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.
App Overview
CalmNest: Sleep & Relax
Welcome to CalmNest — your calm space for mind & body restoration
$5.99 · In-app purchases
PRICE
$5.99
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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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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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.
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
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for CalmNest: Sleep & 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
Offer a wider selection of sounds and meditations, including user-generated content.
Assumption to check: Limited content variety, which can lead to user fatigue.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a guided onboarding tutorial to help users navigate features.
Assumption to check: Poor onboarding experience that may confuse new users.
Validate with people who use this workflow before building.
Hypothesis 3
Allow customization of sound mixes and meditation lengths.
Assumption to check: Inadequate personalization options for users.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce flexible pricing plans or a free tier with limited features.
Assumption to check: High subscription cost may deter users.
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 CalmNest — your calm space for mind & body restoration. Designed for people who want to wind down, relax deeply, and drift into sleep naturally. Featuring: • Wake-time setup: Choose your ideal wake time and let CalmNest guide your cycle. • Guided breathing sessions: Inhale and exhale with visual motion guides and gentle interactions (scrolling, moving along a line, directional movement) to synchronize breathing and calm the nervous system. • Sleep-detection logic: When you stop interacting, CalmNest gently shifts into sleep mode — dark screen, “Good night” message, and minimal touch requirement. • Insight dashboard: Track your sleep patterns — time to fall asleep, total sleep time, weekday trends, week-on-week changes, and overall sleep-quality evaluation (deep-sleep entry latency, duration, etc.). • Customization: Adjust inhale/exhale intervals, screen brightness minimum/maximum, sleep-detection timeout, background sound toggle, alarm sound selection. • Recommended: Use “Do Not Disturb” mode on your device for optimal space to relax. CalmNest is built for iOS with Tuist & Fastlane under the hood, and uses a bottom-navigation layout with tabs: Home / Sleep / Insight / Settings. Say goodbye to brain-rot — reclaim your nights and renew your days with CalmNest. Download now and begin your journey to restful, natural sleep. Start your first breathing-session tonight. Your better sleep begins here.
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
Redux
React Navigation
expo-av
axios
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.
