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
Genmoji: AI Emoji Maker - Mix
● CREATE EMOJIS & STICKERS WITH AI
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
8,000 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
Make this idea yours
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Add to a Remix
Combine features and design from your favorite apps.
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Make it yours Optional
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/
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 Genmoji: AI Emoji Maker - Mix: 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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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
● CREATE EMOJIS & STICKERS WITH AI ● 1,000,000+ EMOJIS CREATED ● JOIN 2+ MILLION USERS CREATE EMOJIS WITH AI: • Text to Emoji: describe your idea and get a unique emoji in seconds • Image to Emoji: turn your photos into emojis and stickers • Emoji Mix: pick a base emoji and mix it with others into something new • Live Activities & Dynamic Island: generation keeps running in the background STICKERS: • 30,000+ stickers, organized in packs • New detail view with similar-sticker suggestions • Save your favorites and share them in any chat DISCOVER & COLLECT: • Discover tab: hand-picked packs and trending creations • Global search: search all content categories at once • My section: all your creations, likes, and packs in one place HUGE CONTENT LIBRARY: • 1,000,000+ emojis created with Emoji AI by our community • Thousands of emoji artworks and emoji combos • 40+ unique fonts for your messages • Free picks: selected emojis and stickers to use and share for free WORKS WITH ALL YOUR APPS: • WhatsApp, iMessage, Messenger, Instagram, Signal, Telegram & more DESIGNED FOR: • iPhone & iPad SUBSCRIPTION: • Unlock all features & content • Manage or cancel anytime in your App Store account Payments are charged to your Apple ID at purchase confirmation. Subscription renews automatically unless canceled at least 24 hours before the end of the current period. The account is charged for renewal within 24 hours before the end of the current period. Manage/cancel in your App Store account settings. Privacy policy: https://emoji-apps.com/Apps/SMS_Smileys/terms_and_privacy/privacy_policy.html Terms of Use: https://emoji-apps.com/Apps/SMS_Smileys/terms_and_privacy/terms.html Discover the best way to create your own emojis and stickers for WhatsApp, iMessage, Instagram, and more! Emoji AI Generator for iPhone. Download now for free and start creating! ...../)-/) ....(* oo\.... .../ .( ._. ).... ../o /uu ./O/ /o/ 0/
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 features and customizable elements in the emoji creation process.
Assumption to check: Limited customization options for emojis.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a more subtle or user-friendly approach to monetization.
Assumption to check: In-app purchase prompts may disrupt user experience.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image loading and caching for smoother performance.
Assumption to check: Performance issues when loading large emoji packs.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate more sharing platforms and options for users.
Assumption to check: Limited sharing options for created emojis.
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.
SUGGESTED BUILD STACK
React Native
Expo
React Navigation
Zustand
react-native-gesture-handler
@react-navigation/native
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.
