What are some alternatives?
When comparing Nat App and Ryze App, you can also consider the following products
Affinity - Relationship Intelligence, Reimagined
Cloze - Smarter Relationship Management
Dex - Stay in touch, remember where you left off, and be better at relationships.
Monica - Monica is an open-source personal CRM to keep track of your friends and family.
UpHabit - The trusted Personal CRM for busy people
ZooWho - Who's Who in Your Zoo? A free personal CRM mobile app to keep track of your friends and family.