No thermometer. No algorithms overriding your judgment. No cloud servers with your intimate data. Just proper Billings Method tracking with local AI that helps you learn.
✨ Limited to 100 practitioners • Beta launches February 2025 • Lock in £29/year for life
Simple. One biomarker. No devices required. But tracking it shouldn't feel like a chore.
Pure Billings Method + True Privacy = Finally, the app you've been waiting for.
Built to help you learn the method deeply, with AI that assists—never overrides
Peak day marking, BIP tracking, correct mucus categories—everything matches what you learned in your classes.
Your observations never leave your Mac. No cloud sync. No servers. No one can access your data—not even us.
Local AI recognizes your unique patterns and helps you understand them—but never overrides the method rules you learned. Build mastery, not dependence.
Share charts with your instructor in professional formats they recognize. Support your learning journey.
Share read-only access with your partner. Both of you stay informed without compromising your privacy.
Built specifically for Mac with native SwiftUI. Not a web app in disguise—a true Mac experience that respects Apple design principles and your workflow.
Master the Billings Method in three steps
Log your daily mucus observations using proper Billings terminology. Quick, simple stamps make it effortless.
Local AI helps you recognize your unique cycle patterns and Peak day—but you stay in control of interpretation.
Follow method rules with clarity. Share insights with your instructor. Achieve your fertility goals naturally.
One biomarker. No devices. True simplicity.
| Feature | Pure Billings (MyBillingsMethod) | Symptothermal Methods |
|---|---|---|
| Biomarkers tracked | 1 (mucus only) | 3+ (temp, mucus, cervix) |
| Hardware required | None (£0) | Thermometer (£20-100) |
| Daily routine complexity | Simple observation | Wake at same time, temp before rising |
| Works with irregular sleep | ✓ | ✗ |
| Learning curve | Gentle (1 biomarker) | Steeper (multiple rules) |
| Ideal for | Simplicity seekers, shift workers | Data enthusiasts, regular schedules |
| Effectiveness (when practiced correctly) | 98-99% | 98-99% |
Both methods are highly effective when practiced correctly. Billings excels through simplicity—one well-understood biomarker, no devices, and flexibility for real life. If you've chosen the Billings Method, MyBillingsMethod is built specifically for you. Not a compromised multi-method tracker, but a pure Billings experience with privacy you can trust.
Your students need better tools. We're building them together.
"Finally, an app I can recommend with confidence. It respects the methodology and my students' privacy."
— Beta Instructor, BOMA UK
Partnership spots are limited. Apply early.
Annual pricing only. No hidden fees. No data selling. Privacy you can trust.
First 100 users lock in £29/year forever
Perfect for practicing the method together
Join 100 practitioners in our private beta. Launch February 2025.
✨ First 100 users lock in £29/year for life (normally £39/year)