Comparison

H2O vs Water Reminder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

H2O

This application helps you monitor your daily water consumption to ensure you stay adequately hydrated. It offers a visually appealing interface with features for quickly logging intake and reviewing your progress.

Highlights
  • Log water intake quickly
  • Preset water amounts
  • Weekly intake graph
  • Full history of entries
  • HealthKit integration
  • Intuitive interface
Features
Read full description

Most water apps give you the same goal every day. H2O raises yours on hot days and after workouts, so you drink what your body actually needs. Log a glass in one tap from your iPhone, Apple Watch or Home Screen, and watch your streak grow on the calendar. H2O makes staying hydrated the easiest habit you'll build. H2O has helped people stay hydrated since 2016, and version 2.0 is rebuilt from the ground up. FEATURES ◉ Daily goals that adapt to the local weather and your workouts in Apple Health. ◉ Quickly add entries with preset water amounts, or enter a custom amount. ◉ An Apple Watch app with complications for your watch face. ◉ Home Screen widgets that log water with one tap. ◉ Gentle reminders to drink throughout the day. ◉ A calendar that shows every day you hit your goal. ◉ Charts of your weekly and monthly water intake. ◉ A full history of water entries. ◉ Apple Health integration and iCloud sync across your devices. ◉ Export your water history as a PDF. ◉ Track in ounces or milliliters. ◉ Support for VoiceOver, Voice Control, Larger Text and Reduced Motion. ◉ A beautiful and intuitive interface! H2O PRO H2O requires H2O Pro, available as a monthly or yearly auto-renewing subscription, or as a one-time lifetime purchase. The yearly plan includes a 7-day free trial for eligible new subscribers. If you used H2O before version 2.0, the app stays free for you, and H2O Pro adds adaptive goals and PDF export. Payment is charged to your Apple Account. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. You can manage or cancel your subscription anytime in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ H2O Terms: https://lunarbits.io/terms.html Privacy Policy: https://lunarbits.io/privacy.html

About

Water Reminder

This app helps you build a personalized hydration routine by tracking water and other drinks. It offers smart goals adjusted for weather, flexible reminders, and progress insights. Log various beverages, sync with Apple Health, and stay motivated with streaks and rewards.

Highlights
  • Personalized daily hydration targets
  • Weather-based goal adjustments
  • Log over 40 types of drinks
  • Apple Watch integration
  • Customizable reminders
  • Home and Lock Screen widgets
  • Hydration challenges and rewards
Features
Read full description

Your hydration routine should fit your day and the weather outside. Water Reminder - DropWise helps you track water and other drinks, remember to take regular sips, and build a routine that works for you. From your morning coffee or tea to your post-workout water, log what you drink in seconds. Follow your daily progress on iPhone, Apple Watch, and convenient widgets. SMART HYDRATION GOALS Your day is not always the same, so your water goal does not have to be either. • Set and follow a personalized daily hydration target. • Get suggested adjustments based on local temperature, humidity, and UV conditions via Apple WeatherKit. • Check your progress at a glance throughout the day. • Stay motivated with gentle, flexible reminders. Weather-based goals are available with DropWise Premium. Suggested estimates serve as an everyday wellness guide, not medical advice. LOG WATER, COFFEE, TEA, AND 40+ DRINKS Keep track of more than just plain water. • Choose from over 40 beverages, including water, coffee, tea, juice, smoothies, and sports drinks. • Create custom drinks with personalized names, icons, and serving sizes. • Use hydration factors to account for different drink types. • Log drinks in fluid ounces (fl oz), cups, or milliliters (ml). APPLE WATCH WATER TRACKER Leave your iPhone in your pocket and keep logging. • Add water and other drinks directly from your wrist. • Use the standalone Apple Watch app. • View your progress with watch face complications. • Keep your drink history in sync between iPhone and Apple Watch. REMINDERS THAT FIT YOUR ROUTINE Busy day? DropWise can help you remember your next sip. • Choose reminder intervals that suit your schedule. • Set quiet hours so notifications do not disturb your rest. • Receive friendly prompts throughout the day. • Make hydration part of your everyday habits. WIDGETS, LIVE ACTIVITIES, AND QUICK ACCESS See how you are doing without constantly opening the app. • Home Screen widgets for easy, one-tap tracking. • Lock Screen widgets for progress at a glance. • Live Activities and Dynamic Island support on compatible devices. • Control Center controls for quick access. HABITS, STREAKS, AND REWARDS Small steps add up. Celebrate the progress you make. • Track daily streaks and personal milestones. • Take part in hydration challenges. • Unlock collectible mascots and achievements. • Enjoy cheerful celebrations when you reach your goal. INSIGHTS THAT MAKE SENSE Understand your drinking patterns over time. • Explore daily, weekly, and monthly hydration charts. • Review beverage breakdowns and consumption trends. • Look back at your progress with monthly recaps. • Share milestones with friends. • Export data as CSV or PDF with DropWise Premium. APPLE HEALTH, ICLOUD, AND SIRI Make your hydration log work with your Apple devices. • Sync dietary water information with Apple Health. • Keep your history updated across devices with iCloud. • Use Siri Shortcuts to log drinks hands-free. • Switch between light and dark appearance. MADE WITH PRIVACY IN MIND Start tracking without creating an account. DropWise's App Store privacy disclosure states that the app does not collect personal data. GO FURTHER WITH DROPWISE PREMIUM Unlock weather-based hydration goals, the full beverage catalog, custom drinks, extra mascots, and data exports. Subscription and purchase options are shown in the app. Whether you want a gentle drink reminder, a simple water intake diary, or a more detailed hydration tracker, DropWise makes it easier to stay consistent, one sip at a time. Download DropWise and make room for a better hydration habit. PRIVACY POLICY https://dijitalworlds.com/privacy-policy-dropwise-water/ TERMS OF USE https://dijitalworlds.com/terms-of-use-water-reminder-dropwise/

