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
TimePassages Astrology
Your birth chart is a map of the moment you arrived
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.8
44,028 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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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/
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 TimePassages Astrology: map the core Lifestyle 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 more valuable free features to enhance user retention
Assumption to check: Limited free features compared to premium offerings
Validate with people who use this workflow before building.
Hypothesis 2
Implement better error handling and loading states
Assumption to check: Occasional crashes during horoscope loading
Validate with people who use this workflow before building.
Hypothesis 3
Simplify settings navigation and provide tooltips for clarity
Assumption to check: Confusing settings layout
Validate with people who use this workflow before building.
Hypothesis 4
Add forums or user interaction features to enhance engagement
Assumption to check: Lack of community features
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
Your birth chart is a map of the moment you arrived. TimePassages helps you read it. Used by astrologers since 2012, from curious beginners to seasoned professionals, TimePassages is the most trusted astrology app on the market. Every interpretation is written by real, experienced astrologers. Not AI. Not algorithms. Actual humans who have devoted their lives to this craft. YOUR BIRTH CHART, DEEPLY UNDERSTOOD Your chart is a map of your inner world, your drives, your gifts, your patterns, and your path. TimePassages gives you the depth to actually read it. YOUR DAILY HOROSCOPE, PERSONALLY YOURS Unlike generic sun-sign horoscopes, your daily horoscope is calculated from your unique birth chart. Every day, a personalized forecast based on exactly where the planets were when you were born and where they are right now. YOUR RELATIONSHIPS, ILLUMINATED See the astrological dynamics between you and anyone in your life. Our Synastry and Composite charts reveal what is really at play, with interpretations that go beyond surface-level compatibility. YOUR TIMING, CLARIFIED Track transits and progressions to understand why certain periods of your life feel the way they do, and what is coming next. FREE TO EXPLORE. PRO WHEN YOU ARE READY. Your birth chart and daily horoscope are always free. Upgrade for unlimited charts, forecasting, and the full TimePassages experience. The original astrology app. Still the best one.
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-query
@supabase/supabase-js
react-native-reanimated
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.
