TTCFertilityOS
Six fertile days per cycle - timing beats trying. Daily BBT, OPK, cervical mucus, fertile window. Prenatal supplements, partner health.
Direct, no marketplace fee. A matching mini-planner is offered at checkout.
- Single offline HTML file
- No subscription, no account
- Laptop, iPhone & Android
- Your data stays on your device
WHAT YOU GET
- Daily BBT + OPK log
- Fertile window calculator
- Prenatal supplement tracker
- Partner health log
- Cycle pattern across months
- Conception attempts log
DELIVERY
- TTCFertilityOS - Instructions.pdf
- index_TTCFertilityOS.html
WHO IT IS FOR
- Couples trying to conceive
- Irregular cycles
- After pill, post-loss
- Charting fertility
PRIVACY
All data stays on your device. No server, no account, no sync.
Guides you might like
Best Ovulation and Fertility Tracking Apps
The best ovulation tracker app comes down to one question: do you want cloud predictions and community, or do you want your cycle data to stay on your device?
Best PCOS Apps
The best PCOS apps range from clinical telehealth to symptom trackers. Here is how they compare and where a private offline planner fits for irregular cycles.
Do period apps sell your data? A calm look at what really happens
Do period apps sell your data? A calm, factual look at how free trackers make money, what data sharing really means, and how to read a privacy policy.
Early signs of pregnancy: what they are and when they show
Early signs of pregnancy: missed period, fatigue, nausea, tender breasts, and frequent urination, roughly when they appear, and when a test is reliable.