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
Funko.POP Collector By Tryvin
Catalog, filter, sort, and manage your Funko collections
$4.99
PRICE
$4.99
No in-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 1.7
3 ratings · Below Average
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 included14 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 Funko.POP Collector By Tryvin: map the core Shopping 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
Implement filters by rarity, value, and collection status.
Assumption to check: Limited search functionality that doesn't include advanced filters.
Validate with people who use this workflow before building.
Hypothesis 2
Focus on rigorous testing and debugging to enhance stability.
Assumption to check: Poor user ratings due to bugs and crashes.
Validate with people who use this workflow before building.
Hypothesis 3
Introduce social features to allow users to share and discuss collections.
Assumption to check: Insufficient community features such as sharing collections.
Validate with people who use this workflow before building.
Hypothesis 4
Integrate APIs to provide real-time pricing and rarity data.
Assumption to check: Lack of integration with external APIs for real-time value updates.
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
Catalog, filter, sort, and manage your Funko collections. Add pictures, condition, notes, voice recordings, personal details and more! —————— Features —————— - Lightning fast search - Sort by different fields - Add pictures, videos and URLs - Multiple viewing options. - Full template customization that allows you to add any extra details/fields to your collection: • Add voice notes • Take handwritten notes or sketch drawings • Track locations on the map • Choose any of the available 20 different information types like Text, Number, Photos, Videos, Handwritten Notes, Voice Recordings. (Full list below) - Offline access to your collection - Export your collection to PDF or CSV - Customizable appearance with multiple themes - Password protect your data with a pin code —————— Data types —————— Modify your collection template with any of the following data types: • Text • Number • Choices (Multiple selections) • Checkbox • Photo and video collections • Time • Date • Rating • Location • Phone Number • Email • URL • Sketches and handwritten notes • Slider • Color • Voice notes and audio recordings • Stopwatch • Lists of items • Notes
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
Redux
Axios
React Navigation
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.
