- Calm Harm app
- Calorie Counter app
- Cancer apps – help me choose
- Cancer apps overview
- Caregiver support apps
- CBT apps
- CBT-i Coach app
- CDC Heads Up Rocket Blades
- Charges and apps
- Coeliac Care Program
- Coeliac disease apps
- CogniCare – support for dementia care app
- Communication apps
- Concussion apps
- Concussion coach app
- ConnectMed
- Contraction Timer & Counter 9m app
- Contraction timer apps
- COPD apps
- COVID-19 apps
- CPT Coach
- Curable app