Hydra tracks your daily water intake, keeps you accountable with team challenges, and turns healthy hydration into a habit you'll actually keep.
Daily intake goal recommended by health authorities
Of people are chronically dehydrated without knowing it
Cognitive boost shown with proper daily hydration
Always. No paywalls, no premium tiers, no ads
Hydra is built around simplicity. Log, track, and compete — all in one beautiful place.
Watch a beautiful animated ring fill up as you log your water. See your current intake vs. goal at a single glance, with smart motivational prompts that dynamically respond to your progress throughout the day.
Join a team with friends or coworkers and compete on a shared daily leaderboard. Friendly competition is the best motivation.
Three muscle-memory buttons — 150 ml, 250 ml, 500 ml — plus a custom input. Logging takes under 2 seconds.
Add to home screen on iOS or Android. Works fully offline — no App Store needed.
Build momentum with daily streaks. Hit your goal and watch your count grow — miss a day and bounce back.
Follows your system preference with smooth animated transitions — always looks stunning, day or night.
No long onboarding. No mandatory account. Just open and start logging.
Visit watermeterpro.web.app or install the PWA to your home screen for instant access from anywhere.
Choose your daily target — default is 2,500 ml but you can customise it in seconds with the built-in goal slider.
Tap to log each drink. Optionally join a team and climb the leaderboard every single day.
Most people don't drink nearly enough. The consequences are real, common, and entirely avoidable.
Even mild dehydration (just 1–2% body weight) can significantly reduce concentration, memory, and cognitive performance.
Fatigue is one of the first signals of dehydration. Staying topped up keeps cells energised and mood stable all day.
Chronic dehydration is linked to kidney stones, UTIs, digestive problems, and increased cardiovascular risk.
Athletes who track hydration see measurable gains in endurance, strength, and recovery speed compared to those who don't.
"I had no idea how dehydrated I was until Hydra made it visual. Seeing that ring fill up is genuinely satisfying and motivating. Down 6 kg in two months — I think water was a bigger piece of the puzzle than I realised."
"Our whole engineering team uses it now. The leaderboard turned drinking water into a daily game. Headaches in the office are way less common and I'm pretty sure our productivity improved too."
"Clean, minimal, and it actually works. I've tried a dozen hydration apps and deleted all of them within a week. Hydra's been on my home screen for 3 months now without interruption."
Join thousands of people building better hydration habits with Hydra. Free, forever — no catch.