inApp
Rating: Water & hydration

waterdrop® Hydration App

doubtful rating

Companion app for a physical product (the Lucy smart cap and waterdrop flavorings). The Lucy cap syncs unreliably, requires lying flat, and does not show water level in real time. After a major update the interface renders incorrectly on iPhone. Basic manual logging works, but the recommended daily intake sometimes outputs absurd values (1.9 oz per day). No real Apple Watch or Apple Health integration.

42real score
4.8store star
765ratings
About the rating

Store average 4.82 vs text average 3.93. Many one-line 5-star reviews with no detail ('So far, so good!', 'Really helps track your hydration'). Likely review-prompted from physical product buyers.

Strengths

What users love

  • Clean and fast interface. Daily streaks and trophies keep you coming back. Logging different drink types without a subscription.
Weak spots

What users hate

  • The Lucy smart cap is unpredictable: loses data
  • Has no manual sync button
  • Does not stay horizontal. No Apple Health integration. Interface breaks after updates. The recommended intake can output nonsensical values.

Who it is for

Buyers of waterdrop physical products who want to track flavoring consumption. As a standalone water tracker it is underwhelming.