WO Calendar
Jose Rodrigues da Costa Neto Lifestyle iPhoneiPadiPod touch
WO Calendar is a free Lifestyle app for iPhone and iPad by Jose Rodrigues da Costa Neto. Requires iOS 16.4. Updated October 17, 2026.
- Price
- Free
- on the App Store
- Size
- 55 MB
- Age 17+
- Updated
- Oct 17
- 2026 · v1.2.0
Screenshots
About WO Calendar
WO Calendar is a simple and private calendar for your period, your intimate life and your pregnancy. No sign-up and no ads: your data stays on your iPhone. KNOW WHAT'S COMING • Next period prediction based on your own cycles • Fertile window and ovulation right on the calendar • Your cycle day, and a heads-up when your period is late • "My period started today" in one tap LOG YOUR DAY IN SECONDS • Flow: light, normal or heavy • Intimate days, with or without protection • Mood, symptoms and personal notes UNDERSTAND YOUR BODY • Average cycle length and the history of your last cycles • Flow distribution and your most frequent symptoms • A PDF report to take to your doctor REMINDERS • Your period is coming in 2 days • Your fertile window starts today • Daily birth control pill, at the time you choose PREGNANCY, WEEK BY WEEK • Gestational age from your last period or due date • Your baby's size every week • Appointments, tests and vaccines, weight and a symptom journal • Bump photos, kick counter and contraction timer • Hospital bag checklist • A beautiful card to share the news HOME SCREEN WIDGET See your cycle day and next period, or your pregnancy week and baby size, without opening the app. PRIVATE BY DESIGN • No account, no sign-up • Your data stays on your device • Lock the app with Face ID or your passcode • Export and import a backup whenever you want Available in English and Portuguese. WO Calendar is not a method of contraception and does not replace medical advice. Predictions are estimates based on the data you enter.
What’s new
Version 1.2.0 · Updated October 17, 2026
A big update to WO Calendar: • Predictions for your next period, fertile window and ovulation • Mood, symptoms and notes for each day • Mark intimate days as protected or unprotected • New statistics with your cycle history and a PDF report for your doctor • Reminders for your period, fertile window and daily pill • Lock the app with Face ID • Home Screen widget • Pregnancy mode, week by week: appointments, weight, kicks, contractions, bump photos and a card to share the news • A fresh new look with Liquid Glass
App privacy
The developer, Jose Rodrigues da Costa Neto, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to WO Calendar
Looking for apps like WO Calendar? Here are 6 similar apps on the App Store. The highest rated is Intima Tracker (5.0/5), and all 6 are free to download.
-
FemTrack
-
Intima Tracker
5.0
-
Luna Sync - Period & Cycle Log
-
Moon Days Calendar
4.0
-
Mind Movies Matrix
2.3
-
Digital Khovd
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| WO Calendar | – | Free | October 17, 2026 | |
| FemTrack | – | Free | Nov 24, 2024 | Compare |
| Intima Tracker | 5.0 / 5 (1) | Free | Sep 29, 2026 | Compare |
| Luna Sync - Period & Cycle Log | – | Free | Oct 5, 2026 | Compare |
| Moon Days Calendar | 4.0 / 5 (4) | Free | Dec 24, 2025 | Compare |
| Mind Movies Matrix | 2.3 / 5 (12) | Free | Oct 6, 2026 | Compare |
| Digital Khovd | – | Free | Apr 30, 2026 | Compare |
Compare WO Calendar with the top alternatives: ratings, updates, ASO score and keyword gaps →