App Overview

Deep - Sleep Sounds & Relax icon

Deep - Sleep Sounds & Relax

Daniel PerlerA · Health & Fitness

Welcome to Deep, your perfect ally for resting, relaxing, and focusing! Say goodbye to sleepless nights and stress, and welcome a deep, revitalizing rest that will transform your day.

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
4.6
22 ratings · Top 15%

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 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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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 Deep - Sleep Sounds & Relax: map the core Health & Fitness 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

Include more unique sounds and user-uploaded content.

Assumption to check: Limited sound variety compared to competitors

Validate with people who use this workflow before building.

Hypothesis 2

Implement higher quality audio options.

Assumption to check: Inconsistent sound quality

Validate with people who use this workflow before building.

Hypothesis 3

Clearer explanation of subscription tiers and benefits.

Assumption to check: Subscription confusion among users

Validate with people who use this workflow before building.

Hypothesis 4

Add features for users to share sounds or playlists with friends.

Assumption to check: No social sharing options

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

Welcome to Deep, your perfect ally for resting, relaxing, and focusing! Say goodbye to sleepless nights and stress, and welcome a deep, revitalizing rest that will transform your day. At Deep, we’ve created a unique experience to help you fall asleep, reduce anxiety, and improve your focus—all through sounds specially designed to calm your mind. What Deep offers you: • Sounds for sleeping: Choose from our collection of immersive and effective sounds that help you fall asleep faster and enjoy a deep, restorative sleep. • Sounds for relaxing: Completely relax with sounds ideal for releasing stress, clearing your mind, and entering a state of total calm. Perfect for meditating or simply unwinding. • Sounds for focusing: Boost your productivity and focus on daily tasks, studying, or working, with sounds that block distractions and keep you present. Intuitive and user-friendly interface: • Choose your favorite sound from three categories: Sleep, Relax, or Focus, with just one tap. • Personalize your experience: Activate the auto-off feature by tapping the clock icon to set the timer. You can also adjust the time directly by swiping up or down on the minutes displayed, quickly and intuitively. • No interruptions: Use Deep while browsing other apps or with your screen locked, without stopping your favorite sound. Advantages of Deep: • No internet required: Enjoy your sounds anytime, anywhere, without needing a connection. • No subscriptions or ads: Access all content with a one-time payment for life, without annoying interruptions. • Total privacy: We do not store any personal data. Your information is completely secure. • Lifetime updates: Discover new experiences and sounds regularly to keep your routine fresh and enhance your rest and focus. Sounds that will transform your rest: • Relaxing sounds: Calm Rain, Rhythm of Waves, By the Fire, Flowing Waters, Nature’s Magic. • Sounds for deep relaxation: Fire & Keys, Bamboo Wind, Mindful Ringing, Andes Melody, Golden Strings. • Sounds for concentration: Full Focus, Digital Mind, Workout Boost, Blissful Vibes, Restful Dreams. Who is Deep for? • Those who suffer from insomnia, stress, or anxiety. • Those who want to relax after an exhausting day. • Those who seek to improve their focus for studying or working. Why choose Deep? • Instant relief: Say goodbye to insomnia, anxiety, and stress with our sounds that help you relax and sleep better. • Improve your well-being: Enhance your motivation, focus, and overall well-being with sounds designed for your mental and physical calm. • Transform your daily routine: Enjoy the best quality of sleep, concentration, and relaxation anytime, anywhere. Download Deep now and transform your rest with sounds that calm, focus, and relax. Say goodbye to sleepless nights and welcome the deep rest you deserve! Terms of Service - https://deep.fydub.com/terms-of-service Privacy Policy - https://deep.fydub.com/privacy-policy

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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
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.