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
Activate Your Voice
Improve your speaking voice with Activate Your Voice - a professional speech warm up that only takes 5 minutes
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
331 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.
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included17 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 Activate Your Voice: map the core Business 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 a wider range of exercises and personalized plans.
Assumption to check: Limited exercise variety leading to user boredom
Validate with people who use this workflow before building.
Hypothesis 2
Enhance the progress tracking features with intuitive visualizations.
Assumption to check: Difficulty in tracking progress effectively
Validate with people who use this workflow before building.
Hypothesis 3
Introduce AI-driven feedback based on user performance.
Assumption to check: Inadequate user feedback on exercises
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the subscription options and provide clearer benefits.
Assumption to check: Confusing subscription model
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
Improve your speaking voice with Activate Your Voice - a professional speech warm up that only takes 5 minutes. This exercise series strengthens the speaking voice, energizes resonance, enhances breath support, and invigorates articulation and enunciation. Use it anytime, anywhere to speak like a pro with more confidence, power, and clarity. * Designed by communication experts. * Great for business professionals, teachers, sales people, English language learners, actors, voice-over performers, and anyone who wants a stronger, clearer, more confident and authoritative speaking voice. * Easy-to-use with animation and audio to guide you. * Exercises improve diction, breath support, projection, and pitch. * Clear, simple instructions. * Perfect to use before any speaking engagement. * Make it your daily voice improvement workout routine.
Written user reviews are not shown here. Check current App Store reviews >
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 Native Charts Wrapper
BUILD KIT DIFFICULTY
Starter
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.
