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
Adult Friend Flirt App: XFun
Welcome to XFun, the original and discreet dating app to meet new people.
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
23,646 ratings · Top 15%
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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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 Adult Friend Flirt App: XFun: map the core Lifestyle 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
Implement robust verification processes for users.
Assumption to check: Limited user verification leading to potential fake profiles
Validate with people who use this workflow before building.
Hypothesis 2
Enhance messaging with read receipts and notifications.
Assumption to check: Inconsistent messaging features can lead to missed connections
Validate with people who use this workflow before building.
Hypothesis 3
Implement a balance of ads and premium features to improve user experience.
Assumption to check: Overwhelming ads disrupt user experience
Validate with people who use this workflow before building.
Hypothesis 4
Use advanced algorithms for better match recommendations.
Assumption to check: Difficulty in finding compatible matches
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 XFun, the original and discreet dating app to meet new people. With the XFun app, you can make friends for adult dating and wild fun. XFun isn't just another dating app — it's the place for the bold, the curious, and the unapologetically fun. Are you tired of endless swiping with no real spark? Are you looking for a little adventure? Or maybe something wild, real, and unexpected? XFun app brings together everything you love — all in one place. Meet like-minded people nearby, spark real chemistry, and explore exciting possibilities. No pressure, just pure fun. This isn't just dating, this is XFun. Why Would Someone Want Casual Dating? If you have been through a serious relationship and are not looking for a new romantic attachment, then this online dating community is the right place for you. XFun members are not looking for romantic involvement; they want to avoid emotional baggage and are looking for raw pleasure. With our adult app, all members are free to enjoy casual fun, relaxing chats, and adult lucky dating. Why is XFun The Best Choice for You? XFun is a casual-style dating app for enjoying dates, making friends, and meeting new people. The core features are totally free. You can like, flirt, or super-like someone as you wish. With this dating app, you can easily find friends nearby and meet up with them. The messaging system is completely free. Obviously, your chance of finding genuine local people is much higher with XFun than with any other similar dating apps and sites. Besides, all your personal information, including contacts, addresses, photos, etc., is secured with XFun. We promise that we never sell or rent your personal information to any third party. You are totally safe with XFun! By joining us, you help make XFun a more vibrant and welcoming place for everyone. We're excited to have you here! Here are our Privacy Policy and Terms and Conditions: https://www.xpalapp.com/terms.html https://www.xpalapp.com/privacy.html If you have any questions, contact us at [email protected].
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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
Supabase
Zustand
React Navigation
Firebase
BUILD KIT DIFFICULTY
Expert
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.
