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
FTPManager Pro
FTPManager Pro is a fully featured FTP client that allows you to access files on FTP servers
$2.99 · In-app purchases
PRICE
$2.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
1,040 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 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 FTPManager Pro: 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
Allow users to manage and switch between multiple connections seamlessly.
Assumption to check: Limited support for multiple FTP connections
Validate with people who use this workflow before building.
Hypothesis 2
Integrate advanced features like file preview, bulk actions, and folder management.
Assumption to check: No advanced file management features
Validate with people who use this workflow before building.
Hypothesis 3
Provide a clear comparison of free vs premium features to enhance user understanding.
Assumption to check: Premium features are not clearly defined
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the UI and improve onboarding to guide users better.
Assumption to check: User interface can be confusing
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
FTPManager Pro is a fully featured FTP client that allows you to access files on FTP servers. Directly access and manage remote files, edit text files. Stream videos and music to your iPhone/iPad. Transfer files between iPhone/iPad and FTP server. FEATURES: * Access FTP, FTPS (FTP over TLS) server. * Access SFTP (SSH) server * Access Dropbox * Copy, move, rename and delete files. * Edit text files * Stream music and videos from FTP server to iPhone/iPad. * Sort and search files * In-App FTP Server * Dark Mode * Multiple windows on iPad * File Transfer: Copy files among servers, cloud storages, iPhone and iPad. Copy photos between iOS photo library and servers. Backup photos from iOS photo library to servers. Sync files between iPhone/iPad and servers. Transfer files by drag and drop. Nearby file transfer: Directly transfer files between two nearby iOS devices without Wi-Fi or LTE connection. * Text Editor: Show line numbers Syntax highlighting (HTML, JavaScript, CSS, Swift etc) Full text search * Supported File Formats: Text: TXT, PHP, HTML, JS, CSS ect. Document: PDF, WORD, EXCEL, PPT, PAGES, NUMBERS, KEYNOTE, EPUB Photo: JPG, PNG, GIF, CR2, NEF, ARW, DNG etc. Music: MP3, AAC, AIFF, WAV, FLAC, APE etc. Video: MOV, MP4 Follow us on twitter: @SkyjosApps
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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.
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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.
