ON THE GO: "This app is definitely something that I will be using a lot more on my gigs. If your laptop crashes the day before a gig, you can use your phone” – Tracyan Martin (Janelle Monae, Musiq Soulchild, Fantasia) SPECIAL THANKS: Morehouse College, AudioKit Team, Jeff Cooper, Matthew Fecher, Aure Prochazka, Jordan Rudess, Daniel Kuntz for the app icon, Brandon Rico, Marcus Manderson, Justin Gilbert, Jamie Portier, Tracyan Martin, Daniella Riviera * All organizations or artists listed in the materials are quotes (or for reference purposes). Unless otherwise stated, there is no official relationship with any company, artist, or organization listed here.
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.