Track your fertility using the Billings Ovulation Method® with daily entries and chart sharing. Access premium features like direct teacher contact, chart printing, and custom color palettes through a subscription.






0+ iOS apps curated and reviewed
Out of 0+ billings method apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | 3.2★ (14) | No | Yes | Jul 2026 | |
| 2 | Free | 4.3★ (6) | No | Yes | May 2026 | |
| 3 | $4.99 | 1.0★ (1) | No | No | Aug 2026 | |
| 4 | Free | 4.8★ (2.2K) | No | No | Aug 2026 | |
| 5 | Free | — | No | No | Aug 2026 | |
| 6 | Free | 2.8★ (187) | Yes | Yes | Aug 2026 | |
| 7 | Free | 4.8★ (103) | No | No | Aug 2026 | |
| 8 | Free | 2.8★ (19) | No | No | Jul 2026 |






Track your fertility using the Billings Ovulation Method® with daily entries and chart sharing. Access premium features like direct teacher contact, chart printing, and custom color palettes through a subscription.





Track your Natural Family Planning (NFP) charts online using the Billings Ovulation Method. This app allows you to enter data, share charts with your teacher, and view current and previous cycles. It is designed for users already trained in the Billings Ovulation Method.






This app helps you observe, record, and interpret fertility symptoms using the Billings Method. It generates fertility charts, identifies peak days, and predicts menstruation, aiding in achieving or avoiding pregnancy. It offers an intuitive visual format and supports multiple languages.


Manage your finances conveniently from your mobile device. Check account balances, review transaction history, and transfer funds with ease. Securely pay loans and deposit checks on the go.




Access local news, sports, and community stories from Montana. Enjoy exclusive commentary, photography, and podcasts. Subscribers can upgrade to an ad-free premium experience.


Manage your finances on the go with this secure banking app. Easily deposit checks, make payments, transfer funds, and control your debit card. Receive balance alerts and find nearby branches and ATMs.


Access your complete health record in one convenient location. View lab results, medications, appointments, and communicate securely with your doctor's office. Request prescription renewals and manage your health information easily.


Streamline your freelance or small business operations with this app. It helps you create estimates, track time and expenses, and send professional invoices. Manage client accounts and payments efficiently to get paid faster.


Take complete control of your credit union cards. Set transaction type, geographic, and merchant restrictions. Instantly turn cards on or off for enhanced security and receive real-time usage alerts.




This app streamlines business payments and receivables, automating accounts payable and receivable processes. It offers flexible payment options and real-time tracking, saving time and improving cash flow.


Manage your finances on the go with this secure mobile banking application. Organize transactions, set alerts, make payments, transfer funds, and deposit checks remotely. You can also manage your debit card and access electronic statements.




Stay informed with real-time news and information from your local area. Access live 24/7 streaming video coverage from partners across Washington, Idaho, and Montana. Get updates from major cities and surrounding regions.




Manage your child's gymnastics and swim activities with ease. This app allows for simple bill payments, class schedule checks, and registration for programs. Receive important updates and announcements directly to your device.




Track your fitness routines and schedule appointments from any location. View your workout history and upcoming sessions within the application.


Access content designed to foster spiritual growth and community connection. This application supports users in their journey of knowing, growing, and serving through faith.