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
Fake Funny Whats Chat
Simulate and pretend to have fake chats and prank chats with created messages.
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
3 ratings · Top 50%
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 included14 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 Fake Funny Whats Chat: map the core Entertainment 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
Provide a broader library of templates and customization features.
Assumption to check: Limited templates and customization options
Validate with people who use this workflow before building.
Hypothesis 2
Enhance visual design and interactivity.
Assumption to check: User interface is not very engaging
Validate with people who use this workflow before building.
Hypothesis 3
Integrate more social sharing options and easy export.
Assumption to check: Lack of social sharing features
Validate with people who use this workflow before building.
Hypothesis 4
Ensure a smooth and clear purchasing experience.
Assumption to check: In-app purchase issues
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
Simulate and pretend to have fake chats and prank chats with created messages. Create fake chats for WhatsApp! Enjoy with your friends! Prank Chats! Create and pretend fake chats with your friends, even with your girlfriend or boyfriend! Your boss will now believe you missed work because you were sick! :) fake funny whats chat :) In a simple and easy way, you can create fake chats identical to the ones from the most used chat app at the moment. The trolling fun is ensured! New: Now you can send big emojis !!! :) Key Features - Realistic user interface - Unlimited chats - Configurable each side of chat - Fake chat to prank your friends - Fake WhatsApp chat - It's recommended for jealous lover crisis :) - You can create chats with any person you want. - You can create screenshots identical to the chat app and your friends might not tell the difference. - You can control the two sides of the chat. - You can change status as “last seen”, "online" and "writing". - You can change messages' status as “seen", “received" and "sent". Download the most realistic fake funny whats chat app now for free! Disclaimer: This app is not affiliated in any way with WhatsApp Inc. Its made for entertainment purposes only.
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.
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BUILD KIT DIFFICULTY
Starter
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.
