ECG for Apple Watch - ECG app and irregular heart rhythm notification
LogicLike - Improve logical thinking through engaging brain games
Heart for Heart - Monitor your heart in 90 seconds. For a good cause. 💓
Dualnback.works - Dual N-back is a specific brain training exercise, that's been shown by research - it might improve fluid intelligence.
HeartIn Portable Electrocardiograph - PC/Smartphone compatible ECG. Check your heart anywhere.
JobFlare - Brain games for job seekers