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
Clarity Reader for Safari
Clarity Reader for Safari makes every webpage easier to read
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 Clarity Reader for Safari: 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
Provide more font styles and background colors.
Assumption to check: Limited customization options in existing reader apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement better organization features such as folders.
Assumption to check: Difficulty in managing favorites
Validate with people who use this workflow before building.
Hypothesis 3
Introduce a full-screen mode with minimal UI.
Assumption to check: No distraction-free mode in many apps
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to save articles for offline reading.
Assumption to check: Lack of offline access to saved articles
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
Clarity Reader for Safari makes every webpage easier to read. One tap removes clutter and turns articles into clean, simple text that is easier on the eyes. Control fonts, spacing, and themes so every page looks the way you want. Clarity Reader works on almost any site and loads instantly. No ads. No tracking. Just clean reading. Key Features • One tap to activate clean reading mode • Removes ads, popups, sidebars, and distractions • Light, sepia, and dark themes • Adjustable font size, line height, and page width • Smooth, fast performance on all sites • Simple toolbar for quick controls • Settings are saved automatically • Optimized for iPhone and iPad • Private and secure Perfect for • Reading long articles • Night and low light reading • Staying focused without visual noise • Small screens where clutter is worse • Anyone who wants a cleaner browsing experience Clarity Reader gives you a better way to read on Safari. Install it, enable the extension, and enjoy a cleaner web with one tap.
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
react-navigation
expo-web-browser
react-native-slider
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.
