One tap is enough
Keep familiar cup sizes ready so a quick log does not become another task.
PurposeLab apps / WaterWise
A gentler water log
A small water habit, without the pressure
Log a drink in one tap, choose quiet reminders, and pick up where you left off - no streak to protect and no judgment when life gets busy.
Free
No Ads Ever
Works Offline
No Account Needed
Made for ordinary days
Reminders on your terms
Choose an interval and sleep hours; reminders pause at night and stop when you reach the goal you set.
Keep it local
Works offline with no account needed. Your water log is stored on your device.
Screenshots
Want a starting point to consider? Try the Daily Water Intake Calculator.
Comparing water apps? Read the water reminder app guide.
A low-friction rhythm
Log the drink, carry on
Tap a saved cup size and get back to your day. There are no forms or ads in the logging flow.
A clear logging screen
The moment you log stays focused: no banner, video, or paywall interruption.
Choose or adjust a goal
Use the weight-based estimate as a starting point, or set a goal that makes sense for you.
Let reminders be gentle
Set an interval, quiet hours, and sounds. Reminders pause during sleep time and stop at your chosen goal.
See today at a glance
A progress ring shows what you have logged today. Missed days are simply missed days - not a score to recover.
Keep the next action nearby
The home-screen widget offers a quick log button and progress ring without opening the app.
Help reminders stay available
Find battery optimisation guidance for Samsung, Xiaomi, OnePlus, and other Android phones.
Correct the record with ease
Edit or delete a mistaken entry, or add a late one, without turning the day into a failure.
Support, not a scorecard
WaterWise is for the small moments when you want to remember a drink - not for managing another project.
WaterWise keeps the routine light. Log what you want, adjust the reminder schedule, and return tomorrow without a streak or a scolding.
The goal is a useful record and a gentle prompt, not a health prescription.
Return when it is useful
WaterWise is a simple water logging and reminder tool. Your settings and goal remain yours to adjust.
Open WaterWise on Google PlayFrequently Asked Questions
Is WaterWise free?
Yes. WaterWise is completely free with no ads, no subscriptions, and no paywall. All features are available from day one.
How much water should I drink daily?
The National Academies' adequate-intake figures are about 2.7 liters for women and 3.7 liters for men, including water from food and every beverage. They are population reference values, not personal prescriptions. WaterWise offers an editable weight-based starting estimate; activity, climate, health, pregnancy, and clinician advice can change what is appropriate for you.
Source: National Academies: Dietary Reference Intakes for Water.
Does WaterWise need an internet connection?
No. WaterWise works completely offline. All data is stored locally. No account or sign-up required.
Does WaterWise have a widget?
Yes. A home screen widget shows your daily progress and lets you log water with a single tap without opening the app.
How do reminders work?
Smart reminders throughout your waking hours at intervals you choose. They pause during sleep time and stop once you hit your daily goal.
Does WaterWise collect my data?
No. All data is stored locally on your phone only. There is no account, no cloud sync, and no personal data collection.
Can I track other beverages besides water?
WaterWise focuses on water intake tracking to keep things simple. You can log different container sizes to match your actual drinking habits.
What are hydration streaks?
Streaks track consecutive days you've hit your water goal. They provide motivation to build a consistent hydration habit.
Related Articles
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How Much Water Should I Actually Drink? The Science Behind Daily Hydration Goals
The 8 glasses rule is outdated. Calculate your actual daily water intake based on weight, activity, and climate.
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Why Water Tracking Apps Are Full of Ads (And What to Do About It)
The economics behind free hydration apps, and how to find an ad-free alternative.
From the blog
How Much Water Should I Drink Daily?
What the science actually says about your daily target.
Why Water Apps Are Full of Ads
The economics behind free hydration apps, and how to avoid them.
Water Reminder App Without Ads: What to Look For
What ad-free should mean, one-tap logging, a widget, gentle reminders.
Also from PurposeLab
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