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-A-Message ™ (MMS & SMS!)
☆ Best Fake Text App in the Store! ☆
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 2.3
35 ratings · Below Average
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/
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-A-Message ™ (MMS & SMS!): 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
Allow deeper customization options for messages and templates.
Assumption to check: Limited functionality for customization of messages
Validate with people who use this workflow before building.
Hypothesis 2
Focus on quality assurance and bug fixes before release.
Assumption to check: Low user ratings due to bugs
Validate with people who use this workflow before building.
Hypothesis 3
Design a more user-friendly onboarding process.
Assumption to check: Confusing UI for new users
Validate with people who use this workflow before building.
Hypothesis 4
Expand the library of message templates to attract more users.
Assumption to check: Lack of variety in templates
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
☆ Best Fake Text App in the Store! ☆ ✔ Looks just like a real MMS/SMS! ✔ Script an entire fake conversation! This app is intended for entertainment purposes only and does not provide true MMS/SMS or texting functionality. ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ Have a MMS/SMS conversation with the president or your favorite celebrity! Fake-A-Message allows you to easily ✔ Set the name of the fake incoming text ✔ Set a picture to be sent do you ✔ Set the time that the fake text will be displayed ✔ Enter up to 50 fake scripted responses for your fake conversation ✔ Enter a time delay for the next fake response after you enter a reply ★ Generate a quick excuse on the go! ✔ Hit the Random Excuse Button and you will get a random message giving you an excuse to leave ✔ Fake-A-Message will reply affirmatively to whatever you ask it ✔ Stealthy one touch text capability ✔ Password protection to thwart snoopers ★ Download today and see why people are calling Fake-A-Message the easiest to use and most fully functional fake texting app!
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 Navigation
Zustand
react-native-gesture-handler
expo-sms
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.
