# Tankly — Hydration Tracker & Aquarium > Hydration tracker with an interactive aquarium that grows as you drink water. (iPhone/iPad app by Ethan Feldman.) - Source: https://appshunter.io/ios/app/tankly/id6756762304 (this page in markdown: same URL + `.md`) - Developer: [Ethan Feldman](https://appshunter.io/developer/858339922) - Category: Health & Fitness, Lifestyle - Price: Free - Rating: 5.00/5 from 2 App Store ratings - Age rating: 4+ - Requires: iOS 18.6 · 3 MB - Languages: English - Released: 2025-12-20 - Data updated: 2026-07-29 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/tankly/id6756762304/reviews.md ## What is 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 ## Key features - Log water intake with quick-tap buttons - Personalized daily hydration goals - Animated aquarium visualizes progress - Syncs with Apple Health - Unlock and collect sea creatures - Daily reminders and streak system - Apple Watch companion app ## Frequently asked questions about Tankly ### How does Tankly help me drink more water? Tankly encourages hydration by allowing you to log your water intake and visualize your progress in a growing aquarium. You can set personalized daily goals and receive reminders to help you stay on track throughout the day. ### What kind of creatures can I collect in Tankly? As you drink more water, you can earn and unlock various sea creatures for your aquarium. This includes common fish and special 'Mystery Creatures' with unique visual effects that are procedurally generated. ### Does Tankly integrate with other health apps? Yes, Tankly can automatically sync your water intake data with Apple Health, allowing for a more comprehensive view of your health metrics. ### Can I use Tankly on my Apple Watch? Absolutely. Tankly features an independent Apple Watch companion app, enabling you to track your hydration directly from your wrist. ### How often is Tankly updated? The latest version of Tankly is 2.3.15, and it was last updated on April 29, 2026. Updates typically introduce new features, improvements, and bug fixes. ### Is Tankly suitable for children? Tankly has an age rating of 4+, making it suitable for younger users. The app's gamified approach to hydration can be particularly engaging for children. ### Can I back up my Tankly progress? Yes, Tankly allows you to save snapshots of your progress and rebuild your data from calendar history if needed. This feature is useful for preserving your hydration data. ### What are the benefits of reaching Legendary status in Tankly? Reaching Legendary status in Tankly occurs every 1,000 glasses of water consumed. While the specific in-app benefits are not detailed, it signifies a significant achievement in consistent hydration. ## Version history (last 5 releases) ### 2.3.16 — 2026-06-24 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. ### 2.3.15 — 2026-04-29 Update settings copy for traveling across time zones. ### 2.3.13 — 2026-03-19 Small copy fixes. ### 2.3.12 — 2026-03-19 • Fixed a bug where the tutorial was skipped on first launch • Fluid ounce display now shows exact values ### 2.3.11 — 2026-03-19 Minor bug fixes. ## More apps by Ethan Feldman - [Jumpy Cookie](https://appshunter.io/ios/app/jumpy-cookie/id867405065) - [Dodge the Shapes](https://appshunter.io/ios/app/dodge-the-shapes/id993470705) - [Cavern Crawl](https://appshunter.io/ios/app/cavern-crawl/id1508943585) - [Skatty The Skatty](https://appshunter.io/ios/app/skatty-the-skatty/id6762490122) - [Word Shout: Learn to Read](https://appshunter.io/ios/app/word-shout-learn-to-read/id6780203868) All apps by Ethan Feldman: https://appshunter.io/developer/858339922 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-29.*