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
HeadAura
HeadAura is a private, thoughtfully designed migraine and headache tracker that helps you record attacks and understand your patterns—without requiring an account or subscription.
$3.99
PRICE
$3.99
No 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 included
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.
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App evidence
Original App Store material. Ratings and screenshots describe the existing app, not proof of demand for your version.
Screenshots
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App Store description
HeadAura is a private, thoughtfully designed migraine and headache tracker that helps you record attacks and understand your patterns—without requiring an account or subscription. Your migraine journal is stored on your device. HeadAura doesn’t require a login or cloud sync, and it has no ads, analytics, or third-party tracking. **KEY FEATURES** • **On-Device AI Support:** Explore patterns in your migraine history with Apple Foundation Models on supported devices. When available, Apple Intelligence can also help organize a spoken migraine log. AI features run on-device; recorded facts remain available when the model isn’t supported. • **Log with Siri:** Start a migraine log using HeadAura App Intents. Describe what happened, review the recognized details, and confirm before they’re saved. • **Quick, Detailed Logging:** Record severity, timing, symptoms, triggers, medications, and notes. • **Apple Health, Your Choice:** Optionally read sleep, heart rate, HRV, and steps for additional context. You can also choose to enable writing migraine entries to Apple Health. • **Flexible Reports and Backups:** Export date-range PDF reports or CSV data. Create a full JSON backup or import data, with the option to merge or replace your history. Notice your patterns and keep control of your health data. HeadAura is for personal tracking and informational use; it does not diagnose or treat medical conditions or replace professional medical advice.
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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.
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
BUILD KIT DIFFICULTY
Not assessed in a Build Kit yet.
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.
