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
LISTENING DEVICE - HEARING AID
LISTENING DEVICE + SOUND AMPLIFIER 4 Music & Video + CAPTION CALL + Customized for the Hard of HEARING
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
1,506 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.
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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 included19 files
A product spec, phased build plan, differentiation notes, and screen references.
- START_HERE
- AGENTS
- EVIDENCE
- SPEC
- BUILD_PLAN
- DIFFERENTIATION
- skills/
- screens/
Preview a sample Build Kit No email needed
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 LISTENING DEVICE - HEARING AID: 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
Provide more granular controls for users to adjust audio settings.
Assumption to check: Limited customization for audio settings
Validate with people who use this workflow before building.
Hypothesis 2
Implement device-specific optimizations for better audio quality.
Assumption to check: Inconsistent audio performance across devices
Validate with people who use this workflow before building.
Hypothesis 3
Enhance accessibility options for visually impaired users.
Assumption to check: Lack of accessibility features
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the onboarding process with guided tutorials.
Assumption to check: Complex navigation for new users
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
LISTENING DEVICE + SOUND AMPLIFIER 4 Music & Video + CAPTION CALL + Customized for the Hard of HEARING ◆Listening Device delivers powerful sound amplification for clearer everyday hearing ◆Enhance speech clarity ◆Reduce background noise ◆Fine-tune audio for headphones & Bluetooth devices ◆Live transcription for calls & conversations NEW FEATURES: ◆► Personalized Sound for Video & Music Watch videos with enhanced volume directly in-app. Uses your personalized hearing profile for optimized clarity, with additional settings to fine-tune the sound depending on the content. ◆► Live Transcription Transcribe speech in real-time – even with your screen locked. Perfect for continuous note-taking during meetings, lectures, or conversations. ◆► Transcribe from Saved Files Transcribe your recordings or import audio files from Google Drive, Dropbox, iTunes, or local storage. Perfect for capturing meetings, lectures, or personal notes. FEATURES: ► Voice Recorder & Volume Booster Amplify sound up to 30 dB with any headphones or Bluetooth devices. ► Three Sound Amplification Modes Choose from three distinct sound amplification options to tailor your listening experience to different environments and preferences, ensuring optimal audio clarity and volume. ► Health & Wellness Integrated with HealthKit to monitor hearing health. Use our hearing test for tailored sound enhancement. ► Included Hearing Test Offers a built-in hearing test to customize the app's sound amplification settings to your unique hearing profile, enhancing your listening experience. ► Noise Reduction Remove background noise for clearer listening. Includes a microphone for crystal-clear audio capture. ► Hearing Aid Compatibility Works as a hearing amplifier and live listen tool for improved hearing. ► Speaker & Headphone Volume Booster Enhance speaker and headphone volume for louder, clearer sound. ► Dynamic Sound Amplification Adjusts to your hearing needs, amplifying quiet sounds without overwhelming volume. ► Bluetooth & Wired Headset Support Optimal performance with Bluetooth headsets and AirPods*. ► Hearing Correction Personalized for each ear, adapting to various environments for optimal hearing. ADDITIONAL FEATURES: ◆ LIVE BACKGROUND TRANSCRIPTION – Capture speech automatically, even from your pocket or with the screen off. ◆ REMOTE MICROPHONE via smartphone with Bluetooth headset for enhanced TV listening. ◆ SUPER BOOST for powerful sound amplification. ◆ CUSTOM PROFILES for different listening environments. ◆ ADVANCED NOISE SUPPRESSION for speech clarity. ◆ AUDIO RECORDER with personalized sound amplification. Subscription Options: Weekly, monthly, or annual access to all app functions. Subscription Details: Auto-renewal unless canceled 24 hours before the end of the current period. Manage subscriptions in Account Settings after purchase. Compatible with iOS devices, charges to iTunes account. Disclaimer: Not a medical device. Audiometric tests are for app personalization, not for medical diagnosis. Note: Bluetooth use may introduce delay. Echoing possible. Background transcription requires microphone access and may impact battery life. Terms of Service: https://dectone.pro/site/terms Privacy Policy: https://dectone.pro/site/policy
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
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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.
