# Dark Logger: Migraine Tracker — Your Private Migraine Diary > Private, offline migraine and headache tracker with automatic weather logging. (iPhone/iPad app by Zeph LLC.) - Source: https://appshunter.io/ios/app/dark-logger-migraine-tracker/id6761677088 (this page in markdown: same URL + `.md`) - Developer: [Zeph LLC](https://appshunter.io/developer/1863345554) - Category: Health & Fitness, Medical - Price: Free with in-app purchases - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 15.1 · 47 MB - Languages: English - Released: 2026-04-11 - Data updated: 2026-07-29 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/dark-logger-migraine-tracker/id6761677088/reviews.md ## What is Dark Logger? When a migraine hits, your phone becomes an enemy. Bright interfaces. Multi-step menus. 12 taps to log one symptom. Dark Logger was built for that exact moment. One tap starts the clock. You log the details when the pain passes. BUILT FOR PHOTOPHOBIA The UI stays dark — deep charcoal, no flash, no white screens, no blue light. Every touch target is oversized. There's nothing to read during an attack. AUTO-CAPTURES CONTEXT Logs barometric pressure at the exact moment of every attack. No manual input. Tracks medications with effectiveness ratings. Daily sleep and stress check-ins help surface patterns. After 7 logged attacks, the daily risk score activates. REPORTS FOR YOUR NEUROLOGIST Generate clean 30-day or 90-day PDF reports formatted for clinical review. Bring structured, timestamped data to your neurologist or headache specialist — not a screenshot. WHAT DARK LOGGER IS NOT · Not a subscription service · Not a cloud-connected database · Not a bloated wellness app with a step counter · Not a social platform Dark Logger is a focused, high-performance utility for one job: helping you track, understand, and communicate your migraine patterns — without the app making things worse. 100% offline. No account. No sign-up. Your medical data never leaves your device. ## Key features - Dark, low-saturation UI for visual comfort - 1-tap quick log for symptoms and notes - Automatic weather and barometric pressure logging - Fully offline and private data storage - Exportable 30/90-day PDF reports - No account creation or cloud sync ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Download Unlock | $4.99 | one-time | ## Frequently asked questions about Dark Logger ### What is Dark Logger? Dark Logger is a specialized mobile application designed for tracking migraines and headaches. It features a dark, low-saturation interface to minimize visual strain and allows for quick logging of symptoms, medications, and triggers. It also automatically records local weather and barometric pressure data. ### How does Dark Logger protect my privacy? Dark Logger is fully offline and stores all your health data exclusively on your device. It does not have cloud sync, user accounts, analytics, or third-party SDKs, ensuring that your personal information remains private and is never tracked or sold. ### Can I share my migraine data with my doctor? Yes, Dark Logger allows you to generate clean 30-day or 90-day PDF reports formatted for clinical review. This enables you to bring structured, timestamped data to your neurologist or headache specialist. ### Does Dark Logger have ads? No, Dark Logger does not contain advertisements. It is designed to be a distraction-free utility, ensuring that the app itself does not add to your discomfort during a migraine episode. ### What devices is Dark Logger available on? Dark Logger is available for iPhone, iPad, and iPod devices. It is designed to be compatible with Apple's mobile operating system. ### How often is Dark Logger updated? The latest version of Dark Logger is 1.1.4, and it was last updated on May 18, 2026. Updates typically focus on improving functionality and user experience based on user feedback and evolving needs. ### What is the age rating for Dark Logger? Dark Logger has an age rating of 4+. This indicates that the content is generally suitable for all ages, with minimal or no objectionable content. ### Is Dark Logger a subscription service? No, Dark Logger is not a subscription service. It is offered for free and does not require ongoing payments to use its core features. ## Version history (last 4 releases) ### 2.0 — 2026-06-29 Significant changes including risk scores, daily checkins, language support, and much more ### 1.1.4 — 2026-05-18 notification fixes ### 1.1.3 — 2026-05-11 you can now edit the start and end time manually notification fix ### 1.0 — 2026-04-11 No release notes. ## More apps by Zeph LLC - [ClueCloud](https://appshunter.io/ios/app/cluecloud/id6757182900) All apps by Zeph LLC: https://appshunter.io/developer/1863345554 ## Related topics [migraine logger](https://appshunter.io/ios/topics/migraine-logger) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*