App Overview

Watchlist+Shopping icon

Watchlist+Shopping

James Hattin · Shopping

WatchList + Shopping puts your grocery list on your Apple Watch, so you can shop hands-free

$0.99 · In-app purchases

PRICE
$0.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
5.0
4 ratings · Top 5%

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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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.

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.

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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Quick prompt

> SELECT BUILD PLATFORM:

Good fit for mobile-first iOS and Android prototypes with managed app scaffolding.

// RORK SYSTEM PROMPT
Rork plan preview for Watchlist+Shopping: map the core Shopping 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 categorization and tagging features for better organization.

Assumption to check: Users often face difficulties in managing multiple watchlists.

Validate with people who use this workflow before building.

Hypothesis 2

Streamline the checkout process with fewer steps and auto-fill options.

Assumption to check: Checkout processes can be complicated and lengthy.

Validate with people who use this workflow before building.

Hypothesis 3

Introduce personalized product suggestions based on user behavior.

Assumption to check: Product discovery can be overwhelming without personalized recommendations.

Validate with people who use this workflow before building.

Hypothesis 4

Integrate more payment methods like Apple Pay and Google Pay.

Assumption to check: Limited payment options can frustrate users.

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

WatchList + Shopping puts your grocery list on your Apple Watch, so you can shop hands-free. No more fishing your phone out of your pocket in the middle of the frozen food aisle. Just glance at your wrist, tap to check items off, and keep moving. WHAT MAKES IT DIFFERENT Most apps are free because your attention (and your data) is what they're actually selling. WatchList + Shopping costs $0.99 once. That's it. No subscription. No ads. No tracking. Your shopping list is your business, and we'd like to keep it that way. We don't even have servers to store your data on. Everything lives in your personal iCloud account. IPHONE + APPLE WATCH Build your list on iPhone. Check items off hands-free on Apple Watch. Changes sync both ways in real time. SHARE WITH FAMILY Tap the share button and send a link via Messages or AirDrop. Everyone on the list can add items and check them off in real time. Great for making sure everyone gets their items onto the list. QUICK START Tap a store you've shopped before and the app fills your list with the items you usually buy there. Uncheck what you don't need and go. No more rebuilding the same list every week. LIST MERGE Two lists for the same store? Swipe right and merge them into one. Duplicates are skipped automatically. STORE COLORS Every store gets its own color. On the main screen, inside the list, everywhere. Pick from the full color wheel to make it yours. BARCODE SCANNING Point your camera at any product barcode. The item name is looked up automatically and added to your list. SMART SUGGESTIONS Start typing and the app suggests items from your history. Re-add the same things you buy every week in seconds. IMPORT ANY LIST Paste text or photograph a handwritten list. The app reads it and adds items, skipping duplicates. DRAG TO REORDER Arrange items in aisle order. Arrange lists in whatever order you want. Your custom order syncs to Apple Watch. LOCK SCREEN WIDGET See your item count right on your lock screen. Tap to jump straight in. SIRI AND SHORTCUTS "Hey Siri, add oat milk to my shopping list." Works with the Shortcuts app too. WORKS OFFLINE Your lists are stored on your device. iCloud syncs in the background when you have a connection, but the app works fine without one. Same goes for Apple Watch. PRIVACY No account to create. Just sign in with the iCloud you already have. No analytics, no tracking, no third-party SDKs phoning home. We don't know how many times you open the app or what you buy, and we don't want to. ONE-TIME PURCHASE $0.99. All features included. Every future update included. No subscription, no in-app purchases, no upsells. Supports Family Sharing, so you buy once and your whole family gets it too.

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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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Expo
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Axios
Zustand
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.