App Overview

White Noise: Sleep & Rain icon

White Noise: Sleep & Rain

TMK Consultoria LTDA · Health & Fitness

White noise, brown noise, pink noise and real rain recordings for sleep, rest and focused work

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
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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 included15 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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

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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

White noise, brown noise, pink noise and real rain recordings for sleep, rest and focused work. Pick a sound, press play and settle in. One purchase includes every sound and feature. REAL SOUNDS, READY OFFLINE Listen to 12 recordings of nature and everyday places: soft rain, heavy rain, rain on a roof, distant thunder, ocean waves, wind in pine trees, a stream, open-field wind, a fireplace, a fan, an airplane cabin and summer crickets. They come with the app and loop smoothly without an internet connection. White, brown and pink noise are generated continuously on your iPhone. Each of the 15 sounds has its own illustration, with gentle movement during playback. MAKE YOUR OWN MIX Combine up to three sounds and adjust each volume. Try rain with brown noise, or ocean waves with a breeze. Save as many mixes as you like, rename them and adjust them later. Keep favorite sounds close for next time. SET A SLEEP TIMER Listen for as long as you like, or set a timer from 1 minute to 12 hours. Fade the sound over the final 15, 30, 60 or 120 seconds, or let it stop without a fade. The app remembers your choices. LISTEN THROUGHOUT YOUR DAY • Keep sounds playing with your iPhone locked or while using other apps. • Enable "Play with other audio" to listen alongside music or podcasts. • Adjust the app's volume independently from your iPhone's volume. • Pause, resume and see the remaining timer from the Now Playing bar on every screen. • Use AirPlay and system media controls in standard playback mode. EVERYTHING INCLUDED No subscriptions, in-app purchases, ads or account. Recordings are bundled with the app. Your mixes, favorites and preferences stay on your device. Find the recording creators and licenses in Settings. Light and dark appearances, larger text support, VoiceOver labels and animations that respect Reduce Motion. Available in English and Brazilian Portuguese. Start with a low, comfortable volume. Made by TMK Consultoria Ltda. Support: [email protected]

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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.

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.

SUGGESTED BUILD STACK
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.