With our Free Version you will be able to:
1) Register daily entries using the Billings Ovulation Method® Chart
2) Link your account with your spouse and with all your mobile devices
3) Contact and share your chart with an Accredited Teacher
4) Safely save your charts
5) Register without Internet
With our PREMIUM Subscription you will be able to:
1) Ask question directly to Accredited Teachers
2) Print your Charts
3) Email your Charts in PDF format
4) Create a reminder so you don´t forget
5) Select Custom Palette Colors
6) Backup all your charts in your device
With the Free Version we want to reach all BOM Users and help them to easily keep their daily chart entries in a matter of seconds.
Furthermore, buying the PREMIUM Subscription you are helping the association in your country and WOOMB International World Wide Organization.
Latest Version
2026.9.24Uploaded by
Hany Mero
Requires Android
Android 7.0+
Category
Free Health & Fitness AppContent Rating
Everyone
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Flag as inappropriateLast updated on Sep 25, 2026
• New cycle list on phones: start, end, entries and length at a glance, with buttons to edit, delete or open the chart.
• Diligence now counts when you first recorded a day. Charting in the evening, or correcting an entry later, no longer counts as late — past cycles may improve.
• The chart now shows a few days beyond today.
• A clear message when the server can't be reached, instead of asking you to check your password.
• Faster loading and more reliable connections.
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