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Koiven turns drinking water into something you actually want to open. Log a drink and your on-screen aquarium fills: the water rises and your fish, Zenna, swims. Under the calm surface it's a complete tracker: personalized daily goal, streaks, weekly dots, and free custom drinks. Private by design: fully offline, no account, no email. Your data stays on your device. Free to use; Pro unlocks more fish, themes, and drink slots. Android today, iOS once the app funds it.
Hi Product Hunt!
Koiven is my version of a water tracker: your screen is a small aquarium, every drink you log raises the water, and your fish, Zenna, swims while you keep your streak.
Play Store: https://play.google.com/store/ap...
(or search "Koiven")
honestly the little fish swimming up as i log water is such a cute touch, makes me actually want to keep going. loving that it works fully offline too
love how the aquarium actually responds to your hydration, like watching Zenna swim up as the water rises is such a clever way to make a tracker feel alive instead of just another chart.
Love the aquarium idea, that's genuinely clever motivation. One thing I'd love: a gentle nudge when I forget to log for a few hours, maybe Zenna swims to the top looking thirsty or something subtle. That tiny reminder could really help build the habit without it feeling pushy.
honestly the little fish swimming as my water count went up was such a weirdly satisfying little dopamine hit, way better than staring at a plain progress bar. offline only is a huge plus too.
About Koiven on Product Hunt
“Grow an aquarium by hydrating.”
Koiven was submitted on Product Hunt and earned 11 upvotes and 9 comments, placing #86 on the daily leaderboard. Koiven turns drinking water into something you actually want to open. Log a drink and your on-screen aquarium fills: the water rises and your fish, Zenna, swims. Under the calm surface it's a complete tracker: personalized daily goal, streaks, weekly dots, and free custom drinks. Private by design: fully offline, no account, no email. Your data stays on your device. Free to use; Pro unlocks more fish, themes, and drink slots. Android today, iOS once the app funds it.
Koiven was featured in Android (57.4k followers), Health & Fitness (83k followers) and Artificial Intelligence (474.3k followers) on Product Hunt. Together, these topics include over 181k products, making this a competitive space to launch in.
Who hunted Koiven?
Koiven was hunted by Vyzenna. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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