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
Fidget Trading 3D- Toy Collect
Want to collect ALL The Fidgets In The World? Then, Fidget Trading 3D is just for you!
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
183,630 ratings · Top 15%
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 should your app do differently? Your note travels with the kit so your coding agent builds around your idea.
What's included17 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 Fidget Trading 3D- Toy Collect: map the core Games 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
Expand the toy collection to include seasonal or themed toys.
Assumption to check: Limited trading options and variety of toys.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the purchase process and provide clear benefits for premium toys.
Assumption to check: In-app purchases can be confusing.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance performance to ensure smooth animations.
Assumption to check: Occasional bugs in toy animations.
Validate with people who use this workflow before building.
Hypothesis 4
Implement a cleaner UI design with better organization of features.
Assumption to check: User interface can feel cluttered.
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
Want to collect ALL The Fidgets In The World? Then, Fidget Trading 3D is just for you! Trade unique fidgets, play relaxing games. try out unique pop-its. Master reading the psychology of your opponent, Develop your trading techniques, Use notorious scam tactics or trade with honor! It all depends on you. Make profitable trades and become an expert of Fidget Toys. Play with a great number of fidgets. Are you ready to become the most relaxed fidget billionaire in the world? ▸Features: -Unique fidget toys to collect -Interact with fidget toys you own! -Different minigames to try out in “level mode” Fidgets are so relaxing and cool, they pack endless amount of fun just like Fidget Trading 3D! Can you collect ALL of the fidgets?
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
Zustand
Axios
React Navigation
Firebase
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.
