The Most Comprehensive Relationship Assessment & Tracker
A Better Relationship
In weeks.
Founders get early access free ($249 value). No strings attached.
Informed by 10,000+ hours of clinical insight.
Built by Harvard & UPenn-trained data scientists and real clinicians.
Your relationship is trying to tell you something.
Track it. Understand it. Change the story.
The Spark Theory app tells you what your partner won't.The 4-Week Spark
The most science-based relationship tool in the world?
Our clinical psychologists and data scientists think so.
Brought to you by doctors, mathematicians, and neuroscientists who've studied relationships where they actually happen—
Powered By Science
Not self-help clichés or feel-good fluff.
Our clinical psychologists and data scientists think so.
Our scientists are designing the largest relationship study in the world and find scientifically proven relationship clusters and subconscious patterns to finally reveal what modern relationships are really like and transform the relationship health of millions.
Modern love is messy. Our updates aren't.
Ever wondered what other couples are really doing—what actually works, what quietly falls apart, what no one admits even in therapy?
Get weekly insights from the largest relationship study ever run.