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
Gossip Harbor®: Merge & Story
Welcome to Gossip Harbor
Free · In-app purchases
OVERALL US RANK
#11
Grossing · all categories
REVENUE (Est)
$2.9M/mo
$1.7M - $4.1M
RATING
★ 4.6
203,353 ratings · Top 15%
Evidence scope: #11 is the current overall US Grossing chart position. 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
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
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Add to a Remix
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.
What's included17 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 Gossip Harbor®: Merge & Story: map the core Games 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
Introduce varied game mechanics and levels to keep players engaged.
Assumption to check: Monotony in gameplay can lead to user boredom
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more user-friendly ad strategy, such as rewarded ads.
Assumption to check: Frequent ads disrupt gameplay experience
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the purchasing process and clearly outline benefits of items.
Assumption to check: In-app purchases can be confusing
Validate with people who use this workflow before building.
Hypothesis 4
Regularly update with new stories and challenges to enhance user retention.
Assumption to check: Limited story content can reduce replay value
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
Welcome to Gossip Harbor Follow Quinn Castillo as her picture perfect life on Brimwave Island crumbles around her. Divorce, sabotage and secrets. Help answer the question everyone's thinking: Who's trying to ruin her life? Merge flavorful dishes, restore and decorate Quinn's restaurant and watch the mystery unfold. But who can you trust in Brimwave? Whip Up Tasty Dishes Serve coffee, sandwiches, seafood, and a range of other dishes, to your customers. The more you play, the more dishes you’ll find to add to your menu! Restore the Restaurant Rebuild and design the best beach restaurant around! Choose the flooring, wallpaper and furniture to restore restaurant to its former glory! Build Relationships Converse with customers and hang out with old friends. Or explore the possibility of a new budding romance. Catch up on the Gossip You'll renovate and merged to reveal clues, and uncover hidden secrets of the residents on Brimwave Island. And perhaps even unveil the Castillo's hidden secrets… Enjoying Gossip Harbor? Learn more about the game on our Facebook Fan Page! https://www.facebook.com/GossipHarbor Need help? Contact us by sending an email to [email protected] We're here to help you! Privacy Policy: https://www.microfun.com/privacy_EN.html Terms of Service: https://www.microfun.com/userAgreementEN.html
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
react-query
@react-native-async-storage/async-storage
react-native-reanimated
react-navigation
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.
