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
R2GO
r2go – your cloudflare r2 bucket manager, in your pocket.
$3.99 · In-app purchases
PRICE
$3.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
N/A
No ratings yet
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/
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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 R2GO: 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
Simplify the workflow with a clear single-action button.
Assumption to check: Users often find task management apps too complicated.
Validate with people who use this workflow before building.
Hypothesis 2
Include customizable settings and themes.
Assumption to check: Lack of personalization options.
Validate with people who use this workflow before building.
Hypothesis 3
Enhance sharing options for results on social media.
Assumption to check: Inadequate sharing features.
Validate with people who use this workflow before building.
Hypothesis 4
Provide a detailed history log with timestamps for better tracking.
Assumption to check: Limited history tracking.
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
r2go – your cloudflare r2 bucket manager, in your pocket. r2go turns your iphone into a powerful r2 dashboard: browse files, preview images, upload in seconds, and stay on top of storage costs, all with a beautiful ui that feels right at home on ios. ––––– pain free setup. guided onboarding wizard collects your access key, secret, account id & bucket once, then locks them securely in the ios keychain. optional face id / touch id lock keeps prying eyes out. need to move fast? import your creds from .env, .ini, .plist, or .yaml in one tap. browse like a native files app instant folder navigation, blazing-fast search and pull-to-refresh. thumbnails, file type icons, and intelligent grouping make huge buckets effortless to skim. grid or list layout—switch anytime. live image & gif previews tap any image to view it full-screen (webp & heic included). download to photos, rename, move, or delete right from the preview. generate public or time-limited pre-signed links for easy sharing. smart uploads pick photos or files, r2go converts and signs a secure aws sigv4 request in the background. see real-time progress and cancel mid-flight if you change your mind. share extension lets you upload directly from photos, files, or safari without opening the app. usage & cost tracking storage meter shows gb used vs. free-tier allowance. class a/b operation counters estimate monthly spend in your local currency. set a custom baseline so r2go matches your cloudflare billing cycle perfectly. haptic-polished, totally modern ui cloudflare orange accents, sf symbols, dark-mode ready. one-handed swipe gestures, pull-to-refresh, hold-to-reveal safety curtain for credentials. subtle haptics confirm every critical action. privacy first r2go never sends your credentials anywhere but cloudflare. all keys live in apple’s secure keychain, and every network call is direct from your device to r2. ––––– whether you host a photo blog, back up game assets, or just need to check a bucket on the go, r2go gives you the speed of a native app and the freedom of cloudflare r2, anywhere, anytime.
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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
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zustand
expo-sharing
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.
