# Red Days

> Red Days (iPhone/iPad app by Anthony Castor.)

- Source: https://appshunter.io/ios/app/red-days/id6760436182 (this page in markdown: same URL + `.md`)
- Developer: [Anthony Castor](https://appshunter.io/developer/967899322)
- Category: Health & Fitness, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 26.2 · 5 MB
- Languages: Filipino, French (France), German (Germany), Hindi, Japanese, Malay, Russian, Chinese (Simplified, China), European Spanish
- Released: 2026-03-16
- Data updated: 2026-06-05
- User reviews in markdown: https://appshunter.io/ios/app/red-days/id6760436182/reviews.md

## What is Red Days?

Red Days is a private, offline menstrual cycle tracker designed to give you complete control over your health data. Track your period, predict your next cycle, log daily symptoms, moods, and health metrics — all without an internet connection. Your data never leaves your device.

Features:
• Period tracking with cycle predictions and fertile window estimates
• Daily health logging: flow level, symptoms, moods, temperature, weight, sleep, water intake, medications, and intimacy
• Visual calendar with color-coded cycle phases
• Cycle phase education with nutrition, exercise, and emotional wellness tips
• Statistics dashboard with cycle length trends, symptom frequency, and weight/sleep charts
• Compare up to 3 cycles side by side
• Cycle irregularity detection and alerts
• Spotting classification (period start, mid-cycle, or pre-period)
• Custom symptom tracking
• PDF health report generation for sharing with your doctor
• Data export (JSON/CSV) and import for backups
• App lock with Face ID and PIN protection
• Light, dark, and system theme modes
• Fully localized in 10 languages

Your privacy matters. Red Days stores everything locally on your device. No accounts, no cloud, no tracking, no ads.


## Version history (last 1 release)

### 1.0 — 2026-03-16

No release notes.

## More apps by Anthony Castor

- [AC Air Strike](https://appshunter.io/ios/app/ac-air-strike/id984426973)
- [Galactic War](https://appshunter.io/ios/app/galactic-war/id984948710)
- [Galactic Invasion Mobile](https://appshunter.io/ios/app/galactic-invasion-mobile/id1155823807)
- [Alien vs Dinosaur](https://appshunter.io/ios/app/alien-vs-dinosaur/id1208521878)
- [Calculator: Number to Words](https://appshunter.io/ios/app/calculator-number-to-words/id1227579368)
- [Potato Corner Craze](https://appshunter.io/ios/app/potato-corner-craze/id1473215432)

All apps by Anthony Castor: https://appshunter.io/developer/967899322

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*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 2026-06-05.*