Cronosurf Crypto is a standalone watch face for Wear OS smartwatches (no companion app needed) that shows continuously the price of Bitcoin (basic) or up to three coins from the top 100 ranked by market cap (Pro) that you can quickly toggle by tapping on the screen.

Basic features included:
- The unique Cronosurf monthly calendar
- Digital battery indication
- Bitcoin price, updated every 5 minutes (10 minutes in ambient mode)

The Pro Features include the basic ones plus:
- Choose up to three coins from the top 100
- Shown price updated every 3 minutes (5 minutes in ambient mode)
- The shown price can be manually refreshed before the next automatic update when needed
- Five highlight colors
- Analog battery indicator

The Pro features are offered as an in-app subscription that you can cancel anytime.