Private, offline period and ovulation tracking, storing all health data locally.
Product memo
Bluma offers private, offline period and ovulation tracking for individuals prioritizing health data privacy. It stores all encrypted data locally on the device, requiring no account or internet connection. This design ensures user control and security, serving those who want to understand their bodies without sharing personal information.
For who
Individuals prioritizing health data privacy
Solves what
Private, offline period and ovulation tracking without data sharing.
- Offline functionality
- On-device data encryption
- Open-source code
In their own words
Private period tracker that works offline
Most period apps send your data to a server. Bluma doesn't.
Your data stays yours. Everything you log is encrypted and stored on your device. No cloud, nothing to sell, share, or leak.
Commercial cues
Model
free only
Free tier
Yes
Trial
No
Pricing Strategy
Bluma is a free, fully featured period tracker that stores all data on-device, eliminating privacy concerns.
- • A no-cost offering removes privacy concerns for health-conscious users.
- • Open-source nature builds trust and community around data control.
- • Focuses on privacy as the core differentiator against data-sharing apps.
Operator context
Operating setup
Team
Indie / lean
LLM classification
Founded
Apr 2026
Platform
Mobile
Audience
Consumers
Social footprint
Tech stack
Builder Strategy
- Strategy Type
- Niche Specialist
- Stage
- Bootstrapped Lean
- Effort
- Solo Buildable
About Bluma Expand
Bluma provides a period and ovulation tracking experience built around user privacy. Designed for individuals who prioritize control over their health data, the app operates entirely offline.
It stores all information, including symptom and mood tracking, encrypted and directly on the user's device. This approach means no cloud storage, no accounts, and no data sharing, addressing a key concern for many users of health-related applications.
Its open-source nature further reinforces trust, offering a transparent alternative to typical data-collecting apps.