Great start, Sue.
This is a pretty good headline, but you can make it more specific and arouse more curiosity.
Killing stress is quite generic. What are the specific benefits your reader is after and how do these apps help? Is it about finding calmness on a hectic day? Or about managing do-to lists? Or something else?
Another way to make it more specific would be something like:
5 Little-Known Apps that High-Flying Career Women Use to Combat Stress
The more specific you can make it, the better.
Sorry for my slow reply – I somehow missed your comment on Friday. Still getting used to the forum!
Enchant readers. Woo customers. Win business.