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
QuotaKit: AI Usage Tracker
QuotaKit is the iPhone companion for tracking AI quota, reset windows, and spend across the tools you use.
Free
PRICE
Free
No in-app purchases
BUSINESS MODEL
Free
No overall Grossing estimate available
RATING
★ 5.0
1 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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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 QuotaKit: AI Usage Tracker: 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
Incorporate graphs/charts for better insights
Assumption to check: Limited data visualization options
Validate with people who use this workflow before building.
Hypothesis 2
Add notification feature for usage tracking
Assumption to check: No reminders for low usage
Validate with people who use this workflow before building.
Hypothesis 3
Enhance settings with user preferences and themes
Assumption to check: Basic settings functionality
Validate with people who use this workflow before building.
Hypothesis 4
Implement sharing features for collaboration
Assumption to check: No sharing options for usage data
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
QuotaKit is the iPhone companion for tracking AI quota, reset windows, and spend across the tools you use. Install QuotaKit on your Mac, enable the providers you care about, turn on iCloud Sync, and your iPhone becomes a clean mobile dashboard for your AI usage. See what is left, when limits reset, how much you have spent, and whether you are on pace for the current usage window. Built for AI power users, developers, and anyone juggling multiple AI tools, QuotaKit helps you stop guessing before a long coding session. Track what matters: - Multi-provider AI quota tracking - Reset windows and provider status - Daily spend and renewal-cycle progress - iCloud sync from Mac to iPhone - Alerts when quota runs out or becomes available again - Home Screen and Lock Screen widgets with QuotaKit Pro - Share cards for usage and cost views - Local collection with private iCloud sync QuotaKit for iPhone requires QuotaKit for Mac. The Mac app gathers provider data locally for the providers you enable, then syncs quota snapshots through your iCloud account so your iPhone can show status, alerts, widgets, and dashboards.
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
Supabase
React Navigation
Zustand
React Native Paper
BUILD KIT DIFFICULTY
Starter
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.
