Tankly
Ethan Feldman Health & Fitness iPhoneiPadiPod touchApple Watch
Tankly is a free Health & Fitness app for iPhone and iPad by Ethan Feldman. Rated 5.0/5 from 3 ratings. Requires iOS 18.6. Updated June 24, 2026.
- Rating
- 5.0
- 3 ratings
- Price
- Free
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- Jun 24
- 2026 · v2.3.16
Screenshots
About Tankly
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
What’s new
Version 2.3.16 · Updated June 24, 2026
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.
App privacy
The developer, Ethan Feldman, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Tankly
Looking for apps like Tankly? Here are 6 similar apps on the App Store. The highest rated is Free Water Tracker: Sipline (4.8/5), and all 6 are free to download.
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Pixfin: Fish Pet Step Tracker
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Free Water Tracker: Sipline
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DopaHop: ADHD Planner & Timer
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Berkeley Carroll Pool
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Tankly | 5.0 / 5 (3 ratings) | Free | June 24, 2026 | |
| Pixfin: Fish Pet Step Tracker | – | Free | Oct 23, 2026 | Compare |
| PureCycle: Period Tracker Logs | – | Free | Jan 28, 2026 | Compare |
| Free Water Tracker: Sipline | 4.8 / 5 (4) | Free | Oct 24, 2026 | Compare |
| DopaHop: ADHD Planner & Timer | – | Free | Oct 24, 2026 | Compare |
| Water Tracker ・ Drink Reminder | – | Free | May 22, 2024 | Compare |
| Berkeley Carroll Pool | – | Free | Sep 24, 2026 | Compare |
Compare Tankly with the top alternatives: ratings, updates, ASO score and keyword gaps →