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
Retention Journey
There is a secret the most disciplined men throughout history understood.
$0.99 · In-app purchases
PRICE
$0.99
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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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 Retention Journey: 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
Provide seamless connectivity with Apple Watch and other wearables.
Assumption to check: Limited integration with wearable devices
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate social challenges and leaderboards to increase user engagement.
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Hypothesis 3
Enhance with interactive graphs and charts for better progress tracking.
Assumption to check: Insufficient data visualization
Validate with people who use this workflow before building.
Hypothesis 4
Offer tailored workout routines based on user goals and fitness levels.
Assumption to check: No personalized workout plans
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
There is a secret the most disciplined men throughout history understood. When you master yourself, everything else follows. Your focus sharpens. Your confidence becomes unshakeable. Your energy feels limitless. Your purpose becomes clear. People notice the difference before you even say a word. Retention Journey is the most complete self-mastery tracker built for men who are serious about reclaiming their power and becoming the best version of themselves. LIVE STREAK COUNTER Track your journey to the second. Watch your days, hours, minutes, and seconds of discipline stack up in real time. Every number on that counter is proof of who you're becoming. 10 MILESTONE REWARDS Unlock achievement badges at Day 1, 3, 7, 14, 21, 30, 60, 90, 180, and 365. Each milestone comes with a personalised message to mark how far you've come. LIFE FORCE ENERGY — THE COMPLETE GUIDE 10 original chapters written exclusively for this app, covering the science, the history, the mindset, and the practical tools: The Ancient Secret The Biology of Power The Week-by-Week Journey Physical Dominance Mental Mastery Emotional Steel The Art of Transmutation Spiritual Awakening Practical Tools The New Identity MENTAL & PHYSICAL BENEFITS LIBRARY A science-backed breakdown of every benefit — from testosterone and dopamine rebalancing to social confidence, deep sleep, and physical performance. DAILY MORNING MOTIVATION Wake up to a powerful motivational message every morning at 8:00 AM. FULL STATS & HISTORY Current streak, longest streak, total attempts, and average days — all tracked automatically. SIGN IN WITH GOOGLE OR APPLE Your journey is saved and secured across devices. This app is for men who are done with excuses and ready to commit. No gimmicks. No filler. Just a clean, powerful tool built to support the hardest and most rewarding journey you'll ever take. Download Retention Journey. Start your streak. Change your life.
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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.
SUGGESTED BUILD STACK
React Native
Expo
Zustand
Supabase
React Navigation
D3.js for graphs
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.
