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
EraFace AI Fictional Portraits
Explore a Fictional Past
$9.99 · In-app purchases
PRICE
$9.99
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.
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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 included15 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 EraFace AI Fictional Portraits: 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
Allow users to adjust features or styles before generating.
Assumption to check: Limited customization options for generated portraits.
Validate with people who use this workflow before building.
Hypothesis 2
Implement user profiles and a gallery to showcase creations.
Assumption to check: Lack of user community features.
Validate with people who use this workflow before building.
Hypothesis 3
Integrate sharing features for social media.
Assumption to check: No social sharing options.
Validate with people who use this workflow before building.
Hypothesis 4
Introduce multiple subscription tiers for different features.
Assumption to check: Single-tier subscription may limit access.
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
Explore a Fictional Past. Discover a Creative Reflection. Your face becomes inspiration with EraFace – AI Fictional Portraits. EraFace – AI Fictional Portraits, AI-generated historical character portraits inspired by different eras, cultures, and artistic styles. Using a single photo, the app generates a creative interpretation of what a character from another time might look like — designed purely for imagination, storytelling, and entertainment. This is not a real family photograph or ancestry analysis. It’s a visual story — a shareable, creative moment inspired by history. A Creative Historical Experience The generated portrait is your entry point into a fictional historical narrative, crafted by AI to explore imaginative backgrounds, character traits, and lifestyle themes inspired by different historical periods. What You’ll Explore Fictional Background Themes AI-generated cultural and regional inspirations presented as part of a creative narrative — not real ancestry, ethnicity, or nationality. Historical Character Story A fictional story describing an imagined region, occupation, and lifestyle inspired by historical eras. Personality & Trait Themes Creative interpretations connecting historical archetypes with modern personality themes for inspiration and fun. AI-Powered Creativity All content is generated by AI models trained on public historical references, art styles, and cultural themes to produce fictional, non-factual results intended solely for entertainment. Important Disclaimer All portraits and descriptions are fictional and generated for entertainment purposes only. The app does not analyze or determine real ancestry, ethnicity, nationality, race, religion, or personal identity. Privacy Commitment Your photo is securely processed and never shared with third parties. Premium Features (Requires Subscription or In-App Purchase) Premium access unlocks: Extended fictional character stories Additional portrait generations Expanded creative themes and styles Unlimited usage Some features require a paid subscription. Terms of Use (EULA):https://sites.google.com/view/erafaceaifictionalportraits-te/ana-sayfa
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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
axios
react-navigation
formik
shadcn/ui
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.
