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
TruthFace AI: Face Analyzer
truthface ai: face analyzer harnesses the power of artificial intelligence to analyze facial expressions and detect emotions in real-time
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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.
Build your own version
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 included16 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 TruthFace AI: Face Analyzer: 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
Implement features that allow users to share their analysis results on social media.
Assumption to check: Lack of user engagement features and social sharing options
Validate with people who use this workflow before building.
Hypothesis 2
Provide more flexible payment plans or loyalty rewards.
Assumption to check: Limited subscription options
Validate with people who use this workflow before building.
Hypothesis 3
Add a feature where users can submit feedback and share experiences.
Assumption to check: No community or feedback system
Validate with people who use this workflow before building.
Hypothesis 4
Enhance AI algorithms for better accuracy and provide sources for results.
Assumption to check: Potential inaccuracies in AI analysis
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
truthface ai: face analyzer harnesses the power of artificial intelligence to analyze facial expressions and detect emotions in real-time. this innovative app uses advanced facial recognition technology to provide insights into emotional states. with truthface ai, you can: - analyze facial expressions in real-time through your device's camera - view a stunning 3d mesh overlay that tracks facial movements - detect and identify basic emotions including happiness, sadness, anger, surprise, fear, and disgust - record sessions to analyze emotional patterns over time - get confidence ratings for detected emotions - toggle between different visualization modes perfect for psychology enthusiasts, communication students, or anyone interested in non-verbal cues, truthface ai offers a fascinating window into emotional expression. the app's sleek interface and intuitive controls make facial analysis accessible and engaging. whether you're practicing for interviews, studying emotional responses, or just curious about the science of facial expressions, truthface ai provides valuable insights through its cutting-edge facial analysis technology. please note: truthface ai requires a device with a truedepth camera (iphone x or newer) for optimal performance. this app is designed for educational and entertainment purposes only and should not be used for making important decisions. privacy is important to us – all processing happens directly on your device, and no facial data is ever stored or transmitted. download truthface ai today and explore the fascinating world of facial expressions and emotions!
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
Zustand
expo-camera
react-navigation
expo-image-manipulator
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.
