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
Tanach
Now you can browse and even search the whole Jewish Tanach on your iPhone with this iPhone app from RustyBrick
$14.99
PRICE
$14.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.8
5 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 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Tanach: map the core Reference 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
Implement advanced filtering and search options.
Assumption to check: Limited search functionality for specific verses
Validate with people who use this workflow before building.
Hypothesis 2
Add customizable font sizes and themes.
Assumption to check: Lack of user customization for text display
Validate with people who use this workflow before building.
Hypothesis 3
Integrate sharing features for notes and verses.
Assumption to check: No built-in social sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Enable offline access and caching of chapters.
Assumption to check: No offline access to the text
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
Now you can browse and even search the whole Jewish Tanach on your iPhone with this iPhone app from RustyBrick. This includes the Torah, Nevi'im and Ketuvim. The Torah or Chumash is browsable by both chapter and by parashah and includes the five books of Moses; Genesis [Breishit], Exodus [Shmot], Leviticus [Vayikra], Numbers [ Bamidbar], and Deuteronomy [D'varim]. Nevi'im (Prophets) and also includes Ketuvim (Writings). This allows you to search for Hebrew words. In addition, it allows you to bookmark verses by clicking on them. You can also email verses. Features Include: * Browse by Chapter * Browse by Parashah for Torah * Search in Hebrew * Bookmark Verses * Email Verses * Font Size preference * Hebrew Only ***************************************************** עכשיו תוכלו לדפדף ואף לערוך חיפוש בכל התנ"ל על ה-iphone שלכם. כולל תורה נביאים וכתובים . החומש ניתן לדיפדוף לפי פרק או פרשה וכולל את כל חמשה חומשי תורה [בראשית, שמות, ויקרא, במדבר ודברים] וכן הנביאים וכתובים. אפלקציה זו הינו היחיד הקיים כעת בחנות iphone app והיחיד המאפשר לכם לחפש מילה בעברית. ניתן אף להשתמש בסימניה לפסוקיםע"י לחיצה כפולה. כמו כן ניתן לשלוח פסוקים באי מייל לעצמכם או לחברים ובני משפחה. תוכן: חמשה חומשי תורה * בראשית * שמות * ויקרא * במדבר * דברים נביאים * יהושוע * שופטים * שמואל (א' ב') * מלכים (א' ב') * ישעיה * ירמיהו * יחזקאל * תרי עשר * הושע * יואל * עמוס * עובדיה * יונה * מיכה * נחום * חבקוק * צפניה * חגי * זכריה * מלאכי כתובים * תהילים * משלי * איוב * שיר השירים * רות * איכה * קהלת * אסתר * דניאל * ערזא ונחמיה * דברי הימים מאפיינים: * חיפוש לפי פרק * חיפוש לפי פרשה * חיפוש בעברית * סימון פסוקים * שליחת פסוקים באי מייל * שינוי גודל פונט לבחירתכם
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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
React Navigation
Async Storage
React Native Paper
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.
