App Overview

Flip Sampler icon

Flip Sampler

Suture Sound Inc. · Music

Flip is a sample-based mobile music studio that was designed for a fast and intuitive work flow

$11.99 · In-app purchases

PRICE
$11.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.2
325 ratings · Top 30%

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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A product spec, screen plans, and build steps for your coding agent.

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What's included18 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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Flip Sampler: 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

Add advanced editing tools like pitch shifting and time stretching.

Assumption to check: Limited audio editing features compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Implement social sharing and collaboration tools.

Assumption to check: No collaborative features for sharing samples

Validate with people who use this workflow before building.

Hypothesis 3

Design a more user-friendly and less disruptive monetization approach.

Assumption to check: In-app purchase prompts can be intrusive

Validate with people who use this workflow before building.

Hypothesis 4

Simplify the UI with better onboarding and guided tours.

Assumption to check: Cluttered UI can overwhelm new 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

Flip is a sample-based mobile music studio that was designed for a fast and intuitive work flow. Import your own sounds via AirDrop or the Files app, or record sounds directly with your device's microphone or a connected iOS interface. As soon as you record a sound it’s available to be played on drum pads as well as being mapped across a keyboard. Sounds can be subtly shaped or entirely transformed using the built-in effects and easy-to-use editing tools. You can record a quantized or unquantized performance on the pads or keyboard. There is also a full piano roll where you can enter and edit notes and velocities. Record knob movements or draw automation by hand to bring even more life to your sounds. Every automation lane can also have its own independent length, for polymetric and generative music possibilities. Create up to 16 different sections for your song and drag and drop them into any order to create your arrangement. Mixing and mastering tools allow you to finish a full track without ever leaving your phone. You can export your full track, or hit the tape icon and record the live output of the app while you tweak anything on the fly. Both options allow you to capture individual track stems as well! A performance page lets you trigger your patterns live while controlling a global filter, assignable pitch bends and reverb sends, and a random fill generator. Artist packs are available in-app at $3.99 or less, which include original sounds and projects from Andrew Huang, Cuckoo, Chuck Sutton, Kilamanzego, Pusher, and more on the way all the time. Features: - 9 track sampler - 4 effects per track: Delay, Filter, Chorus, Bitcrush - Graphic EQ per track - Monophonic or up to 16-note polyphonic playback per sample - Adjustable pitch, volume, playback direction, sample start and stop points - Looping Envelope with forward, backward, both (ping pong) direction - 19 automatable parameters per track - Independent lengths for each automation lane - Automation can be recorded via knob movements or drawn by hand - Drum pad and keyboard input - Full piano roll with 10 octaves, note velocity, editing tools - Randomization over sample selection for quick inspiration - Randomization over note position to create surprising variations - Drag-and-drop song arrangement page - Global reverb with individual track sends - Mixing and mastering tools - Powerful performance features for creating instant fills, pitch shifts, reverb sends, and global low or high pass filtering - Export full track and stems - Live recording of performances - Metronome with tap tempo and swing/shuffle - Ableton Link integration for easy syncing with other devices over WiFi - Share projects and sounds via AirDrop, email, etc. - Undo and redo

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Screenshots

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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.