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.
Welcome to Game of FLIP!
$4.99 · 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 Game of FLIP: 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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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 variety of challenges may become repetitive.
Validate with people who use this workflow before building.
Hypothesis 2
Assumption to check: Difficulty in finding friends to challenge.
Validate with people who use this workflow before building.
Hypothesis 3
Assumption to check: Lack of social features such as chat.
Validate with people who use this workflow before building.
Hypothesis 4
Assumption to check: In-app purchases for premium challenges can be confusing.
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.
Welcome to Game of FLIP! This game is played on your own or with your friends! Game of FLIP contains games to play on an actual trampoline such as: Game of FLIP & Game of ADD. The app also contains an auto-renewable subscription (called the exclusive club) which you may purchase through an In-app purchase. This subscription provides you with monthly updated video content from famous flippers, they will challenge you to do tricks in short and fun videos! It also comes with Flipdex, you can test yourself based on 30 tricks after which you will get a certificate with a score on how good you are. Add your own custom trick lists and lastly it contains an easter egg that you will get after tapping 1M times! The subscription costs $4,99 per month which is auto-renewed and can be canceled within the settings on your iPhone. Game of FLIP & Game of ADD is free after you get the app. Game of FLIP is designed to give flippers from all skill levels a chance to have fun in a game of FLIP. In Game of FLIP you will find a Practice Mode and a Multiplayer Mode. Both modes are equipped with 4 different levels: Easy, Medium, Hard and Expert. In Game of FLIP, the game chooses a randomized trick for you, which makes sure all playershave an equal chance to win! Easy Mode is the easiest mode in the game. In this difficulty you will find very simple tricks which every person who loves flipping can play, with tricks varying from a handstand to the first backflip combo. Medium Mode has the first challenging combos for people that already master the basics of flipping. In this difficulty you’ll find creative combos and the first double flips. Hard Mode is for the people that really have been passionate about flipping for a long time. In this difficulty you will find double flip combos, twisting tricks in different trick styles, and if you are lucky (or unlucky) your first triple flips. Extreme Mode is the hardest mode, for when Hard Mode is too easy for you, try this one if you think you belong to the best flippers in the world! -------------Practice Mode------------- Practice Mode is the single player version of a game of FLIP. This single player mode is made specially for you, so you can challenge yourself in a game of FLIP even when your friends aren’t around! In Practice Mode you can choose your own difficulty that fits your skills. The app will give you randomized tricks that fit the difficulty you choose, with unlimited rounds! In every round it is your challenge to succeed the trick that the app randomizes for you! If a trick is successful, you click on the ‘Success’ button which will bring you to the next round. If a trick is failed, you click on the ‘Fail’ button which will automatically add a letter of the word ‘FLIP’ to your name. Once the full word ‘FLIP’ is reached, the game will end. The game will show you how many rounds you have successfully passed. Be honest with yourself and try to beat your own high scores! Good luck and play safe! -------------Multiplayer Mode------------- Multiplayer Mode is where you challenge your friends in a game of FLIP! You play this game mode with a minimum of 2 players and a maximum of 4 players. Once you have filled in the playernames, you are asked to choose a difficulty. Choose your own difficulty that fits your skills and start playing! Every round the game chooses a trick which all players need to execute. If the trick is successful, you click on the ‘Success’ button. If the trick is failed, you click on the ‘Fail’ button. Clicking on the ‘Fail’ button will automatically add a letter of the word ‘FLIP’ to your name. After all players have clicked on the ‘success’ or ‘fail’ button, the game will continue to the next round. Once the full word ‘FLIP’ is reached for one or multiple players, the game is over. The game tells you what’s next for the lost player(s)! Good luck and play safe! For our Terms of Service and Privacy Policy, please visit: www.gameofflip.com.
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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.