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
BSDR Player
BSDR Player (Bilateral Sounds Desensitization and Reprocessing) is an application that generates bilateral beeps
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.2
8 ratings · Below Average
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 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 BSDR Player: map the core Health & Fitness 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
Include more diverse sessions and customizable lengths.
Assumption to check: Limited session variety and length options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more intuitive UI and clear navigation paths.
Assumption to check: Confusing navigation and user flow
Validate with people who use this workflow before building.
Hypothesis 3
Offer a free tier with basic features and flexible upgrade options.
Assumption to check: Subscription paywall after limited trials
Validate with people who use this workflow before building.
Hypothesis 4
Add community features for sharing progress and challenges.
Assumption to check: Lack of social features
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
BSDR Player (Bilateral Sounds Desensitization and Reprocessing) is an application that generates bilateral beeps. It is based on bilateral stimulation (a way of stimulating the brain one side at a time) and EMDR (Eye Movement Desensitization and Reprocessing). These techniques can produce a direct effect on the way the brain processes or re-processes past emotional experiences. You can use this application to aid in the treatment of traumas, process upsetting situations, disturbing thoughts, improve future performance, or simply feel better. Studies done with patients undergoing EMDR while in CAT scans have shown physiological changes in the brain that lead to adaptive changes in thinking and emotional self-regulation. "A study comparing the effectiveness of Prozac vs. EMDR showed that EMDR was more successful than Prozac in achieving substantial and sustained reductions in anxiety and depression." - The Journal of Clinical Psychiatry, January 2007
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
Victory Native
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.
