Independent · Private by design
SKJ Apps builds calm, beautiful technology for women — engineered around one rule: your body's data belongs on your device, not our servers.
The SKJ rule: what you log stays on your phone. No cloud copies, no data sales, no exceptions.
Her wave — a private cycle companion
Period and ovulation tracking with a moon-dial interface, daily body guidance, and gentle pattern insights. Every entry is stored on your phone — never on a server.
Our second app is already in the lab — same privacy engineering, a new corner of women's wellness.
In developmentEvery SKJ app ships with on-device storage, no dark patterns, and honest, readable policies.
Our standardThe best ideas come from the women who'll use them. Your message goes straight to the founder.
Write to us →SKJ Enterprises LLC is an independent, family-owned company from Oklahoma. We build the way we'd want software built for the people we love: private by architecture, honest about what it does, and gentle to use.
Ondelle is our first release — and we're just getting started.