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
Vox Spanish-English Medical
Top-selling dictionary app since 2008 • Every medical translation you need PLUS verb conjugations in all tenses • No internet connection required!
$23.99 · In-app purchases
PRICE
$23.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.5
4 ratings · Top 50%
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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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 Vox Spanish-English Medical: 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 search filters and suggestions.
Assumption to check: Limited search functionality compared to larger dictionary apps
Validate with people who use this workflow before building.
Hypothesis 2
Redesign the UI with a more contemporary look and feel.
Assumption to check: User interface is not modern or engaging
Validate with people who use this workflow before building.
Hypothesis 3
Add audio for terms to enhance learning.
Assumption to check: Lack of audio pronunciation features
Validate with people who use this workflow before building.
Hypothesis 4
Include offline mode for previously searched terms.
Assumption to check: No offline access to content
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
Top-selling dictionary app since 2008 • Every medical translation you need PLUS verb conjugations in all tenses • No internet connection required! "Provides a medical student or practitioner with a quick reference in their pocket. As far as medical terms go, this dictionary seems to be thorough. It even includes different bacterial and fungal species!" - iMedicalApps.com review "For serious language students and translators who are looking for more precision." - The New York Times Featured by Apple as "What's Hot" and "Staff Favorite" Doctors, nurses, and other medical professionals who work with Spanish and English-speaking patients need reference apps they can count on. This Spanish-English medical dictionary includes thousands of translations from Vox and much more. The verb conjugation tool has complete conjugations for thousands of verbs in all standard forms, and the number translator converts numerals into Spanish or English text instantly! MEDICAL DICTIONARY: • Over 77,000 medical entries with 147,000 common translations • Tap-and-hold any word or phrase and choose "Speak" from the popup menu to hear that word spoken using Apple's built-in text-to-speech feature. • Terms cover an extensive range of specialities including cardiology, endocrinology, immunology, obstetrics, oncology, pediatrics, psychiatry, and more" • Spanish noun genders • Smart search results in case you misspell or mistype • Search-as-you-go displays words and narrows your selection as you type VERBS: • Conjugations for thousands of Spanish and English verbs • Includes all standard tenses and forms • Smart search finds infinitives and catches misspellings • Must-have reference tool for any medical professional • On iPhone/iPod touch, conjugate a verb from the dictionary results by tapping it MORE: • Translate numerals into Spanish and English text with the number tool • Language swapper button to switch from Spanish-English to English-Spanish • Tap the history button to view the 50 most recent dictionary definitions, verb conjugations, and more in one place. Sort the list alphabetically or by date, and choose to clear the list completely or delete one entry at a time. • No internet connection required • Change your device settings to view the app display in English, Spanish, French, Italian, Portuguese, or German Dictionaries are available from Ultralingua for many languages, including combinations of English, Spanish, French, Italian, Portuguese, German, and more. See what else we have to offer by searching for Ultralingua in the Mac App Store. Also available for iPhone and iPad! Follow us on Twitter and become a fan on Facebook for app news, language learning tips, and more: http://www.twitter.com/ultralingua http://on.fb.me/ifI8Hy
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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
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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.
