SAN FRANCISCO — In just a few short years, this little Swedish company, Toca Boca, has quietly become the third-most popular developer of kids apps, with nearly 100 million downloads, just ...

Toca Boca, a hugely popular kids’ app maker, has grown to over 170 million downloads across its line of 38 apps, which 13 million children use every month.Now, the company is transitioning its ...