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.
From the creators of the top selling Preschool App “Monkey Preschool Lunchbox”! Join your child’s favorite monkey in math games and activities in a playfully designed beach-themed world
$1.99 · In-app purchases
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.
A product spec, screen plans, and build steps for your coding agent.
First kit free with a verified email
Combine features and design from your favorite apps.
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Generating… usually about a minute.
What should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
A product spec, phased build plan, differentiation notes, and screen references.
Illustrative example: an invoice app for independent contractors. Your kit is tailored to the app you choose; this is not its generated content.
Goal: Send a clear invoice after finishing a job.
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.
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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Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.
Rork plan preview for Monkey Math School Sunshine: 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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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
Assumption to check: Limited engagement for older kids
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Repetitive gameplay mechanics
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: In-app purchase confusion
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: Lack of social features
Validate with people who use this workflow before building.
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
From the creators of the top selling Preschool App “Monkey Preschool Lunchbox”! Join your child’s favorite monkey in math games and activities in a playfully designed beach-themed world. Monkey Math School Sunshine allows your child to build fundamental math skills while they are endlessly entertained. Your child will count, add and sort their way through engaging games with uninterrupted play. For ages 3 to 6. Praise for Monkey Preschool Games: "5/5 Stars" SmartAppsForKids.com "5/5 Stars" KidsEducationalApps.com “One of the first apps I’d get for a toddler.” BestKidsApps.com MONKEY MATH SCHOOL SUNSHINE FEATURES *9 interactive games that teach kids about sequencing, patterning, counting, adding and subtracting. *With very little interface, your child presses one button to immediately launch into uninterrupted play. *Uses Knack Technology to instinctively adjust the challenge levels to each individual player. *Irresistibly cute monkey guides the child through game play with animated celebrations for correct answers and gentle redirection for incorrect ones. *Kids collect prizes to fill their very own INTERACTIVE AQUARIUM. *Uninterrupted and unlimited play: game continues as long as the player desires. KIDS LEARN WHILE THEY PLAY: *ADD IT UP and TAKE IT AWAY Use your addition and subtraction skills to solve math problems. Trusty crab assistants supply multiple-choice options. *PATTERNS Monkey has a problem: Objects keep popping out of his bucket, creating a pattern - but one piece is missing! Help Monkey by completing the pattern with the choices provided. *SHAPES Is it an octagon? Or maybe a hexagon? Count each side of these shapes and help Monkey figure it out. *SEQUENCES Monkey has a group of numbers in the right order, but some are missing. Help him complete the sequence with the correct numbers. *LESS/MORE Monkey loves to blow bubbles, when he does, groups of shells, fish or turtles are inside each bubble! Use your expertise to figure out which bubble has either the most or least objects inside. *BIGGER/SMALLER Which bubble has the bigger number? Which bubble has the smaller one? Help Monkey figure it out by popping the correct bubble. *CONNECT THE DOTS Baby Turtle is stuck on the beach and she needs your help to get to the sea! Connect the dots to show her the way. *WRITE IT UP! Help Monkey learn his numbers by tracing them in the sand. *BUBBLE POP Monkey is running out of time! Pop all the bubbles that have either the right number or the right amount of objects inside before the time runs out! * Contact THUP! * Have some comments on our apps? We'd love to hear it! Want to find out what we're doing next? Come visit us: Email us: [email protected] Like us: http://www.facebook.com/THUPgames Follow us: http://twitter.com/THUPGames
Written user reviews are not shown here. Check current App Store reviews >
Plan a focused first version with your coding agent. These are planning assumptions, not a delivery guarantee.
Choose one audience and one core workflow. Use the kit to agree on its screens, data, and acceptance criteria before building.
Decide which secondary features, integrations, and platform support can wait. Your version does not need to reproduce everything in the original.
Validate external services, specialist technology, data access, and ongoing costs for your chosen scope.
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.