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
RBrowser pro - Private Browser
RBrowser Pro is professional screen recorder
$14.99 · In-app purchases
PRICE
$14.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.6
11 ratings · Top 15%
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/
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 RBrowser pro - Private Browser: map the core Productivity 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 more intuitive navigation flow with clear indicators.
Assumption to check: Users struggle with complicated navigation between tabs.
Validate with people who use this workflow before building.
Hypothesis 2
Add folders or tags for bookmarks to improve organization.
Assumption to check: Limited bookmark organization features.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce more customizable privacy options for users.
Assumption to check: Lack of customizable settings for privacy features.
Validate with people who use this workflow before building.
Hypothesis 4
Enable cloud sync for bookmarks and history to enhance user experience.
Assumption to check: No sync feature across devices.
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
RBrowser Pro is professional screen recorder. it is a fast、Secure and powerful AD Blocking web browser which can save web page as PDF,picture and video for the iPhone and iPad. Support user scripts --- JavaScript and Tampermonkey scripts, unlock more features Screen recording -- You can use it to record web games, website processes descriptions, functional commentary, etc. Support download files ---- videos, audios etc. Support multiple web tabs Support multiple video player, can bg Play video. The speed of Built-in player support up to 10x. Playing videos is easier and faster. DIY Screen Recording Function: 1. can only record RBrowser App or All iPad iPhone app. 2. Supports set recording video formats -- H.264 or HEVC (video file size more smaller) [product features] • Blocks the ad content automatically,making your browsing experience faster and more efficient. • Record web and making video, record your favorite • Personalized web pages, web pages can be saved as a picture or PDF document or video • Full screen browsing, give you a fresh visual experience • More faster, making your browsing experience faster and more efficient. • RBrowser comes with a QR Code Reader which can automatically recognize any QR code your camera is pointing at. • All new and User-friendly interface offers you better browsing experience. ABOUT RBROWSER Pro Email: [email protected]
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 Navigation
React Native WebView
Expo Secure Store
Axios
Redux
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.
