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
I Lost My Voice!
Lost your voice but still need to communicate? "I Lost My Voice!" is your ultimate solution, transforming your iPhone into a powerful communication tool
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
1 ratings · Top 5%
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 I Lost My Voice!: map the core Medical 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
Allow users to create and save more personalized messages.
Assumption to check: Limited message options and customization
Validate with people who use this workflow before building.
Hypothesis 2
Include a section with tips and resources for voice recovery.
Assumption to check: No voice recovery tips or resources
Validate with people who use this workflow before building.
Hypothesis 3
Implement offline access to messages and tips.
Assumption to check: Lack of offline functionality
Validate with people who use this workflow before building.
Hypothesis 4
Add functionality for sharing messages to social media or messaging apps.
Assumption to check: No social sharing options
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
Lost your voice but still need to communicate? "I Lost My Voice!" is your ultimate solution, transforming your iPhone into a powerful communication tool. Whether you're temporarily voiceless due to illness, injury, or any other reason, this app lets you express yourself clearly and quickly without saying a word. Key Features: Quick Communication: Use the pre-set phrases or add your own. Tap a button, and the app will speak for you. Perfect for situations where you need to get your point across fast. Customizable Categories: Organize your phrases into categories like Custom, General, Shopping, Food, and Travel. Tailor each category to suit your specific needs. Persistent Communication Button: A dedicated button to inform others that you’ve lost your voice and are communicating via your phone. Ideal for quick explanations. Search & Add Phrases: Easily search for existing phrases or add new ones on the fly. Your custom phrases are saved and ready for use whenever you need them. Attention-Getter: A built-in alert sound that you can activate with a single tap to get someone's attention when necessary. Easy to Edit: Long press on any phrase to edit or delete it, keeping your list relevant and up-to-date. Speech & Playback: Test phrases before saving and ensure they sound just right. Then, let the app do the talking whenever you need. Perfect For: People recovering from surgeries that impact speech. Individuals with chronic voice conditions. Those who temporarily lose their voice due to illness. Travelers who want to communicate in noisy environments. Anyone who might need an alternative way to communicate in various situations. Don't let a lost voice stop you from being heard. Download "I Lost My Voice!" today and regain your ability to communicate effortlessly.
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 Navigation
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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.
