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
Translate Offline: German Pro
OFFLINE translator and dictionary -- the ultimate foreign language tool when you are abroad! Translates without Internet/3G/wi-fi between German and English
$1.99 · In-app purchases
PRICE
$1.99
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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A product spec, screen plans, and build steps for your coding agent.
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What's included18 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 Translate Offline: German Pro: map the core Travel 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
Expand language support to attract more users.
Assumption to check: Limited language options for translations.
Validate with people who use this workflow before building.
Hypothesis 2
Implement voice recognition for hands-free translations.
Assumption to check: No voice input for translations.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize offline storage and translation accuracy.
Assumption to check: Offline mode can be unreliable for large texts.
Validate with people who use this workflow before building.
Hypothesis 4
Add a review system for users to rate translations.
Assumption to check: No user feedback mechanism for translations.
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
OFFLINE translator and dictionary -- the ultimate foreign language tool when you are abroad! Translates without Internet/3G/wi-fi between German and English. Save on data roaming charges when you travel! Our unique translation technology often delivers translations that excel both Google Translate and Microsoft Translator while using much less storage space. It also allows more language pairs than other paid apps having offline translation such as iTranslate. For other languages see our app Offline Translator: 8 languages TRANSLATION - translates from and to German and English; - fully functional translation without any internet connection; PHOTO/PICTURE TRANSLATION AND OCR - take a picture of printed text and translate it in seconds offline! - available for both English and German; - use this feature to easily convert photos of printed text into editable text in offline mode; DICTIONARY - dictionary between German and English; - recognizes any word form and identifies its features (number, person, gender, etc.) - displays all the translations for a given word; - displayed for single words when hitting the Translate button; - allows reading individual words by tapping the desired word in the translation; VOICE - voice output for both German and English - allows reading individual words by tapping the desired word in the translation; You can test the translation without buying the app at http://www.offline-translator.com Help us improve the translation quality (and get a free update) by translating text and suggesting better translations for SkyCode at http://itranslate4.eu If you encounter problems with the app, please contact our customer support!
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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
Supabase
Zustand
React Navigation
React Native Async Storage
BUILD KIT DIFFICULTY
Advanced
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.
