Tankly
Hydration Tracker & Aquarium
Free · Designed for iPad. Not verified for macOS.
Turn hydration into a game! Your virtual fish get sad when you forget to drink water. Unlock creatures, complete daily challenges, and build healthy hydration habits now.
Stay hydrated and watch your ocean come alive! Tankly makes tracking your daily water intake fun and rewarding.
TRACK YOUR HYDRATION
- Log water intake with quick-tap buttons for common drink sizes
- Set personalized daily goals (8-16 glasses)
- View your progress in a beautiful animated aquarium
- Sync with Apple Health automatically
- Quick Actions from home screen for instant access to History, Achievements, and more
INTERACTIVE AQUARIUM
- Tap the tank to startle your fish with realistic animations
- Long press to feed your sea creatures
- Feature your favorite mystery creatures
- Watch fish swim toward food pellets
UNLOCK & COLLECT
- Earn sea creatures as you drink more water
- Unlock achievements for streaks and milestones
- Discover procedurally-generated Mystery Creatures every 100 glasses
- Each mystery creature has unique visual effects and attributes
- Reach Legendary status every 1,000 glasses
- Achievements are permanent - once earned, always yours
STAY MOTIVATED
- Daily reminders keep you on track
- Streak system builds healthy habits (requires meeting daily goals)
- Progress history with calendar view
- Home Screen widgets automatically update at midnight
- Independent Apple Watch companion app
- Game Center leaderboards and achievements
BUILD YOUR AQUARIUM
Watch your personalized ocean ecosystem grow with every glass of water. From colorful fish to rare mystery creatures with glowing effects, there's always something new to discover!
BACKUP & RESTORE
Save snapshots of your progress before letting others use your device. Rebuild your data from calendar history if needed. Perfect for parents who want to let kids play while preserving their real hydration data.
Perfect for anyone looking to:
- Drink more water throughout the day
- Build consistent hydration habits
- Track daily water intake easily
- Make healthy habits fun and engaging
Fixed a time zone issue where traveling could shift your calendar history and streak to the wrong days. Every serving now stays locked to the day you logged it - whether you're home or halfway around the world.
The developer, Ethan Feldman, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ethan Feldman
- Size
- 3.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 18.6 or later.
- iPhone
Requires iOS 18.6 or later. - iPad
Requires iPadOS 18.6 or later. - Mac
Requires macOS 15.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.6 or later. - Apple Watch
Requires watchOS 11.6 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2025 Ethan Feldman

