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
Picture in Picture for Safari
Picture in Picture for Safari is a powerful Safari extension that brings Picture-in-Picture (PiP) mode to all your favorite web video platforms
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 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 Picture in Picture for Safari: map the core Social Networking 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 a better video management system with playlists.
Assumption to check: Users find it difficult to manage multiple videos at once.
Validate with people who use this workflow before building.
Hypothesis 2
Add features like playback speed control and video quality selection.
Assumption to check: Limited customization options for video playback.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize video rendering to improve performance on various devices.
Assumption to check: Inconsistent performance on lower-end devices.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce a download feature for offline viewing.
Assumption to check: Lack of offline functionality.
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
Picture in Picture for Safari is a powerful Safari extension that brings Picture-in-Picture (PiP) mode to all your favorite web video platforms. Whether you're multitasking on macOS, iOS, or iPadOS, this extension makes it effortless to float videos over your workspace, without compromising privacy or performance. Features: · Enable Picture-in-Picture: Activate PiP for any web video by clicking the Safari extension icon. · Works across web video streamers: Compatible with YouTube, Netflix, Amazon Prime Video, Hulu, and more. · Shortcut to enable: Use a handy keyboard shortcut to trigger PiP instantly while browsing. · Seamless Safari integration: Designed to work flawlessly within Safari on macOS, iOS, and iPadOS. · Privacy-first design: We don’t collect or track any data. Your browsing stays completely private. · Multilingual support: Enjoy the extension in multiple languages for an inclusive global experience. · Clean, user-friendly UI: Lightweight, modern interface that fits naturally into Safari’s native design.
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
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.
