# Cluster Headache Tracker > Free, privacy-focused cluster headache tracker and diary built by a fellow sufferer. Log attacks quickly, spot patterns, create doctor-ready reports, and keep health data private. ## About Cluster Headache Tracker is a free, privacy-focused app for logging cluster headache attacks, finding patterns, and preparing doctor-ready reports. - Builder: Carmine Paolino, a cluster headache sufferer - Platforms: Web, PWA, iOS beta, Android beta - Price: Free - Open source: Yes, GPL-3.0 - Account model: Username and password, no email required - Medical boundary: Tracking and reporting only, not medical advice ## Key Use Cases - One-tap attack logging when the user is in severe pain - Pattern review across timing, frequency, triggers, medications, and intensity - Temporary read-only reports for neurologists and other healthcare providers - CSV export for personal records - Privacy-preserving headache diary without email-based identity ## Key Topics - Cluster headaches - Headache diary - Headache diary template - Headache diary for neurologist visits - Attack logging - KIP scale - Oxygen treatment documentation - Oxygen response tracking - Neurology reports - Medication effectiveness - Circadian headache patterns - Privacy-focused health tracking - Open-source health software - Open-source headache tracker - Cluster headache app - Progressive web app - Hotwire Native ## Public Pages - [Cluster Headache Tracker & Diary](https://clusterheadachetracker.com/): Free, privacy-focused cluster headache tracker and diary built by a fellow sufferer. Log attacks quickly, spot patterns, create doctor-ready reports, and keep health data private. - [Free Cluster Headache Diary](https://clusterheadachetracker.com/cluster-headache-diary): Free cluster headache diary and tracker for logging attack time, duration, KIP-style intensity, medication, oxygen response, triggers, and notes. - [Cluster Headache Diary Template](https://clusterheadachetracker.com/cluster-headache-diary-template): Printable cluster headache diary template for attack time, duration, intensity, medication, oxygen response, triggers, and notes. - [Headache Diary for Neurologist Visits](https://clusterheadachetracker.com/headache-diary-for-neurologist): Prepare a headache diary for neurologist appointments with attack timing, duration, intensity, medication response, oxygen notes, triggers, and reports. - [Cluster Headache Oxygen Documentation](https://clusterheadachetracker.com/cluster-headache-oxygen-documentation): Track cluster headache attack frequency, duration, oxygen use, and treatment response for clinician and insurance conversations without making treatment promises. - [Sample Cluster Headache Report](https://clusterheadachetracker.com/sample-report): Public fictional sample cluster headache report showing attack summaries, timing, intensity, treatment response notes, charts, and detailed log entries. - [Cluster Headache App](https://clusterheadachetracker.com/cluster-headache-app): Free cluster headache app for web, PWA, iOS beta, and Android beta. One-tap attack logging, charts, CSV export, privacy, and doctor-ready reports. - [Open Source Headache Tracker](https://clusterheadachetracker.com/open-source-headache-tracker): Open-source, privacy-focused headache tracker for cluster headache attacks. Rails codebase, username-only accounts, CSV export, and doctor-ready reports. - [Cluster Headache Tracker FAQ](https://clusterheadachetracker.com/faq): Real answers about cluster headaches, attack tracking, privacy, doctor sharing, and why this free tracker exists. - [Cluster Headache Tracker for Neurologists](https://clusterheadachetracker.com/neurologist): A free cluster headache tracking tool for patients that produces clean reports, clear patterns, and documentation for clinical conversations. - [Privacy Policy for Cluster Headache Tracker](https://clusterheadachetracker.com/privacy-policy): Privacy policy for Cluster Headache Tracker, including username-only accounts, health log storage, sharing controls, export rights, and data handling. - [Cluster Headache Tracker Imprint](https://clusterheadachetracker.com/imprint): Legal imprint and contact details for Cluster Headache Tracker, a non-commercial tool maintained by Carmine Paolino. Private user dashboards, headache logs, charts, settings, feedback forms, and shared log URLs are intentionally excluded. ## Links - Website: https://clusterheadachetracker.com - Source Code: https://github.com/crmne/cluster-headache-tracker - Ios Beta: https://testflight.apple.com/join/GJsAQqz2 - Ios Source Code: https://github.com/crmne/cluster-headache-tracker-ios - Android Apk: https://github.com/crmne/cluster-headache-tracker-android/releases/latest/download/cluster-headache-tracker.apk - Android Source Code: https://github.com/crmne/cluster-headache-tracker-android - Cluster Headache Diary: https://clusterheadachetracker.com/cluster-headache-diary - Diary Template: https://clusterheadachetracker.com/cluster-headache-diary-template - Sample Report: https://clusterheadachetracker.com/sample-report - Privacy Policy: https://clusterheadachetracker.com/privacy-policy - Neurologist Page: https://clusterheadachetracker.com/neurologist - Contact: mailto:hello@clusterheadachetracker.com - Full LLM brief: https://clusterheadachetracker.com/llms-full.txt - Structured product profile: https://clusterheadachetracker.com/llm.json - Entity map: https://clusterheadachetracker.com/entity-map.json