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
Speak Translator: Translate +
Tired of language barriers holding you back from meaningful connections? Speak Translator is here to change that
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.1
658 ratings · Top 30%
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.
Build your own version
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 Speak Translator: Translate +: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Tired of language barriers holding you back from meaningful connections? Speak Translator is here to change that. With support for over 200 languages, our app delivers fast, accurate translation that adapts to your every need, making global communication easier than ever before. Start using Speak Translator today and speak freely across the world! Core Features That Make Speak Translator Stand Out - 200+ Languages, Fast & Accurate: Translate between more than 200 global languages effortlessly. Get precise results in seconds, whether you’re translating a single word, a full sentence, or a conversation. - Dual Text & Voice Translation: Type in text to get instant translations with native pronunciation audio, or use voice translation—simply speak, and the app will recognize and translate your words into the target language in real time. Perfect for face-to-face conversations! - Offline Translation Available: No internet? No problem! Use offline translation even when your phone has no signal—ideal for international travel, remote areas, or when you’re trying to save data. - Built-in Common & Emergency Phrases: Travel with confidence! Access pre-loaded common phrases (greetings, dining, shopping) and travel emergency sentences. Just click to translate into any language—fast and hassle-free for urgent or daily needs. - Unlimited Use, No Subscription: Enjoy all premium features without any hidden fees, subscriptions, or paywalls. Translate as much as you want, whenever you want—completely free. Speak Translator is more than just a translator—it’s your key to exploring the world, connecting with people from different cultures, and mastering new languages. Download now and break down language barriers for good!
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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 additional machine learning models to improve translation accuracy.
Assumption to check: Accuracy of translations can vary significantly.
Validate with people who use this workflow before building.
Hypothesis 2
Expand language support to include more regional dialects.
Assumption to check: Limited language options compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance onboarding experience with tutorials and tooltips.
Assumption to check: User interface can be confusing for new users.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce an offline mode for previously translated phrases.
Assumption to check: Lack of offline functionality.
Validate with people who use this workflow before building.
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
expo-speech
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.
