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
The Little Mermaid Stickers
Go under the sea with these 21 new stickers for iMessage inspired by Disney’s The Little Mermaid
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.4
5 ratings · Top 30%
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/
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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 The Little Mermaid Stickers: map the core Entertainment 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 add new stickers and seasonal updates to keep content fresh.
Assumption to check: Limited sticker variety and updates
Validate with people who use this workflow before building.
Hypothesis 2
Implement a recommendation system based on user preferences.
Assumption to check: Difficult to discover new stickers
Validate with people who use this workflow before building.
Hypothesis 3
Expand sharing options to include social media platforms and messaging apps.
Assumption to check: Inadequate sharing options
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to create and upload their own stickers.
Assumption to check: No ability to create custom stickers
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
Go under the sea with these 21 new stickers for iMessage inspired by Disney’s The Little Mermaid. Make a splash alongside Ariel and her sidekicks; Sebastian, Flounder, Scuttle; her dad, King Triton; the lovable Prince Eric; the iconic Disney villain, Ursula; and make the nostalgic lyrical music, a part of your world. Download the pack now and watch The Little Mermaid only in theaters May 26. Stickers Include: - Ariel Singing on the Rock - Dinglehopper - Ariel Singing - Isn't it Neat? - Ariel, Sebastian, and Flounder Hug - Ariel and Prince Eric - Ursula Plotting - Ursula Laughing - Ursula Meh - Prince Eric and Max Hug - King Triton Rainbow - Sebastian Suspicious - Flounder Wave - Scuttle What? - Scuttle and Sebastian Peek - Sebastian and Flounder Frightened - Flotsam and Jetsam Swimming - Sebastian Dance - Part of that World - Life is the Bubbles - The Little Mermaid Logo Privacy Policy - https://disneyprivacycenter.com Terms of Use - https://disneytermsofuse.com Your US State Privacy Rights: https://privacy.thewaltdisneycompany.com/en/current-privacy-policy/your-us-privacy-rights/ Do Not Sell or Share My Personal Information - https://privacyportal-de.onetrust.com/webform/64f077b5-2f93-429f-a005-c0206ec0738e/de88148a-87d6-4426-95b1-ed444dd53281
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
React Navigation
AsyncStorage
Axios
Styled Components
BUILD KIT DIFFICULTY
Starter
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.
