App Overview

SoundPull: Extract Audio icon

SoundPull: Extract Audio

Kohei Omori · Utilities

Pull the audio out of your videos — instantly, and entirely on your iPhone.

$1.99

PRICE
$1.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet

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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What's included16 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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> SELECT BUILD PLATFORM:

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

// RORK SYSTEM PROMPT
Rork plan preview for SoundPull: Extract Audio: map the core Utilities workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
            

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App evidence

Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.

Screenshots

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App Store description

Pull the audio out of your videos — instantly, and entirely on your iPhone. SoundPull extracts the sound from videos you own and saves it as MP3, M4A (AAC) or WAV. Recorded a lecture, an interview, a rehearsal, or a voice memo as a video? Get just the audio in a couple of taps — no uploads, no watermark, no ads. WHY SOUNDPULL - Fully on-device. The conversion runs on the phone in your hand; there is no server behind SoundPull and nothing to sign in to. - Your choice of format. MP3, M4A (AAC) or WAV — whichever the app or device on the other end expects. - No watermark, no ads. The audio you get is just your audio. - Fast. Extraction runs locally using Apple's own media engine. - Trim before extracting. Take just the section you need instead of the whole recording. - Batch extraction. Queue several videos and let them run one after another. - Ringtones. Export a section as M4R and set it as your ringtone through GarageBand. - Transcription. Turn the speech in a recording into text, recognized on your iPhone — so it keeps working with no connection at all. - Silent video. Save the video itself with its audio track removed. - Pick the audio track, and even out recordings that came out too quiet. - Audio files, too. Convert M4A, MP3 and WAV recordings — voice memos included — to the format you need. - Merge. Join several videos or recordings into one audio file, in the order you choose. HOW IT WORKS 1. Pick a video from your photo library or Files — or send one to SoundPull from another app. 2. SoundPull pulls out the audio track on your device. 3. Listen to the result, then keep it in Files or hand it over to a different app. WHAT PEOPLE USE IT FOR - Lectures and classes filmed on a phone, turned into audio for the commute - Interviews and meetings kept as small audio files instead of large video - Music practice, rehearsals and live sets you recorded yourself - Voice memos you accidentally captured as video - Source material for a podcast or a video essay you are producing - Language study — listening back to your own recordings without watching WORKS WITH YOUR VIDEOS SoundPull reads the video formats your iPhone already understands, including MP4, MOV and M4V files recorded on your device, screen recordings, and clips received through AirDrop, Files or other apps. If a video carries an audio track and iOS can read it, SoundPull can pull the sound out of it. Videos with no audio track are detected before extraction starts and explained in plain language, so you are never left staring at a failure you cannot interpret. MADE FOR YOUR OWN CONTENT SoundPull is for audio from videos you created or have the right to use — your recordings, your projects. It does not work with DRM-protected content and never bypasses copy protection. ONE PURCHASE, THAT'S IT Buy SoundPull once and everything is unlocked — unlimited extractions, forever. No subscription, no ads, no upsells. PRIVATE BY DESIGN Lectures, interviews and meetings often contain things that were never meant to leave the room. SoundPull has no server to send them to: your recordings are decoded and converted on the iPhone itself, and the app collects nothing about you or the files you open. Turn your videos into audio you can actually use — with SoundPull.

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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

Expand supported formats for more flexibility.

Assumption to check: Limited file format support for extraction

Validate with people who use this workflow before building.

Hypothesis 2

Provide visual progress indicators and notifications.

Assumption to check: Lack of user feedback during extraction

Validate with people who use this workflow before building.

Hypothesis 3

Implement audio preview before saving.

Assumption to check: No audio playback features

Validate with people who use this workflow before building.

Hypothesis 4

Add a history feature to revisit previous extractions.

Assumption to check: No history of past extractions

Validate with people who use this workflow before building.

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.