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
M Storage Cleaner
Fed up with cluttered, duplicate, and forgotten photos and videos taking up space on your iPhone?
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 3.7
3 ratings · Top 50%
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 included15 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 M Storage Cleaner: map the core Business 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
Expand file type support for a wider range of unnecessary files.
Assumption to check: Limited file types supported for cleanup.
Validate with people who use this workflow before building.
Hypothesis 2
Optimize scanning algorithm for faster results.
Assumption to check: Inconsistent performance during scanning.
Validate with people who use this workflow before building.
Hypothesis 3
Add onboarding tutorial to guide users through features.
Assumption to check: No user guidance for first-time users.
Validate with people who use this workflow before building.
Hypothesis 4
Enhance settings with customization options for notifications and scanning frequency.
Assumption to check: Limited settings options.
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
Fed up with cluttered, duplicate, and forgotten photos and videos taking up space on your iPhone? M Storage Cleaner is here to help! New Core Feature: Smart Cleaning With your photo library permission, our app uses advanced AI technology to scan and identify duplicate and similar photos on your phone, accurately filter screenshots, videos, and Live Photos. Your messy media library will be organized in an instant, freeing up a lot of valuable storage space! ● Intuitive Result Display: Scan and filter results are presented in a clear and intuitive way, helping you quickly decide which files to keep or delete. ● Safe Deletion Mechanism: Deleted files are temporarily stored in Apple's system "Recently Deleted" folder. If you delete by mistake, you can easily recover them in the system Photos app within 30 days, ensuring data security. Original Feature Highlights In addition to the powerful cleaning function, M Storage Cleaner also offers: ● HD Wallpaper Library: A variety of high - definition wallpapers to add personality to your phone screen at any time. ● Selected Resources: Carefully chosen images and sound effects to meet your creative and entertainment needs. Download M Storage Cleaner now and experience an efficient and intelligent iOS storage management solution!
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
@react-navigation/native
react-native-async-storage
expo-permissions
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.
