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
Documents
Documents - by SavySoda™
$4.99 · In-app purchases
PRICE
$4.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 4.5
4,493 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 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 Documents: 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
Implement better categorization and filtering options.
Assumption to check: Users report difficulty in navigating large numbers of files
Validate with people who use this workflow before building.
Hypothesis 2
Optimize file handling and loading times.
Assumption to check: App can be slow when handling large files
Validate with people who use this workflow before building.
Hypothesis 3
Add more sharing functionalities across different platforms.
Assumption to check: Limited sharing options compared to competitors
Validate with people who use this workflow before building.
Hypothesis 4
Allow users to adjust viewing settings or themes.
Assumption to check: Lack of customization in viewing documents
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
Documents - by SavySoda™ • Take your documents anywhere • • Downloaded by over 50 MILLION iOS users • • Now with full latest iOS, Watch, Widget, iCloud Support • WE ARE MAKING DOCUMENTS THE ABSOLUTE CHEAPEST FULL OFFICE & DOCUMENTS MANAGEMENT SUITE FOR THE IPHONE! now everyone can have full documents functionality on their iPhone and iPad! Introducing the iPhone's only light weight mobile office suite and file manager. This essential application allows you to edit and manage spreadsheet, text, and image files on your iPhone. Works both online and offline. You can transfer files between your iCloud, Google Docs and Dropbox accounts; and you can transfer files to your PC or Mac using USB and WiFi. Created files can be opened using Microsoft Word and Excel, Open Office, Numbers, and all major office suites. Works with Dropbox™ Works with Microsoft OneDrive™ Works with Google Drive™ INCLUDES • iSpreadsheet (a premier spreadsheet app) • Text Editor (to edit basic text) • File Manager (browse and manage your files) • Google Sync (to upload/download documents) • Dropbox (manage dropbox files) • Instant Email (send those files to your boss) BONUS EXTRAS • Photo Album (a easier way to organize photos) FEATURES • Smooth User Interface • Portrait & Landscape mode • Full support for .txt and .csv files • Limited support for .doc, .xls files via Google Docs • Google upload & download • Created files can be opened in Microsoft Excel, Word, Apple Numbers, TextEdit, Notepad, Openoffice & all leading office suites. • Create, View & Manage Photos and Documents • Works anywhere online or offline. • Spreadsheet supports formulas, formatting, resizing, and all basic spreadsheet features. • Beautiful UI. • Free updates SOME USES • Lightweight office work on the run • Backup of documents • Quick access to spreadsheets, notes, memos • Basic word processing • Pocket Spreadsheet COMING SOON - Support for more file types - Additional functions & features iPhone Office Apps http://www.savysoda.com/Documents/
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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.
SUGGESTED BUILD STACK
React Navigation
Expo Image Picker
React Native Camera
Async Storage
Redux
React Query
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.
