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
Face Swap - FusionFaces AI App
Future Faces - AI Reface, Video Face Swap & Photo Editor
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.6
3,271 ratings · Top 15%
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 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 Face Swap - FusionFaces AI App: map the core Graphics & Design 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 advanced AI models for better accuracy.
Assumption to check: Users may experience inaccurate face swaps.
Validate with people who use this workflow before building.
Hypothesis 2
Add editing features like cropping, filters, and effects.
Assumption to check: Limited options for editing swapped images.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image handling and processing for better performance.
Assumption to check: Occasional crashes when processing high-resolution images.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate sharing features to social media platforms.
Assumption to check: No social sharing options.
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
Future Faces - AI Reface, Video Face Swap & Photo Editor Create realistic AI face swaps in both photos and videos with Future Faces. Upload your content, tap Swap, and generate natural-looking face transformations for portraits, group photos, short videos, avatars, memes, and social media posts. • Photo & Video Face Swap: Reface both photos and videos with smooth, realistic AI results. • Fast Processing: Upload a photo or video, tap the Swap button, and get your result quickly. • Multi-Person Face Swap: Swap multiple faces in one photo, perfect for couples, family portraits, group photos, and party scenes. • Video Reface: Bring your face swaps to short clips, social videos, and creative scenes. • Creative Freedom: Use portraits, group shots, business photos, anime, cartoons, or videos to explore new looks and styles. • High Definition: Enjoy sharp, detailed outputs with professional-level quality. • Preset Templates: Access a wide variety of photography and creative templates for instant results. • Privacy First: Uploaded photos and videos are automatically deleted within 12 hours to protect your data. With just a few taps, you can create: • Video Face Swap Clips • AI Reface Videos • Professional Headshots • Dating Profile Photos • Social Media Photos & Videos • Gaming Avatars • Funny Memes • Gender Swap Looks • Movie-Inspired Character Swaps • Couple & Group Face Swaps Discover new looks, scenes, and styles effortlessly! TRY THESE FEATURES FOR FREE --- THE FUN OF FACE SWAPPING • Swap faces in portraits, group photos, and videos. • Create funny photos, memes, collages, short clips, and creative social posts. • Turn everyday photos and videos into something fresh, playful, and shareable. BOOST YOUR ONLINE PRESENCE • Make striking AI avatars for social media, dating profiles, professional headshots, and more. • Upload your favorite photo or video and generate unique content in a range of styles. • Create standout profile images, feed posts, and reface videos with just a few taps. Terms of Use: https://app.kavevo.com/apps/fusionfaces/terms Privacy Policy: https://app.kavevo.com/apps/fusionfaces/privacy Download Future Faces now and transform your photos and videos with advanced AI face swap and reface technology.
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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
Zustand
expo-image-picker
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.
