Launching today

Hydrolotl
Fun Water Tracker App with a Pet Axolotl
2 followers
Fun Water Tracker App with a Pet Axolotl
2 followers
Hydrolotl is a water tracker for iPhone, iPad and Apple Watch where every drink you log fills a pet axolotl's tank. Steady drinking makes its gills bloom and turns bubbles into pearls; on goal days it lays eggs that hatch into 22 colour morphs. Log from widgets, Siri or your wrist. Works with Apple Health and iCloud; no ads, no tracking, no account.





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Render Sandboxes: a computer for every agentIsolated compute, persistent state and a real filesystem
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Hi Product Hunt! I'm the solo developer behind Hydrolotl, from Poland. It came out on the App Store this week.
Why I made it: most water trackers felt like spreadsheets to me. I wanted one where a skipped glass means someone is waiting for you, not a red number.
Every glass you log raises the water in your axolotl's tank. Drink in a steady rhythm and bubbles turn into pearls; hit your goal and it lays eggs that hatch into one of 22 colour morphs. Missing a day doesn't reset anything.
Logging has to be one tap, so it works from widgets, Control Center, the Action Button, Siri, a Live Activity and the Watch (Digital Crown or Double Tap).
Free: tracking, reminders, widgets, the Watch app, Apple Health and iCloud sync. No ads, no account, no data collected. Optional Plus (rare morphs, a new décor pack every month, 30-day trends) is $1.99/month, $12.99/year with a 7-day trial, or $24.99 once.
I'd love feedback, especially: are the reminders too pushy, or not pushy enough?