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: health entries stay on your device unless you choose to export them. Apple and RevenueCat process purchase information to verify Premium access.
Her wave — a private cycle companion
Private period and ovulation tracking with a moon-dial interface, reminders, and gentle insights. Health entries stay on your device unless you choose to export them. Optional Premium adds advanced features.
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.