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.
Read Tracker is a simple way to read more—one session at a time.
$2.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
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Combine features and design from your favorite apps.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Read Tracker: map the core Books workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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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
Assumption to check: Users often struggle with tracking their reading habits effectively.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in categorizing books by genre.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Limited social features to share progress.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of personalized recommendations.
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Read Tracker is a simple way to read more—one session at a time. Reading doesn’t need pressure, streak anxiety, or complicated goals. Read Tracker keeps the focus where it belongs: opening a book and spending time reading. Whether it’s five minutes or an hour, every session is captured and turned into clear, meaningful insight. Track your reading time Use stopwatch or timer modes to log every reading session. Pause and resume anytime. Go past your goal—tracking continues so nothing is lost. Add optional notes to capture thoughts or highlights. See your progress clearly A completely redesigned Stats experience gives you a deeper look at your reading: • View reading time across weeks, months, and years • Tap charts to explore the actual data behind your progress • Track streaks, total time, and days read • See books finished by month, year, or all time • Understand your patterns with averages and trends Sync across your devices Your reading data stays with you. With iCloud sync, your sessions, books, and progress automatically stay up to date across your devices. Organize your reading life Keep track of what you’re reading and what you’ve finished. Add ratings and notes, and revisit your reading history anytime. Everything stays clean, simple, and easy to navigate. Calm, focused design Read Tracker is designed to feel warm, simple, and intentional. A clean interface with soft, neutral tones keeps distractions out of the way so you can focus on reading. Privacy first No accounts. No tracking. No data collection. Your reading stays private and under your control. One-time purchase Pay once and own it forever. No subscriptions, no ads, no upsells.
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.