App Overview

Voice Loop icon

Voice Loop

Michael Bergen · Music

***Rated #6 App in the Music Category in April '13***

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
2.6
23 ratings · Below Average

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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Build Kit

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

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Combine features and design from your favorite apps.

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What's included17 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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Free quick prompt For a smaller starting point

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 Voice Loop: 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 audio editing tools like trimming and effects layering.

Assumption to check: Limited editing features for audio recordings

Validate with people who use this workflow before building.

Hypothesis 2

Implement better audio processing to ensure consistent quality.

Assumption to check: Inconsistent playback quality

Validate with people who use this workflow before building.

Hypothesis 3

Enhance UI with clearer navigation labels and flow.

Assumption to check: Difficult navigation between features

Validate with people who use this workflow before building.

Hypothesis 4

Integrate social sharing and feedback options to engage users.

Assumption to check: Limited community support and feedback

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

***Rated #6 App in the Music Category in April '13*** Voice Loop is an A-B repeat type voice recorder that allows you to record unlimited audio tracks and loop them together. Record tracks with a given tempo and number of measures to sync the loops perfectly, or just record tracks with any length. A visual and auditory metronome helps sync tracks. Play multiple tracks at a time, all at once, or one at a time by simply tapping on the recorded file or clicking play to play all tracks. Voice Loop gives you controls to easily navigate through the recorded files, delete any tracks, or record new tracks while playing previously recorded tracks. Click 'Merge Tracks' to compile the recorded tracks into one file. All tracks and compilations will save to your phone until you delete them, and you can email tracks from the app. Voice Loop features: - record tracks with a fixed limit or unlimited length - specify length or number of measures for the track - visual and audio metronome help sync tracks perfectly - custom tempo for the measures and metronome - visual VU meter to see microphone power input - option to begin playback at the start of recording - loop each track infinitely or choose a number of loops - choose between playing audio through the speaker or the earpiece of the iPhone - tracks and compilations save to your phone permanently until you delete them - record new tracks while listening to playback - beautiful retina graphics - easily navigate through tracks and control playback of multiple tracks at once - move files around to organize tracks - share tracks via email from within the app - rename files to better organize compilation - bluetooth support

Written user reviews are not shown here. Check current App Store reviews >

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
Intermediate

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.