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
Web Blocker - block web pages
Web Blocker is an amazing tool that helps you to block your web pages access with PIN code through Safari browser
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.7
3 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 Web Blocker - block web pages: 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
Implement customizable blocking features, like scheduling or temporary blocks.
Assumption to check: Limited functionality for blocking sites compared to competitors.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the UI for easier navigation and clarity.
Assumption to check: Cluttered interface that can confuse users.
Validate with people who use this workflow before building.
Hypothesis 3
Provide comprehensive guides and support within the app.
Assumption to check: Lack of user support and documentation.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance the reliability of the blocking mechanism with regular updates.
Assumption to check: Inconsistent performance in blocking sites.
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
Web Blocker is an amazing tool that helps you to block your web pages access with PIN code through Safari browser. ( base on new Safari Extensions ) Using Web Blocker, you can protect your personal privacy from the eavesdroppers. All the chosen websites will be blocked with PIN code. You can also arrange the specific time to active your block. Follow 4 easy steps to use Web Blocker: 1. Open Safari Extensions -> Web Blocker 2. Open Settings to establish your PIN code and time schedule. 3. Fill the URL of the website you want to block 4. The chosen webs will be blocked immediately Featues - PIN code included 4 numbers - Time schedule of days and specific time period. - Webpages which protected by PIN code BE MINDFUL that : We do not save your PIN code or webpages that you use in Web Blocker in any other system to protect your personal privacy, so make sure to remember your PIN code or write it down in case you forget. After you access your PIN code, the webpage will remain unblocked for a moment of time. PURCHASE RIGHT AWAY with ONLY 1.99$ to use this fantastic tool to keep your web pages safe from the eavesdroppers.
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
AsyncStorage
React Navigation
Zustand
React Native Reanimated
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.
