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
Clean Manager: Storage Cleaner
TIRED OF LIMITED STORAGE POPUPS?
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 4.2
13,012 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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What's included17 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 Clean Manager: Storage 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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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
TIRED OF LIMITED STORAGE POPUPS? Clean Manager is here to help you clean your storage and get free space on your phone easily. PHOTO AND VIDEO CLEANER - Search and delete duplicated photos and videos. No more similar photos, only the best ones - Delete unused screenshots - Free up space by deleting heavy photos and videos! FUN AND EASY - Swipe through your gallery effortlessly with Clean Manager’s intuitive system - Swipe left to remove unwanted photos or duplicates - Swipe right to keep what’s important for you COMPRESS YOUR LARGE FILES - Clean Manager scans your phone gallery to identify heavy photos and videos - Our compression tool helps you to save storage space by reducing your photo or video size PHONE PERFORMANCE WIDGETS - Monitor your phone’s battery, storage, and performance at a glance with Clean Manager’s widgets! - Battery, Storage or Device info Widgets AND MANY MORE FEATURES - Get rid of spam invitations in Calendar (ads) - Use Clean Manager’s smart AdBlocker in Safari ***Payment & Subscription Terms*** Clean Manager is free to download, but a paid subscription is required to unlock and use the cleaning features. Without an active subscription, these features are not available. Several subscription plans are available, from $7.99 to $49.99 depending on the plan and its duration (weekly or yearly). Prices are in USD and may vary by region. The exact price of the plan you select, in your local currency, is always displayed in the app before you confirm your purchase. Some plans include a free trial. When a free trial is offered, its length and the price charged when it ends are displayed in the app before purchase. Any unused portion of a free trial is forfeited when you purchase a subscription. Payment is charged to your Apple Account when you confirm your purchase. The subscription renews automatically for the same duration and at the same price unless auto-renewal is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours before the end of the current period. You can manage your subscription and turn off auto-renewal at any time in your Apple Account settings. With Clean Manager, your private photos and videos are safe and protected. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.quiet.app/privacy-policy
Written user reviews are not shown here. Check current App Store reviews >
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
Optimize scanning algorithms and provide progress indicators.
Assumption to check: Users report that the app can be slow to scan large storage.
Validate with people who use this workflow before building.
Hypothesis 2
Offer clearer explanations of benefits and a trial period.
Assumption to check: In-app purchase options can be unclear.
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the UI and enhance user guidance.
Assumption to check: Some users find the interface cluttered.
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to customize cleaning preferences and schedules.
Assumption to check: Limited customization options for cleaning tasks.
Validate with people who use this workflow before building.
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
React Navigation
Axios
Zustand
React Native Vector Icons
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.
