Business

How a health app helping women deal with their gut feelings topped the charts

- October 29, 2025 4 MIN READ

When Chelsea McCallum and Alison Williams launched Tummily, they weren’t just creating another wellness platform. They were redesigning how people experience – and take ownership of – their gut health. Within 24 hours of launch, Tummily had broken into Apple’s Top 100 Medical Apps, downloaded in over 40 countries. No massive ad campaign. No investor… Read more »