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
Moonnova: Stories & Webnovels
Somewhere in Moonnova, a story is waiting to become your new obsession.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.4
473 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.
Build your own version
Build Kit
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A product spec, screen plans, and build steps for your coding agent.
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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
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/
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 Moonnova: Stories & Webnovels: 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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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Somewhere in Moonnova, a story is waiting to become your new obsession. Explore irresistible characters, complicated relationships, dramatic secrets, and unexpected worlds across romance, fantasy, werewolf stories, and more. Discover Stories Worth Falling Into Explore books for every reading mood. Browse featured stories, reader favorites, trending titles, and different genres until a cover, character, or irresistible premise pulls you in. Your Bookshelf, Ready When You Are Keep the stories you love in one place. Save new discoveries, organize your personal bookshelf, and return to the books you are currently reading without losing your place. Make Every Page Feel Like Yours Create a reading style that suits you. Adjust the font, text size, and page color to make every chapter more comfortable and every reading moment more personal. Watch Your Reading Journey Grow Reading is more than finishing books. Journey automatically turns your reading activity into a personal footprint. Sometimes, you read to escape for a while. Sometimes, you read to find something new. And sometimes, you simply want to return to a story that feels familiar.Moonnova is made for all of those moments. A place to discover stories, keep the ones you love, and make reading part of your everyday rhythm. Your next story is waiting. Open Moonnova and start reading. Support: [email protected] Privacy Policy: https://www.nifykit.com/moonnova/privacy.html Terms of Service: https://www.nifykit.com/moonnova/terms.html
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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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
Validate with people who use this workflow before building.
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
Supabase
RevenueCat
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.
