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
Cleaner Master:ai cleaner
"Cleaner Master – Smart Storage Cleaner
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.7
5,589 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 included16 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 Cleaner Master:ai cleaner: map the core Productivity 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
Provide clearer visualizations and explanations.
Assumption to check: Users often find it hard to understand storage analysis results.
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the paywall and clearly outline features.
Assumption to check: In-app purchases can be confusing and poorly presented.
Validate with people who use this workflow before building.
Hypothesis 3
Expand toolset and provide more options.
Assumption to check: Limited tools for cleaning up storage.
Validate with people who use this workflow before building.
Hypothesis 4
Optimize scan algorithms for better performance.
Assumption to check: Some users report performance issues during scans.
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
"Cleaner Master – Smart Storage Cleaner Cleaner Master simplifies digital hygiene with AI-assisted cleaning. Keep your device clutter-free by systematically removing redundant content, optimizing storage allocation, and preserving meaningful data – all through intuitive workflows. Free Up Storage Space and Enhance Phone Efficiency Cleaner Master provides essential tools to help you manage device storage Core Cleaning Features 1. Duplicate Media Cleanup Photo & Video Scanning: Identifies files with identical file sizes and creation dates One-Tap Removal: Deletes confirmed duplicates after user review Storage Saved Counter: Shows recovered space after each cleanup 2. Media Quality Management Blurry Detection: Flags potentially out-of-focus images for review Low-Resolution Filter: Finds images below minimum quality thresholds 3. Storage Space Recovery Large File Finder: Lists files over size thresholds Category Breakdown: Shows storage usage by photos, videos, apps, etc. Organization Tools 1. Contact Management Duplicate Detection: Finds contacts with identical names or numbers Merge Function: Combines duplicate entries while preserving details Backup Option: Exports contacts before modification 2. Calendar Maintenance Past Event Cleaner: Identifies completed calendar entries 3. Photo Organization Daily Flashback: Shows photos taken on the same date in previous years Subscription & Terms Unlock unlimited access with one of the following options: • Weekly Subscription • Yearly Subscription Subscriptions auto-renew unless canceled at least 24 hours before the end of the current period. Any unused portion of a free trial will be forfeited once a subscription starts. Privacy Policy: https://www.byte-sweep.com/PrivacyPolicy.html Terms: https://www.byte-sweep.com/TermsUse.html"
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
Chart.js
Axios
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.
