App Overview

Sleep Tracker & Sound by Remly icon

Sleep Tracker & Sound by Remly

DEEP FLOW SOFTWARE SERVICES · Health & Fitness

Struggling to fall asleep or stay asleep?

Free · In-app purchases

PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
4.8
18,590 ratings · Top 5%

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 Sleep Tracker & Sound by Remly: 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

Implement advanced algorithms or machine learning for improved accuracy.

Assumption to check: Some users report inaccurate sleep tracking.

Validate with people who use this workflow before building.

Hypothesis 2

Expand sound library with customizable playlists or user-uploaded sounds.

Assumption to check: Limited sound options compared to competitors.

Validate with people who use this workflow before building.

Hypothesis 3

Simplify navigation and enhance visual hierarchy for better user experience.

Assumption to check: User interface can feel cluttered.

Validate with people who use this workflow before building.

Hypothesis 4

Offer more customizable subscription plans and a clearer value proposition.

Assumption to check: Subscription model lacks flexibility.

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

Struggling to fall asleep or stay asleep? Remly makes bedtime simple with calming sounds, soothing white noise, guided meditation, and an easy sleep tracker & recorder. Drift off faster, sleep deeper, and wake up refreshed every morning. Relax Instantly with Sounds & Meditation Unwind with peaceful sounds, meditation tracks, and white noise designed to quiet your mind. Choose from nature sounds, soft music, or classic white noise — all crafted to help you relax, meditate, and sleep better. Create Your Own Perfect Sound Mix Don’t just listen — design your sleep environment. Combine sounds like rain, ocean waves, or birdsong with white noise and meditation music to build your personal soundscape. Every sound helps you find calm, focus, and rest. Track & Record Your Nights Remly is more than a sleep tracker. It’s also a powerful recorder that captures nighttime sounds like snoring, talking, or yawning. Together, the sleep tracker and recorder reveal how you sleep, while meditation and white noise help you improve it. Discover Insights That Matter With Remly’s sleep tracker, see how long you slept, view your patterns, and check what the recorder picked up during the night. Use these insights along with calming sounds, meditation, and white noise to build healthier sleep habits. Simple, Sound-Centered Design Remly keeps everything easy. Browse the sound library, enjoy meditation sessions, mix soothing sounds with white noise, and access your sleep tracker & recorder — all in a clean and intuitive interface. Sleep Notes & Sleep Factors: Keep a mini journal before bed and log factors that may affect your sleep — like coffee, alcohol, stress, or light exposure. Combine your notes with Remly’s sleep tracker and recorder to see how these factors impact your nights. Wake-Up Mood Log & Graphs: Track how you feel each morning. Record your wake-up mood and follow your patterns over time with simple, easy-to-read graphs. Pair this with meditation and calming sounds to improve both sleep and mornings. Breathwork & Heart Rate Tracking: Remly links breathwork directly to your heart rate tracker. If your heart rate is elevated, the app guides you through calming breathing exercises. With sound therapy, meditation, and white noise, you’ll lower stress and prepare for deeper sleep. With Remly, you can: Sleep better with meditation, calming sounds, and white noise. Personalize your experience using unique sound mixes. Use the sleep tracker & recorder to understand your nights. Improve your overall health with deeper, restorative sleep. Download Remly today and unlock better nights with meditation, sound therapy, white noise, and the most intuitive sleep tracker & recorder. Terms and Conditions: https://storage.googleapis.com/static.remlyapp.com/privacy-policy.html Privacy Policy: https://storage.googleapis.com/static.remlyapp.com/terms-and-conditions.html

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.

SUGGESTED BUILD STACK
React Native
Expo
Supabase
React Navigation
react-native-sound
styled-components
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.