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
ARITAKA
Astronomy for Astrologers
$9.99
PRICE
$9.99
No 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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A product spec, screen plans, and build steps for your coding agent.
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What's included
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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
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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.
App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
App Store description
Astronomy for Astrologers ARITAKA bridges astrology and the celestial sphere. View the horoscope from four distinct perspectives to deepen your understanding of planets, the 12 signs, and the 12 houses. Why do the summer solstice Sun and winter solstice Full Moon appear at their highest point? Why do some signs rise steeply while others ascend obliquely? Why do certain house systems break down at high latitudes? Traditional textbooks rely on flat diagrams and formulas, but grasping three-dimensional celestial motion from two dimensions alone is an enormous challenge. ARITAKA serves as an aid to that understanding. ◆ Sphere View Displays planets, fixed stars, the 12 signs, and the 12 houses on the celestial sphere. Switch your viewpoint between inside and outside — like a traditional celestial globe, with orthographic projection. ◆ Sky Chart View Projects the horizon and meridian in 3D onto a two-dimensional horoscope. Read planetary positions near the horizon and meridian that flat charts cannot represent. Inspired by the astrology software Placidus. ◆ Stereographic View Freely navigate the sky and horizon to simulate planetary and stellar positions. Display and interaction design drawn from the astronomy simulator Stellarium. Includes rise, transit, and set times. ◆ Solar System View Projects the horoscope onto a 3D simulation of the solar system, offering an objective vantage point for the chart. ◆ Key Features · 7 house systems (Placidus, Regiomontanus, Campanus, Koch, Topocentric, Equal, Whole Sign, Alcabitius) · Tropical / Sidereal with multiple ayanamsha options · Fixed stars, constellation lines, and planet labels · 12 reference lines including horizon, meridian, prime vertical, ecliptic and equatorial grids · Direct date/time editing with VCR controls · Place search and saved observer locations · Screenshot sharing and URL sharing · Japanese / English interface A free Web version is also available at aritaka.com. The iPad version adds extra house systems, color customization, and unlimited saved profiles.
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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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
