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
ExtentWorld: Social & Dating
ExtentWorld has 3 fun worlds covering all your social needs:
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 5.0
2 ratings · Top 5%
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 included17 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 ExtentWorld: Social & Dating: map the core Social Networking 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 gamification features and rewards for user interactions.
Assumption to check: Limited user engagement and retention.
Validate with people who use this workflow before building.
Hypothesis 2
Implement AI-driven moderation tools to enhance user safety.
Assumption to check: Difficulties in moderating content.
Validate with people who use this workflow before building.
Hypothesis 3
Clarify subscription benefits and provide better onboarding for payment features.
Assumption to check: In-app purchase confusion.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance privacy controls and provide transparent data usage policies.
Assumption to check: Privacy concerns among users.
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
ExtentWorld has 3 fun worlds covering all your social needs: 1) EXTENTWORLD DATING: Trusted Affordable Online Dating. It is a fun and safe way to meet real local singles and find your romantic love. As ExtentWorld Dating prioritizes safety and privacy, your dating profile is protected from being seen by your coworkers, friends, or family if they connect with you on ExtentWorld. Only verified users can use ExtentWorld Dating. 2) EXTENTWORLD PUBLIC SOCIAL: Beyond Free Social Media. It is a space for you to have fun, earn money and do all things in public, whether you want to join video chats, make new friends, explore new places, sell/buy stuff, or advertise your products and services, etc. 3) EXTENTWORLD PRIVATE SOCIAL: Private Social Network. It is dedicated to your friends and family. Your communication with them deserves a truly private space. Across all three worlds on ExtentWorld are features that prioritize data privacy and security, including: 1) Secure video meeting, which is end-to-end encrypted by default. It's the highest level of security. No one can spy on your video chats, not even ExtentWorld! 2) No tracking, No personalized ads! You own your data. We never track you across other apps and/or websites. We never use your private information to push sponsored contents. 3) Account verification by video selfie with voice, which is the strongest verification feature ever used for online dating and social media. ExtentWorld also offers several features for your convenience, fun, and monetization such as: 1) Monetize your photos and videos on ExtentWorld Public Social 2) Monetize your video chat rooms on ExtentWorld Public Social 3) Discuss on public forums by place 4) View and connect with real people by place 5) Record audio and post it everywhere where you can post text, such as posts on your profiles and forums, comments, and chats 6) Delete your chat messages 7) Edit chat messages within 24 hours of sending 8) Upload multiple videos at once 9) Select multiple uploaded videos at once to share .... If you have signed up for ExtentWorld and experience any technical issue, please email us at [email protected] so we can help you soon.
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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.
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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.
