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
Monkey Preschool Fix-It
Monkey Preschool Fix-It is an early learning game for ages 2 to 5 from the creators of the top ranked and award winning Monkey Preschool Lunchbox
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.8
24 ratings · Top 50%
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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Combine features and design from your favorite apps.
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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 included16 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 Monkey Preschool Fix-It: map the core Education 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 more diverse educational games covering additional topics.
Assumption to check: Limited variety of games
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and provide clearer information on benefits.
Assumption to check: In-app purchase complexity
Validate with people who use this workflow before building.
Hypothesis 3
Implement gamification elements like rewards and progress tracking.
Assumption to check: User engagement issues
Validate with people who use this workflow before building.
Hypothesis 4
Streamline UI/UX for easier navigation and interaction.
Assumption to check: Interface clutter
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
Monkey Preschool Fix-It is an early learning game for ages 2 to 5 from the creators of the top ranked and award winning Monkey Preschool Lunchbox. With surprising experiences and carefully crafted age appropriate games, Monkey Preschool Fix-It is designed to capture children’s imaginations while introducing core early learning challenges. Monkey Preschool Fix-It features: * Active tool-themed game play. Kids will help Monkey "fix-it" by hammering and sawing their way through games that revolve around number and letter recognition, shape and color identification and more. * Child friendly design: No confusing menus or navigation. * Kid safe. No advertising, No in app purchases, No personal information collected. To learn more about our privacy policy please visit http://thup.com/privacy-policy/ 6 unique games: Colors, Numbers, Letters, Shapes, Patterns and Puzzles! * Mechanic’s Matching. Monkey’s buddies are having some car trouble! Match the right parts to fix their engines and watch them zoom off with a smile. * Tap-Tap Colors. Find the nail with the right color and pound it in! * Alphabots. Power up dancing robots with letter shaped batteries. * Number Buzz. Saw the boards with the right number as quick as you can! * Rub-A-Dub-Flub. Monkey needs a bath, but the pipes are broken! Match the puzzle pieces to fix the pipes. * Tighten Up. Find the right shaped bolt and tighten it up! Wind-Up Toy Rewards! Kids earn delightfully animated cars, animals, robots, and more for their play room.
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/supabase-js
zustand
react-native-gesture-handler
react-native-reanimated
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.
