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
Rose Translation
rose translates text, photos, and live camera between 51 languages, entirely on your device
$0.49 · In-app purchases
PRICE
$0.49
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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Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What's included16 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 Rose Translation: 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
Expand language support and include user requests.
Assumption to check: Limited language options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 2
Implement offline translation capabilities.
Assumption to check: No offline functionality
Validate with people who use this workflow before building.
Hypothesis 3
Add voice recognition for text input.
Assumption to check: Lack of voice input feature
Validate with people who use this workflow before building.
Hypothesis 4
Enhance UI with modern design principles and animations.
Assumption to check: Basic UI design
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
rose translates text, photos, and live camera between 51 languages, entirely on your device. no internet connection required. no cloud. no subscriptions. just fast, private translation powered by an on-device ai model. text translation: type or paste any text and get an instant translation. rose supports 51 languages including japanese, chinese (simplified and traditional), korean, arabic, hindi, spanish, french, german, and many more. source language is automatically detected, or you can select it manually. image translation: import a photo from your library or take one with your camera. rose uses on-device ocr to extract text from the image, then translates it. nothing is ever sent to a server. live camera translation: point your camera at text and see translations overlaid directly on each detected region. each text block shows its own translation in place, making it easy to read signs, menus, and documents in real time. pronunciation guides: reading japanese, chinese, or arabic but don't know how to say it? rose provides ai-generated pronunciation in latin letters: romaji, pinyin, and romanization for 21 non-latin scripts. unlike basic converters, rose understands context. it reads the original meaning to produce accurate pronunciations, not just character-by-character guesses. text-to-speech: tap the speaker button to hear any translation read aloud. rose selects the highest-quality voice available on your device, with support for premium and enhanced voices across all 51 languages. favorites & themes: star your most-used languages so they appear at the top of every picker. choose between light, dark, or system theme to match your preference. fullscreen mode: show a translation in large, auto-scaling text. useful when showing your screen to someone across a counter or table. privacy first: rose runs a 2.1 gb ai model directly on your device using apple silicon. no text, images, or translations are ever sent to a server. there are no accounts, no analytics, and no tracking. your conversations stay on your device. no subscriptions: pay once. use forever. no recurring fees, no token limits, no usage caps. whether you're navigating tokyo, ordering in paris, or reading a document on a flight, rose works anywhere, anytime, with complete privacy. download once. translate forever.
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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
React Navigation
React Native Paper
Zustand
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.
