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
Tam Listen
Tam Listen is for people who collect files
$6.99 · In-app purchases
PRICE
$6.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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 Tam Listen: map the core Utilities 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
Enhance user support features and feedback mechanisms.
Assumption to check: Limited user feedback and support options
Validate with people who use this workflow before building.
Hypothesis 2
Incorporate machine learning for improved accuracy.
Assumption to check: Potential difficulty in sound recognition accuracy
Validate with people who use this workflow before building.
Hypothesis 3
Add sharing capabilities for identified sounds.
Assumption to check: No social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize settings and notifications.
Assumption to check: Lack of customization options for 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
Tam Listen is for people who collect files. Lectures, interviews, live recordings, talks, audiobooks, and music you already own. **Play What You Own** Tam Listen plays your local and cloud-imported files without conversion. If you have it, you can listen to it. **Supports Audio + Video Containers** Play common audio formats and video containers in one unified listening experience, including MP4 and MOV content where listening is the primary use case. **Built for Serious Listening** - Variable playback speed (0.5x to 2x) - Configurable skip intervals (5/10/15/30 seconds) - Sleep timer presets and end-of-track mode - Per-file position memory - Auto-play next file in a directory **Organize Large Libraries** - Projects for research and learning collections - Search across files and directories - Manual reordering of projects, directories, and files **Music Mode** Collect live shows, concert recordings, bootlegs? Music mode gives you a dedicated player with shuffle, repeat, and track-based navigation instead of timestamp scrubbing. **Deep iOS Integration** - Lock Screen, Control Center, and Dynamic Island controls - Picture in Picture support - AirPlay output - CarPlay browsing and playback controls **Cloud + Device Flexibility** Import from Files and connected cloud providers. Offload files to save storage and restore later while preserving progress. **Supported Formats** Audio: MP3, M4A, M4B, AAC, WAV, AIFF, FLAC, OGG, CAF, Opus Video containers: MP4, M4V, MOV, MKV (listening supported) Built for people who take listening seriously.
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
Zustand
expo-av
react-navigation
@react-native-async-storage/async-storage
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.
