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
Emoji 3 PRO - Color Messages - New Emojis Emojis Sticker for SMS, Facebook, Twitter
► BIG EMOJIS
$0.99 · In-app purchases
PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.2
15 ratings · Below Average
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 included17 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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Quick prompt
Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
// RORK SYSTEM PROMPT
Rork plan preview for Emoji 3 PRO - Color Messages - New Emojis Emojis Sticker for SMS, Facebook, Twit: map the core Shopping 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
Regularly update the emoji library and introduce new categories.
Assumption to check: Limited emoji selection and updates
Validate with people who use this workflow before building.
Hypothesis 2
Implement a breadcrumb navigation to help users track their location.
Assumption to check: Confusing navigation within categories
Validate with people who use this workflow before building.
Hypothesis 3
Optimize image loading and caching for better performance.
Assumption to check: Slow load times for emoji images
Validate with people who use this workflow before building.
Hypothesis 4
Add features like user reviews and social sharing options.
Assumption to check: Lack of user engagement 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
► BIG EMOJIS Emojis with giant size!!! ► COLOR MESSAGES Colorize your text message bubbles ► EMOJI WORDS Create huge words that are completely built with Emojis. ► SPECIAL ICONS Keyboards with lots of different unicode symbols ► STICKERS Lots of different Smiley sticker ► TEXT STYLES For example: Ⓖⓞⓞⓓ ⓜⓞⓡⓝⓘⓝⓖ ► ASCII WORDS Create words with huge letters ► JAPANESE EMOJIS (=^・^=) Have a look at the screenshots to get an idea of these cool features ツ DESIGNED FOR • iPhone • iPod Touch • iPad With retina graphics for all devices FREE UPDATES • There will be lots of free updates in the future that will bring you more functionality. Enjoy this great and helpful App ㋡
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
Supabase
Zustand
React Navigation
Axios
BUILD KIT DIFFICULTY
Intermediate
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.
