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
ThemeMate DIY Themes & Widgets
Transform your iPhone and iPad with stunning customization
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.6
18,287 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's included18 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 ThemeMate DIY Themes & Widgets: map the core Graphics & Design 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
Allow more advanced customization tools such as layering and effects.
Assumption to check: Limited customization options for themes.
Validate with people who use this workflow before building.
Hypothesis 2
Implement a sharing feature to easily export and share themes.
Assumption to check: Difficulties in sharing themes with others.
Validate with people who use this workflow before building.
Hypothesis 3
Optimize the app for better performance across a wider range of devices.
Assumption to check: Inconsistent performance on older devices.
Validate with people who use this workflow before building.
Hypothesis 4
Include onboarding tutorials to guide users through theme creation.
Assumption to check: Lack of user tutorials or guides.
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
Transform your iPhone and iPad with stunning customization. ThemeMate is the premier DIY design studio, giving you the power to craft personalized DIY wallpaper themes, custom icons, and interactive widgets. From exclusive icon makers to adorable virtual pets, ThemeMate turns your device into a canvas for your creativity. ### THE DIY ZONE – YOUR DESIGN STUDIO Stop searching for themes and start making them! Our DIY tools are built for creators: - DIY Wallpaper Themes: Create stunning backgrounds using your own photos with aesthetic filters and layouts. - Icon Maker & Changer: Design custom app icons from scratch to match your wallpaper for a 100% unified look. - Custom Theme Creator: Design unique widgets and themes to express your style in one place. ### COMPLETE AESTHETIC MAKEOVER Explore our professionally curated collections for a quick refresh: - 2000+ Icon Packs: Trendy designs for all your favorite social and system apps. - Coordinated Themes: One-click installation for wallpapers, icons, and widgets. - Live Wallpapers: Dynamic backgrounds that bring your screen to life. - High-Quality Theme Pack: Explore a massive library of ready-to-use styles for every season. ### WIDGETS & VIRTUAL PETS Add functionality and fun to your Home and Lock Screens: - Virtual Pet (Pet Animation): Add an adorable virtual pet that moves and interacts with you on screen! - Functional Widgets: Choose from clock, calendar, weather, photo, and battery widgets. - Charging Effects: Enjoy impressive 3D animated effects and sounds when you plug in. ### WHY CHOOSE THEMEMATE? - User-Friendly: No design skills required for pro-level DIY wallpaper themes. - Fresh Content: New DIY assets, pet animations, and themes added weekly. - Performance: Optimized to be battery-friendly and fast for iPhone and iPad. Design your dream device today. Download ThemeMate and let your creativity shine! ### SUBSCRIPTION INFORMATION - Unlock all premium DIY tools, pet animations, and aesthetic assets. - Choose between Lifetime or Annual plans. Terms: https://gearvn-trading-ltd.web.app/terms_of_service.html Privacy: https://gearvn-trading-ltd.web.app/privacy_policy.html
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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
Zustand
React Navigation
Expo Image Picker
BUILD KIT DIFFICULTY
Advanced
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.
