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
Total files pro
Total Files is the one stop file manager for iOS, with powerful PDF reader, cloud storage support and much more!
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.7
4,451 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/
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 Total files pro: 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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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
Include more cloud storage options like Dropbox, OneDrive, and Google Drive.
Assumption to check: Limited cloud service integrations
Validate with people who use this workflow before building.
Hypothesis 2
Simplify the navigation to improve user experience.
Assumption to check: Confusing navigation structure
Validate with people who use this workflow before building.
Hypothesis 3
Implement advanced search filters and sorting options.
Assumption to check: Lack of a powerful search feature
Validate with people who use this workflow before building.
Hypothesis 4
Offer a more attractive subscription model with a longer trial period.
Assumption to check: High premium cost with limited trial
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
Total Files is the one stop file manager for iOS, with powerful PDF reader, cloud storage support and much more! Total Files supports DropBox, Google Drive, OneDrive and iCloud Files and offers iOS Files app integration to download and upload to any cloud from any app! You'll not need to install a separate app for each storage provider that you want to use from your device! Link all cloud accounts in Total Files and enjoy the full integration with iOS. For example, thanks to the iOS “Files” integration, you can directly save files to one of the cloud linked in Total, simply using the "Save in files” feature available in any apps on your device. Virtual folders allows to group files that come from different sources (cloud or local). The Spotlight indexing of all local contents allows to immediately find and open the file you're looking for, without opening the app! Our powerful PDF viewer offers annotation capabilities and automatically recognise common shapes and gestures to highlight paragraph Main features: - iOS 11 Files app integration for ALL clouds linked to the app in read write mode. - Supports Dropbox, GDrive, OneDrive, iCloud services for remote file storage. - Search between all contents in the app and in the linked cloud storages thanks to the advanced search - Compression and decompression features (zip) - Spotlight indexing - PDF editor with annotation, shape recognition - Simultaneous linking of multiple Cloud accounts and management of folders shared with other users. - Bookmarks and history management. - URL autocomplete - Quick search bar, and enhanced search within all cloud and local files. - PIN to hide and secure folders. - Multi-tab browser
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.
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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.
