Lesbian couple reveals they used an app to find a FREE sperm donor who has helped them to conceive two kids - after learning a professional clinic would charge $1,000 for one sample Kayla Ellis, 27, and her wife Miranda have a six-month-old son named Owen — and now they are expecting baby number two They found that using sperm banks was too expensive, with a single sample costing about $1,000 They searched for a private donor in Facebook groups but found one using an app called Just a Baby He agreed to give his sperm for free, so their only expenses were ovulation tests, specimen cups, and notary fees