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
SHAREit Pro
Free today with ‘App of the Day’
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
145 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 included17 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 SHAREit Pro: 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
Expand support for additional file formats and types.
Assumption to check: Limited file type support
Validate with people who use this workflow before building.
Hypothesis 2
Implement optimization techniques for faster transfers.
Assumption to check: Inconsistent transfer speeds
Validate with people who use this workflow before building.
Hypothesis 3
Simplify the UI to enhance usability and navigation.
Assumption to check: User interface clutter
Validate with people who use this workflow before building.
Hypothesis 4
Introduce customizable sharing options for users.
Assumption to check: Lack of detailed sharing settings
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
Free today with ‘App of the Day’. Transfer tool for sharing files without any mobile data, which is the choice of over 600 million users. SHAREit is a cross platform sharing tool which requires no mobile data. It’s over 200 times faster than Bluetooth. Share the photos, videos, audios and files of any formats with your friends at any time on your phone or computer. SHAREit Professional is the advanced SHAREit App. You will experience the purest form of SHAREit without ads by paying a tiny amount for this professional edition. Also, all new features developed by SHAREit team will first be available to experience in this edition. Features: [No ads] We provide you purest transfer experience without ads. [No need for internet] No need for a Wi-Fi network or a mobile data plan. Share at anytime and anywhere. [10 seconds to transfer a film] Over 200 times faster than Bluetooth. The fastest speed can exceed 20Mb/s. [Enjoy music] Enjoy the pleasant experience of listening music on SHAREit music player. [SHAREit Vault] Integrated tool for photos and videos helps you protect privacy. [Cross platform sharing] Transfer between laptops & mobiles of different kinds without obstacles. [Powerful functions] Support sending files of any format. No more cables or internet needed to transfer. Easily sharing between various devices. Site：http://www.ushareit.com/ Feedback：[email protected]
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
Axios
Expo File System
Zustand
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.
