Free products

sympto, non-limited on iPhone/iPad/Windows requiring permanent internet connection; without counseling support. Our standalone and most user-friendly app, sympto PLUS for Android is not free of charge but must be purchased in the Google Play Store

It's how your grandmother did it: the STM has been known since the 1970's, but it has been completely modernized by sympto.org to increase effectivenss and make it more fun! Some electronic features are included.

Say Yes! to breastfeeding and  say No! to the contraceptive pill! Shield your baby from the harmful influences of synthetic hormones while protecting yourself effectively against a new pregnancy.