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
Hebrew Dictionary Premium
• Bilingual English to Hebrew and Hebrew to English dictionary
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
214 ratings · Top 15%
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 Hebrew Dictionary Premium: map the core Books 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
Enhance search with autocomplete and suggestions.
Assumption to check: Limited search functionality compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline mode and saved words for easy access.
Assumption to check: No offline access or saved words
Validate with people who use this workflow before building.
Hypothesis 3
Offer a more user-friendly subscription model with clear benefits.
Assumption to check: Ads and paywall annoyance
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
• Bilingual English to Hebrew and Hebrew to English dictionary • Hebrew to English word and phrase translator and translation • Over 350K words and phrase can be used in offline • Offline pronunciation and translate any sentences • Scan text in image by pointing camera to search in dictionary • Designed for student, teacher, tourist and language learners • Having thesaurus, synonyms and antonyms • Translate individual words, phrases, or whole sentences • Tap a word for cross searching • Bookmark and Recent history for instant recall • Word of the day to learn IELTS, TOEFL and SAT words • Multiple games help to improve English and Hebrew vocabulary • Offline Pronunciation helps to learn words properly • Flash card and Word of the Day helps to improve vocabulary • Phrase book, Phrase of the day and Phrase Card helps to speak common phrases • Quote of the Day improves wisdom and motivation עִברִית מילון - מתרגם ללימוד אנגלית • מילון דו לשוני מאנגלית לעִברִית ומעִברִית לאנגלית • תרגום מילים ומתרגם ביטויים מעִברִית לאנגלית • תרגום לא מקוון של למעלה מ-350 מילים וביטויים • היגוי ותרגום של משפט כלשהו באופן לא מקוון • סרוק טקסט בתמונה בהצבעה עליו במצלמה וחפש אותו במילון • מיועד לסטודנט, למורה, לתייר ולתלמיד שפות • מכיל תזאורוס, מילים נרדפות והפכים • תרגם מילים יחידות, ביטויים או משפטים שלמים • הקש על מילה לחיפוש מוצלב • סימניות והיסטוריה אחרונה לאחזור מיידי • 'מילת היום' ללימוד מילים של TOEFL ,IELTS ו-SAT • משחקים מרובים המסייעים לשיפור אוצר המילים באנגלית ובעִברִית • היגוי לא מקוון מסייע ללימוד ראוי של מילים • כרטיס הבזק ו'מילת היום' מסייעים לשיפור אוצר המילים • שיחון, 'ביטוי היום' ו'כרטיס ביטויים' מסייעים להשתמש בביטויים נפוצים בדיבור • 'ציטוט היום' משפר חוכמה והנעה
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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
@react-navigation/native
Axios
React Native Gesture Handler
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.
