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
BetterCast - Podcast Player
BetterCast is built for people who truly love podcasts
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.9
29 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 included18 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 BetterCast - Podcast Player: map the core News 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 personalized recommendations and trending topics.
Assumption to check: Limited podcast discovery options
Validate with people who use this workflow before building.
Hypothesis 2
Add download functionality for offline playback.
Assumption to check: No offline listening capabilities
Validate with people who use this workflow before building.
Hypothesis 3
Enhance navigation with clearer UI cues and prompts.
Assumption to check: In-app navigation can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Integrate sharing options for episodes and podcasts to social media.
Assumption to check: Lack of social sharing 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
BetterCast is built for people who truly love podcasts. Fast, intuitive, and completely ad-free, BetterCast helps you listen your way with powerful features and a beautiful design across Apple devices. Created by heavy podcast listeners, BetterCast is designed from the ground up to make every part of podcast listening smarter, smoother, and more enjoyable. Key Highlights: ◆ 100% Ad-Free Experience No banner ads, no in-app interruptions. Just podcasts. Note that individual episodes may still contain ads embedded by their creators. ◆ Beautiful, Intuitive Design A clean interface that feels simple for beginners and powerful for advanced listeners. ◆ Advanced Playback Controls Adjust playback speed, skip silence, browse chapter markers, use episode notes, and enjoy full artwork previews, plus more. ◆ On-Device Transcription for Any Podcast Get local transcripts with privacy in mind, then take action with smart controls: skip sections, stop playback, or jump intros using keyword-based rules. ◆ Powerful Playlist Customization Build highly personalized playlists by filtering episodes by keywords, topic, duration, and more. ◆ Detailed Listening Insights Track playback statistics and review storage usage with clear, helpful analytics. ◆ Deep Apple Ecosystem Integration Designed for iPhone, iPad, Apple Watch, and iMessage for a seamless Apple-native experience. Discover even more inside the app. Download BetterCast and level up your podcast listening. Terms of Use: This app is governed by Apple's standard End User License Agreement (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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
Axios
React Navigation
expo-av
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.
