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
MovIsland: Widgets & Wallpaper
Transform your iPhone home screen, lock screen and Dynamic Island with our all-in-one customization toolkit - MovIsland.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 4.3
6 ratings · Top 30%
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.
First kit free with a verified email
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Combine features and design from your favorite apps.
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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 included
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.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
Transform your iPhone home screen, lock screen and Dynamic Island with our all-in-one customization toolkit - MovIsland. Discover abundant widgets, vivid animations, stylish wallpapers and practical countdown tools to create a unique look for your device. -Dynamic Island Animations Browse a huge selection of exquisite effects for Dynamic Island. We support both inner and outer island animations. Enjoy gorgeous visual scenes whether you stay in the app or use other applications. Cool charging animations are also available to light up your charging experience. -Diverse Widgets for Screens A wide range of widgets for home screen and lock screen are ready for you. Choose different styles of clock, battery and functional widgets. It features transparent design, liquid glass and rich color matching to fit all your aesthetic tastes. -Exclusive Work Countdown Set your working hours freely and view the off-work countdown anytime. Adjust widget size and style as you like. Combine beauty and practicality to bring convenience to your daily work. -Massive Wallpapers Collection Thousands of static and live wallpapers are updated constantly. You can find all kinds of popular aesthetic designs here to match your personalized setup. -Easy DIY Customization Adjust widget layout, style and details with simple steps. No complicated settings required. Fully compatible with the latest iOS systems and iPhone devices. Start to customize your exclusive iPhone screen now! -Payment will be charged to iTunes Account at confirmation of purchase. -Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period. -Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Privacy Policy：https://secouth.com/island01/privacy.html Terms of Use : https://secouth.com/island01/terms
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
