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
LimitWatch
LimitWatch is the mobile companion for developers who use AI coding tools
Free · In-app purchases
PRICE
Free
In-app purchases
BUSINESS MODEL
Freemium
No overall Grossing estimate available
RATING
★ 1.0
1 ratings · Below Average
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 included19 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 LimitWatch: 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
Competitive pricing with generous free tier
Assumption to check: Expensive subscription
Validate with people who use this workflow before building.
Hypothesis 2
Focus on most-requested features first
Assumption to check: Missing features
Validate with people who use this workflow before building.
Hypothesis 3
Optimize for 60fps, fast load times
Assumption to check: Poor performance
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
LimitWatch is the mobile companion for developers who use AI coding tools. It bridges your Mac-based AI workflows — Claude, Codex, Gemini, Cursor, Copilot, and more — to your iPhone, Apple Watch, and Dynamic Island in real time. KEY FEATURES • Live Activity & Dynamic Island — See your AI session status at a glance: active tool, token usage, approval requests, and session progress. • Push Notifications — Get notified when sessions complete, tools need approval, errors occur, or quotas run low. Never miss an important event. • Multi-Source Monitoring — Track multiple AI tools simultaneously. See which sessions are active, waiting, or completed across all your coding agents. • Approval Flow — Approve or deny tool execution requests directly from your iPhone or Apple Watch. No need to switch back to your Mac. • Quota & Usage Tracking — Monitor your API usage, spending, and remaining quotas across providers like Anthropic, OpenAI, and Google. • Widget & Watch Support — Home Screen widgets and Apple Watch complications keep your AI usage visible without opening the app. • Session Archive — Browse past sessions, review transcripts, and export session data for analysis. • Privacy First — Your canonical AI usage and session data stays on your devices and syncs through Apple iCloud/CloudKit under your own Apple Account. Purpose-separated minimal backends handle only subscription validation and push delivery (device tokens, preferred push locale, pseudonymous account/pairing identifiers, and subscription identifiers/status). Compact notification text required for delivery is processed transiently and is never stored by our push backend. See our privacy policy for full details. LimitWatch works with Claude Code, OpenAI Codex, Google Gemini CLI, Cursor, GitHub Copilot, Droid (Factory), OpenCode, and more. The Mac companion app (free) installs lightweight hooks into your AI tools, syncs canonical data through iCloud, and delivers compact realtime alerts through APNs. Free tier includes basic monitoring for one source. Upgrade to Lite for the full mobile experience, or Pro for unlimited sources, session archive, automation, and export tools. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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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 Native
Expo
Supabase
RevenueCat
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.
