Meet Koi, your tiny hydration buddy

A little pond pet who reminds you to drink, cheers every glass and blows you a kiss when you hit your goal. Coming soon to Google Play.

🎁Join before launch and get 1 month of Premium freeSeasonal ponds, premium buddies and more, on us.

Reserve your buddy

Join the waitlist: we'll tell you the moment Water Buddy is ready, and your free month of Premium will be waiting.

Pick your buddy

The star ⭐KoiLucky, bubbly, blows kisses OlliA dramatic little otter

Which phone do you use?

🤖 Android 🍎 iPhone

First name (optional) Email

Use the Google account you'll sign in to the app with, so your free month finds you.

Website

Email me when Water Buddy launches. No spam, just one hello when it's ready. Reserve my Koi 🐟

We only use your email to tell you about the launch. Privacy policy

• ⏰
  Reminders that feel like a friendGentle nudges while you're awake, quiet at night.
• 🌊
  Your pond fills as you drinkEvery glass makes Koi happier. Hit your goal and he celebrates.
• 🎁
  Collect pond buddiesKoi, Olli, Bunny, Duckling and more, plus pond decorations.