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
Upper – S3 Shortcuts
Take Control of S3 Storage – Right from Shortcuts
$2.99 · In-app purchases
PRICE
$2.99
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 Upper – S3 Shortcuts: map the core Developer Tools 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 create custom actions and shortcuts.
Assumption to check: Limited shortcut customization options
Validate with people who use this workflow before building.
Hypothesis 2
Implement a guided onboarding process with tooltips.
Assumption to check: Poor user guidance and onboarding
Validate with people who use this workflow before building.
Hypothesis 3
Provide graphs and charts to visualize S3 usage.
Assumption to check: Lack of data visualization for storage usage
Validate with people who use this workflow before building.
Hypothesis 4
Include a broader range of S3 actions and integrations.
Assumption to check: Limited support for different S3 actions
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
Take Control of S3 Storage – Right from Shortcuts Whether you're a cloud expert or just exploring S3-compatible storage, Upper makes it effortless to: • Create, list, and delete buckets • Check if buckets/files exist • Upload, download, list, and delete files • Change ACL for buckets and files Why You’ll Love Upper • Compatible with AWS S3, Cloudflare R2, Scaleway, MinIO (with TLS), Hetzner, and other S3-compatible providers • Fully integrated with the Apple Shortcuts app • One-time purchase – no subscriptions, no in-app purchases • Privacy-friendly – only opt-out, anonymized telemetry to improve the app • Clean, minimal UI that stays out of your way Getting Started is Easy 1. Install Upper 2. Add and configure your S3 endpoints in Upper 3. Open the Shortcuts app → tap “Add Action” → search for “Upper” 4. Choose your desired S3 action, select an endpoint – done! Happy automating!
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.