Screenshots

H2O4 screens
Water Reminder4 screens

Verdict

The call

The clearest difference is ads: H2O at none against Water Reminder's shown. H2O also leads on update cadence (every 3 days vs every 3 weeks) and monetization model (free vs free with in-app purchases). Water Reminder's advantage is rating (5.0 vs 4.5) and iOS requirement (17.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. H2O sells 4 in-app purchases, starting at $1.99 per month and Water Reminder sells 3 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Water Reminder holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: H2O has 175 ratings behind it against 8, so its average is the more settled of the two.

UpkeepUpdate frequency

H2O ships an update every 3 days, Water Reminder every 3 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

Scorecard6 real differences · 4 level
H2O versus Water Reminder: the parameters behind the verdict, then further details
ParameterH2OWater Reminder
PriceFreeFree
Rating4.5 (175 ratings)5.0 (8 ratings) — better
Positive reviews84.9% of reviews—
Number of ratings175 — better8
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, Apple WatchiPhone, iPad, Apple Watch — better
Requires iOS26.017.0 — better
Further details — not scored
Size48 MB180 MB
Age rating12+4+
DeveloperLunarbits LLCCemal Hekimoglu

Customer experience

H2O

All ratings129 ratings
Positive86.8%
Neutral3.9%
Negative9.3%
Written reviews53 reviews
Positive84.9%
Neutral1.9%
Negative13.2%

Water Reminder

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

H2O

Reported bugs

5 issues
  • App crashes when accessing settings
  • App shuts off when accessing settings
  • Graph feature not working
  • App closes when goal is reached
  • Glitches when reaching goal

Requested features

20 requests
  • Add reminder notifications
  • Allow editing of previous day's entries
  • Add metric units (ml/L)
  • Add widget support
  • Add export to HealthKit option
Show 15 more
  • Add ability to flip to a second profile
  • Add Apple Watch integration
  • Add dark mode
  • Add support for other beverages (coffee, tea)
  • Add Shortcuts support
  • Fix app closing when goal is reached
  • Fix glitches when reaching goal
  • Clarify how to delete entries
  • Add total fluid intake of previous days by each day in history
  • Allow changing the date/time of an entry
  • Allow the app to read HealthKit data
  • Automatically update daily goal with age, weight, and gender
  • Refine daily goal with location and activity data
  • Add a way to donate to the developer
  • Screen adjustment sizes for newer iPhones

Water Reminder

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

H2O

Subscriptions3
  • H2O Pro Monthly2 variants$1.991 Month
  • H2O Pro Yearly7 Days trial$9.991 Year
  • H2O Pro Yearly$9.991 Year
One-time1
  • H2O Pro Lifetime2 variants$19.99
3 purchases

Water Reminder

Subscriptions2
  • Monthly Premium$5.991 Month
  • Annual Premium$9.991 Year
One-time1
  • Lifetime Premium$24.99

Questions

Is H2O free?
H2O is free to download, with in-app purchases available.
Is Water Reminder free?
Water Reminder is free to download, with in-app purchases available.
Which has better reviews, H2O or Water Reminder?
Water Reminder is rated higher. H2O averages 4.5 out of 5 from 175 ratings, while Water Reminder averages 5.0 from 8 ratings.
Do H2O or Water Reminder have ads?
Water Reminder shows ads; H2O does not.
Which is updated more often, H2O or Water Reminder?
H2O ships an update every 3 days, and Water Reminder every 3 weeks. Most recently, H2O was updated on November 2, 2026 and Water Reminder on November 5, 2026.

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