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
Powerful Clean: Phone Cleaner
Powerful Clean helps turn a crowded iPhone gallery into an easier, faster space to manage
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.3
3,458 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.
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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 included18 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 Powerful Clean: Phone Cleaner: map the core Utilities 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 advanced algorithms to improve junk file detection.
Assumption to check: App may not effectively identify all junk files.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize scanning process for faster results.
Assumption to check: Users report slow scanning times.
Validate with people who use this workflow before building.
Hypothesis 3
Add features to customize scanning preferences and settings.
Assumption to check: Limited customization options for users.
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
Powerful Clean helps turn a crowded iPhone gallery into an easier, faster space to manage. Use AI-powered cleanup tools to find duplicate photos, blurry shots, similar images, short videos, and other media that may be taking up room. Instead of scrolling through thousands of photos by hand, ask the built-in AI assistant for what you need. Search for large videos, locate screenshots, organize albums, or review cleanup suggestions in a simple guided flow. KEY FEATURES - Detect duplicate and similar photos - Find blurry, low-quality, and repeated images - Review large or unnecessary videos before deleting - Use AI assistant prompts for faster gallery cleanup - Sort media by themes, objects, moments, and locations - Free up storage without losing control of your memories PHOTO AND VIDEO CLEANER Powerful Clean is built for users who want a cleaner camera roll without the stress of manual sorting. Preview suggested items, choose what to keep, and remove only the files you approve. AI ASSISTANT FOR CLEANUP Type simple requests such as ""find large videos"" or ""show similar selfies"" and let the assistant help narrow down your clutter. It is a faster way to organize old media, screenshots, and repeated photos. PRIVACY-FIRST EXPERIENCE Your photos, videos, and personal media stay on your device. Cleanup suggestions are designed to help you make decisions, not delete content automatically. If your iPhone storage feels full or your gallery is hard to browse, Powerful Clean gives you a smarter way to organize, review, and clean up your media. Download Powerful Clean and start making space today. Terms of use: https://sites.google.com/view/powerfulcleanai/terms-of-use Privacy policy: https://sites.google.com/view/powerfulcleanai/privacy-policy
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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
Zustand
React Navigation
React Native Progress
expo-file-system
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.
