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
Watch Faces by Facer
Explore 500,000+ Apple Watch faces with Facer, including thousands of free designs and officially licensed brands like Fallout, Star Trek, Tetris, Pac-Man, and more!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
57,285 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.
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 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 Watch Faces by Facer: map the core Lifestyle workflow, choose the smallest differentiated feature set, define the data and monetization boundaries, then prototype the riskiest user journey first.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Explore 500,000+ Apple Watch faces with Facer, including thousands of free designs and officially licensed brands like Fallout, Star Trek, Tetris, Pac-Man, and more! From classic analog styles and fitness dashboards to playful characters, pop culture favorites, and artistic designs, Facer helps you personalize your Apple Watch like never before. Find the perfect watch face for every style, mood, and occasion — or create your own and share it with the world. OFFICIAL WATCH FACES FROM ICONIC BRANDS Discover officially licensed watch faces featuring: Fallout • PAC-MAN • Tetris™ • Star Trek • Call of Duty • Ghostbusters • Street Fighter • Frida Kahlo • Popeye • Teenage Mutant Ninja Turtles • Hot Wheels • Dungeons & Dragons • The Smurfs • SpongeBob SquarePants • and many more. New brands, artists, and collections are added regularly. EXPLORE EVERY STYLE • Analog Watch Faces • Digital Watch Faces • Hybrid Watch Faces • Health & Fitness Watch Faces • Data-Rich & Utility Watch Faces • Entertainment Watch Faces • Character & Pop Culture Watch Faces • Artistic & Creative Watch Faces • Sports Watch Faces • World Time & Astronomy Watch Faces • Seasonal & Event Watch Faces • Luxury-Inspired Watch Faces WHY MILLIONS CHOOSE FACER • 500,000+ handcrafted watch faces • The world's largest watch face collection • Officially licensed brands and characters • Thousands of free watch faces • New watch faces added every day • Watch faces created by real artists and designers • Personalized watch faces for every style • Premium watch faces and exclusive collections • Multi-platform compatibility across Apple Watch, Wear OS, and more • Easy watch face discovery, customization, and sharing CREATE YOUR OWN WATCH FACES Want something truly unique? Use Facer Creator at facer.io/creator to design your own watch faces and share them with the world. No coding required. Join a global community of creators and showcase your designs to millions of smartwatch users. THE ULTIMATE APPLE WATCH CUSTOMIZATION APP Facer makes it easy to: • Customize your Apple Watch • Personalize your smartwatch • Discover new watch faces • Find official branded watch faces • Explore fitness, sports, artistic, and utility designs • Create and share your own watch faces • Express your style directly from your wrist MULTI-PLATFORM SUPPORT Facer supports Apple Watch and other leading smartwatch platforms, allowing your favorite watch faces to follow you as you upgrade devices. QUICK SETUP FOR APPLE WATCH 1. Install the Facer app on your iPhone 2. Ensure Facer watch app is installed on your Apple Watch 3. Browse thousands of free and premium watch faces 4. Tap ‘Send to watch’ on your favorite face 5. Apple Watch app on your iPhone will open and add the face to your list of faces there and then set it on your Apple Watch (*Note: the face may appear blank/black in the Apple Watch iPhone app until you close and reopen that app after the face downloads) SUPPORT Questions, suggestions, or need help? Visit help.facer.io or contact [email protected] If you're enjoying Facer, we'd greatly appreciate an App Store review! CONNECT WITH FACER Official website: www.facer.io Community Forum: community.facer.io Instagram / X / Snapchat / Tiktok / Youtube: @facer_io Reddit: /r/Facer LEGAL Terms of Service: www.facer.io/terms Privacy Policy: www.facer.io/privacy
Written user reviews are not shown here. Check current App Store reviews >
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 customizable elements and features for creating unique designs.
Assumption to check: Limited customization options for watch faces.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize image loading and caching for smoother performance.
Assumption to check: Frequent crashes during image loading.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the subscription process and make pricing clearer.
Assumption to check: In-app purchase process can be confusing.
Validate with people who use this workflow before building.
Hypothesis 4
Add social sharing options to showcase user-created watch faces.
Assumption to check: Lack of social sharing features.
Validate with people who use this workflow before building.
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.
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BUILD KIT DIFFICULTY
Expert
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.
