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
Still Waters App
still waters is a quiet, christ-centered space designed to help you unwind before sleep with gentle sounds, scripture-rooted peace, and simple bedtime prayer.
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 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.
Build your own version
Build Kit
Make this idea yours
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 included16 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 Still Waters App: 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
Add diverse guided sessions and categories.
Assumption to check: Limited audio session variety may bore users
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate sharing options for sessions.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 3
Offer more engaging free content to entice subscriptions.
Assumption to check: Paywall may deter users after free trials
Validate with people who use this workflow before building.
Hypothesis 4
Implement feedback forms or ratings for sessions.
Assumption to check: Lack of user feedback 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
still waters is a quiet, christ-centered space designed to help you unwind before sleep with gentle sounds, scripture-rooted peace, and simple bedtime prayer. created for evenings when you want less noise and more stillness, the app offers a calm, distraction-free experience — free from ads, subscriptions, and tracking. features • peaceful sleep sounds inspired by nature and worship • scripture-rooted reflections for quiet meditation • simple bedtime prayer for closing the day • favorites to save the sounds you love • sleep timer with gentle fade-out • background audio and lock-screen controls • multiple visual themes to suit your evening mood designed with care still waters is intentionally simple. there are no accounts to create, no data collected, and nothing to distract from rest. everything is available from the moment you install the app. whether you are ending the day in prayer, reflecting on scripture, or resting with calming sounds, still waters invites you to slow down and rest in god’s peace.
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
Zustand
@react-navigation/native
expo-av
BUILD KIT DIFFICULTY
Starter
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.
