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
FidiKetabi
Introducing FidiKetabi, the ultimate EPUB reader for iOS! Immerse yourself in the world of digital books and unlock a captivating reading experience with our feature-rich application.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.0
1,759 ratings · Top 30%
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 FidiKetabi: 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
Focus on stability and user bug feedback.
Assumption to check: Frequent crashes and bugs reported by users
Validate with people who use this workflow before building.
Hypothesis 2
Implement a personalized algorithm based on user preferences.
Assumption to check: Limited personalization options for news feed
Validate with people who use this workflow before building.
Hypothesis 3
Offer more free content to retain users.
Assumption to check: In-app purchase requirements for premium content
Validate with people who use this workflow before building.
Hypothesis 4
Optimize data fetching and caching for faster access.
Assumption to check: Slow load times for 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
Introducing FidiKetabi, the ultimate EPUB reader for iOS! Immerse yourself in the world of digital books and unlock a captivating reading experience with our feature-rich application. FidiKetabi seamlessly opens and reads EPUB files, providing a customizable and immersive reading experience. With a range of innovative features, including highlighting and note-taking capabilities, night mode, and various reader options, you can tailor your reading experience to perfection. Key Features: Upload EPUB file from your device Support arabic language Bookmark page TOC (table of content) Vertical and horizontal paging Search on book text Highlight and Note Night Mode Typeface selection Adjustable line height Unlock the joy of reading with FidiKetabi. Download now and embark on a captivating reading adventure like never before.
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.
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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.
