The 2Day family planning app, developed by Cycle Technologies, offers a simple and effective way for women to identify their fertile days for natural pregnancy planning or prevention. Utilizing the TwoDay Method, a patent-pending technique created by researchers at the Institute for Reproductive Health, this app has been trusted by over 3 million women globally. By tracking daily secretions, users can easily determine their fertility status without the need for complex temperature tracking or further analysis.

The app boasts a remarkable effectiveness rate of over 96% in preventing pregnancy, surpassing other symptom-based family planning methods commonly found in fertility apps. Suitable for all women, including those with irregular cycles, the 2Day Method tailors to individual cycles, offering a straightforward approach to family planning.