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
Facetune: Photo & Video Editor
Welcome to Facetune, where every photo hits.
Free · In-app purchases
OVERALL US RANK
#55
Grossing · all categories
REVENUE (Est)
$547K/mo
$310K - $784K
RATING
★ 4.6
377,280 ratings · Top 15%
Evidence scope: #55 is the current overall US Grossing chart position. 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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What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included18 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 Facetune: Photo & Video Editor: map the core Photo & Video 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
Offer more free filters and adjustments to retain users.
Assumption to check: Limited free features compared to premium offerings.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image processing for faster edits.
Assumption to check: Slow performance with high-resolution images.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify subscription tiers and provide clearer benefits.
Assumption to check: Subscription model can be confusing for users.
Validate with people who use this workflow before building.
Hypothesis 4
Ensure uniform design and interactions across all screens.
Assumption to check: Inconsistent user interface across different features.
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
Welcome to Facetune, where every photo hits. Your camera captures the moment. Facetune makes it unforgettable. From quick touch-ups to full transformations, we've built the tools that let you show up exactly how you want. ‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿ Key Features: Retouch & Refine: * Smooth: Achieve a natural, flawless complexion by removing blemishes and imperfections instantly. * Reshape: Subtly enhance your features with precise, natural-looking adjustments. * Whiten: Brighten your smile and make your teeth look their best (works on sneakers too). Style & Transform: * Hairstyles: Try 20+ styles — from Sleek Bun to Butterfly Cut to Glam Blowout — without touching a single strand. * Beard & Hair: Try on Stubble, Hipster, Goatee, Long Beard, and more with editing that actually looks real. * Makeup: Apply virtual makeup for a full glam look with zero commitment. Pro-Level Editing: * Headshots: Turn any photo into a polished, professional headshot in seconds, powered by AI. * Filters & Looks: Instantly set the mood with curated filters and one-tap presets. * Remove & Vanish: Erase unwanted objects, backgrounds, or photobombers seamlessly. * Lighting: Get studio-quality light in every shot with precision lighting tools. Enhance & Polish: * Enhance: Automatically upgrade your photo's quality with a single tap. * Color Correction: Correct and elevate colors for a vibrant, polished finish. * Video Editing: All your favorite tools to perfect your reels and short-form content. ‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿‿ Why Facetune? Because you deserve photos that match the vision. Whether you're a creator, a professional, or someone who just wants to look good — Facetune gets it done. No experience needed, no excuses. Download. Edit. Post. Repeat. Terms of use: https://static.lightricks.com/legal/terms-of-use.pdf Privacy policy: https://static.lightricks.com/legal/privacy-policy.pdf
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
react-navigation
expo-image-picker
expo-file-system
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.
