privacy

Nanohabit

Apple Watch Apps

Simple, private, and fast.

Nanohabit builds focused Apple Watch apps that respect your time and your data. Watch2o helps you track daily water intake. BioBattery shows your social energy level so you can decide on evening plans.

Apps

Watch2o

Health & Fitness

Watch2o

Fast, simple water intake tracking for Apple Watch. Optional HealthKit write for water data. No external servers, no analytics.

• One-tap water logging
• Complications for quick access
• Optional HealthKit integration
• Data stays on your device

BioBattery

Health & Fitness

BioBattery

BioBattery shows your current energy level so you can decide whether you feel ready for social plans or need time to recharge.

• Clear energy indicator
• Designed for Apple Watch
• No HealthKit required
• Private and lightweight

Privacy Policy

Last updated: March 2026

This privacy policy applies to both Watch2o and BioBattery. Neither app collects, stores, or transmits personal data.

Health Data (Watch2o only)

If enabled, Watch2o writes water intake to Apple Health. Data stays on your device only.

Contact

For support or questions: bawary.github.io