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
Katys Cloud Characters Spotter
Point your camera at a cloud and watch Katy's imagination bring it to life!
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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 included15 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 Katys Cloud Characters Spotter: 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
Introduce new characters through updates or user-generated content.
Assumption to check: Limited character variety can bore users quickly
Validate with people who use this workflow before building.
Hypothesis 2
Enable sharing spotted characters on social media.
Assumption to check: Lack of social features reduces engagement
Validate with people who use this workflow before building.
Hypothesis 3
Implement a points or badges system to encourage continued play.
Assumption to check: No clear rewards system for spotting characters
Validate with people who use this workflow before building.
Hypothesis 4
Add interactive tutorials to guide new users.
Assumption to check: The app lacks comprehensive tutorials
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
Point your camera at a cloud and watch Katy's imagination bring it to life! Katy's Cloud Characters Spotter is a magical app for kids that uses Katy's imagination to find hidden animals and characters inside real clouds. Every cloud becomes an adventure! HOW IT WORKS: Tap "Scan Cloud" Point your camera at a cloud in the sky and take a picture Or choose a cloud photo from your library Watch as Katy's imagination discovers which animal is hiding inside See your cloud magically transform into that character! FEATURES: Katy's imagination identifies the shape hiding in your cloud Over 100 cloud characters to discover - animals, sea creatures, fantasy creatures and more! Save your magical cloud characters to your photo library Share your discoveries with family and friends Magical sound and reveal with every scan Works on iPhone and iPad DISCOVER OVER 100 CHARACTERS: From cuddly pandas and roaring T-Rexes to graceful mermaids and mighty dragons - every cloud scan reveals something new and surprising! With characters ranging from adorable farm animals to robots and dolphins. There is something for every boy and every girl! INSPIRED BY THE BOOK SERIES: Katy's Cloud Characters Spotter is inspired by the magical world of Piper Johnson's beloved children's book series KATY IN THE CLOUDS. Visit piperjohnsonbooks.com to explore Katy's adventures! PERFECT FOR: Kids ages 0-10 Boys and girls alike Family outdoor activities Sparking imagination and creativity Nature walks, picnics, and road trips Anyone who loves to look up at the clouds! Every cloud tells a story - what will yours reveal?
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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
expo-av
react-native-gesture-handler
expo-image
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.
