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
Wrist for GroupMe
WristMe lets you send and receive GroupMe messages from your Apple Watch !
$1.99 · In-app purchases
PRICE
$1.99
In-app purchases
BUSINESS MODEL
Paid
No overall Grossing estimate available
RATING
★ 3.7
631 ratings · Top 50%
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 included16 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 Wrist for GroupMe: map the core Social Networking 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 polls, reactions, and more interactive elements.
Assumption to check: Limited user engagement features compared to other messaging apps
Validate with people who use this workflow before building.
Hypothesis 2
Implement a smart notification management system.
Assumption to check: Notifications can be overwhelming
Validate with people who use this workflow before building.
Hypothesis 3
Provide enhanced group organization tools.
Assumption to check: Difficulty in managing multiple groups
Validate with people who use this workflow before building.
Hypothesis 4
Simplify the UI and enhance the user experience.
Assumption to check: User interface feels cluttered
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
WristMe lets you send and receive GroupMe messages from your Apple Watch ! Your watch is a sophisticated device and now you can stay connected with all your conversations. Features * Send & Receive messages * Full Emoji & Image support * Create New Groups * Secure Log In with official GroupMe Platform * View list of conversations * Dictate or Scribble reply messages * Full QWERTY keyboard support (Flicktype) * Read chats (direct messages or groups) * Complication Support * View Me section (your info) * Tap a photo to view a higher quality / bigger version of it * Like / Unlike messages * Create Quick Replies (for faster replying) * View number of users you block if any. * Sign Out with a tap * Simple and fast refresh/reload * Use the app stand alone after first setup (supports Cellular!) Stay connected with those you love right on your wrist. Please note that this application is not endorsed by GroupMe. The application is built using the official GroupMe platform and is fully compliant and secure with respective terms and privacy policies.
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.
SUGGESTED BUILD STACK
React Native
Expo
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Zustand
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.
