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.
n-Track Studio is a powerful Audio and MIDI multitrack recorder & music-making app that turns your iOS device into a complete Recording Studio & Beat Maker.
$29.90 · 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 n-Track Studio Pro | DAW: 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: High learning curve for new users without audio production experience
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Limited collaboration features
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Performance issues with larger projects
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Inconsistent audio quality across 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.
n-Track Studio is a powerful Audio and MIDI multitrack recorder & music-making app that turns your iOS device into a complete Recording Studio & Beat Maker. Record a virtually unlimited number of Audio, MIDI & Drum Tracks, mix them during playback and add effects: from Guitar Amps, to VocalTune & Reverb. Edit songs, share them online & join the Songtree community to collaborate with other artists. Check out n-Track Studio Tutorials for iOS: https://ntrack.com/video-tutorials/iOS HOW IT WORKS: • Record a track with the built-in mic or an external audio interface • Add & edit audio tracks using our Loop Browser & royalty-free sample packs • Import grooves & create beats using our Step Sequencer Beat Maker • Create melodies using the internal keyboard with our built-in virtual instruments. You can connect external keyboards too • Use the mixer to adjust levels, pan, EQ & add effects • Save or Share the recording directly from your device MAIN FEATURES: • Stereo & Mono audio tracks • Step Sequencer Beat Maker • MIDI tracks with built-in Synths • Loop Browser & in-app Sample Packs • Virtually unlimited number of tracks • Group & Aux channels • Piano-roll MIDI Editor • On-screen MIDI keyboard • EQ with 2D & 3D Spectrum analyzer + chromatic tuner • VocalTune - pitch correction: automatically correct any pitch imperfections on vocals or melodic parts • Guitar & Bass Amp plugins • Reverb, Echo, Chorus & Flanger, Tremolo, Pitch Shift, Phaser, Tube Amp and Compression effects can be added to any track & the master channel • Built-in Metronome • Import existing tracks • Automate track volumes & pan using volume and pan envelopes • Share your recordings online • Collaborate to create music with other musicians with the integrated Songtree online music making community • Languages included: English, Spanish, French, German, Italian, Portuguese, Russian, Indonesian ADVANCED FEATURES: • 64 bit double precision floating point audio engine • Follow Song Tempo & Pitch Shift dropdown menu on Audio Loops • Export 16, 24 or 32 bit audio files • Set sampling frequency up to 192 kHz (frequencies above 48 kHz require an external audio device) • Internal audio routing • Sync with other apps or external devices using MIDI clock & MTC sync, master & slave • Record 4+ tracks simultaneously from USB pro-audio devices such as RME Babyface, Fireface & Focusrite • Support for multiple audio output when using compatible USB devices • Input monitoring What you get: • Unlimited audio & MIDI tracks • Unlocks all the available effects • Unlimited number of effects per channel • Export to WAV or MP3 • 64 bit audio engine • Export in 24, 32 and 64 bit uncompressed (WAV) format • 3D frequency spectrum view One-time, in app purchases available: • 10GB+ of Premium Royalty-Free WAV Loops & One-Shots • Exclusive release-ready Beats & editable n-Track Studio Projects • 400+ Sample Instruments TERMS OF USE http://ntrack.com/terms.php
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.