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.
Quickly and easily capture your musical ideas as soon as they arrive and turn them into professional-sounding songs with the multi-award winning Cubasis 3
$29.99 · 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 Cubasis 3 - DAW & Music Studio: 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 audio editing features compared to desktop DAWs
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Complexity of project management
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: High price point for casual users
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Performance issues on older devices
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.
Quickly and easily capture your musical ideas as soon as they arrive and turn them into professional-sounding songs with the multi-award winning Cubasis 3. Enjoy performing, recording, mixing and sharing your music in no time, wherever you are, right there on your iPhone and iPad. Meet one of the fastest, most intuitive and complete audio and MIDI DAWs available on iOS today: Cubasis 3. Computer Music Editor’s Choice Award 2020・MusicTech Choice Award 2020・NAMM TEC Awards 2026 Finalist "Cubasis 3 marks a great leap to the iPhone, and maintains Cubasis’ status as the DAW to beat on the iOS platform." — Computer Music "Cubasis has always represented the best balance between features and usability in any iOS DAW/sequencer, and in Cubasis 3, Steinberg have raised a high bar even higher." — Sound On Sound "Cubasis 3 is far and away the most powerful and user-friendly mobile DAW around." — ASK Audio "Cubasis has been invaluable for me when I just need to create a quick demo before the plane lands." — Rob Swire (Pendulum, Knife Party, Deadmau5) Learn more about Cubasis at www.steinberg.net/cubasis NEW IN CUBASIS 3 • Universal app support: Run Cubasis on the iPhone and iPad • Tempo and signature track support • Group tracks: Easily combine individual tracks to groups • Full-screen mixer: Easily extend the size of the mixer and more • New look, same feel: Enjoy creating more efficiently • Free Cubasis 2 IAP transfer: Freely transfer previous in-app purchases to Cubasis 3 • 960 PPQN MIDI resolution: Precise audio and MIDI event editing at the highest level • 8 insert, 8 send effects: Create great-sounding tracks with flexible effects options • FX rearrangement: Quickly rearrange plug-ins and change their pre/post fader position • 75 new effects presets: Make tracks sound great with these ready-to-use presets • Undo with history list: Quickly jump back to earlier versions of your song • Redesigned instruments and effects: Modern styling with more precise operation • Audio, MIDI and automation editors revisited: File editing is much more effective • Revised MediaBay: Your all-new control center for file and project management • UI scale presets for iPhone and iPad: Quickly change the size and arrangement of Cubasis • MicroSonic instruments refill: Get creative with great-sounding new instruments HIGHLIGHTS • Unlimited number of audio and MIDI tracks • 24 assignable physical inputs and outputs • 32-bit floating-point audio engine • Audio I/O resolution of up to 24-bit/96 kHz • Real-time time-stretching and pitch-shifting featuring zplane’s élastique 3 • Micrologue virtual analog synthesizer with 126 ready-to-go presets • MicroSonic with over 120 virtual instrument sounds • MiniSampler to create your own instruments (includes 20 factory instruments) • Mixer with studio-grade channel strip per track and 17 effects processors • Sidechain support • Fully automatable DJ-like Spin FX effect plug-in • Over 550 MIDI and time-stretch-capable audio loops • Virtual keyboard with chord buttons, chord and drum pads with intuitive note repeat • Audio editor and MIDI editor with MIDI CC support • MIDI editor for programming and editing MIDI tracks quickly and efficiently • MIDI Learn, Mackie Control (MCU) and HUI protocol support • MIDI auto quantize and time-stretch • Track duplicate • Automation, MIDI CC, program change and aftertouch support • Core Audio and MIDI-compatible hardware supported • Keyboard shortcut and mouse support • MIDI over Bluetooth LE support • Audio Unit including Instrument Multi Out support, Inter-App Audio and Audiobus 3 support • Ableton Link Support • Import audio via iTunes, iCloud Drive, Files app, AirDrop or use AudioPaste • MIDI clock and MIDI thru support • Export to Cubase, iCloud Drive, external hard drives, wireless flash drives, Dropbox, AudioCopy and email Technical support http://www.steinberg.net/cubasisforum If you like Cubasis, please support us by rating this app in the App Store! Thank you!
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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.