Comparison

H2O vs Water App (Reminder & Tracker)

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 App (Reminder & Tracker)

This app helps you track your daily water intake to ensure you stay hydrated. It calculates your recommended intake based on your personal details and provides timely reminders to drink water throughout the day. Monitor your progress with visual statistics and access health tips.

Highlights
  • Personalized daily water intake calculation
  • Customizable drink reminders
  • Track intake by container type
  • Daily, weekly, and monthly statistics
  • Choice of measurement units
  • Health tips on hydration
Features
Read full description

Adequate amount of water is required for good health, glowing skin & weight loss. Most of us do not drink enough quantity of water daily. Water App (Reminder & Tracker) will help you to drink water adequately and regularly. Your daily adequate water intake is computed with reference to the scientific opinion given through a study by European Food Safety Authority (EFSA). You just have to simply feed your gender and age in Water App (Reminder & Tracker) and you get your daily adequate water intake. Of course you can very easily change your water intake quantity anytime based on your physical activity, environmental conditions, diet, health & medication and range of other factors. Water App (Reminder & Tracker) features: 1. Record your water intake in a very easy and simplified manner in the app. Shows animations. You will love it! 2. Gives you reminders to drink water as and when you want. App will suggest start and stop time and interval for reminders but you can change it very easily as per your need. 3. Calculates and displays the amount of water you need to drink more in a day - both in quantity and number of glasses (or bottles – based on whatever you choose). 4. Record your water intake using the container of your choice. Application will suggest some default containers (Bottle, glass or sipper) but you can change it to the one that you normally use. 5. Graphical insight into your water drinking pattern with daily, weekly and monthly statistics 6. Choose unit of measurement - Metric (ml), US Oz and Imperial Oz 7. We have some light reminder sounds. Choose the reminder sound and you may turn it off also whenever you need to. 8. Get tips on health benefits of drinking water and ways to drink more water everyday. Supported in 16 languages: Arabic, Chinese, English, French, German, Indonesian, Italian, Japanese, Korean, Malay, Portuguese, Romanian, Russian, Spanish, Turkish, and Vietnamese. We hope you will like Water App (Reminder & Tracker). Happy water drinking!

Screenshots

H2O4 screens
Water App (Reminder & Tracker)4 screens

Verdict

The call

The clearest difference is rating: H2O at 4.5 against Water App (Reminder & Tracker)'s 3.0. H2O also leads on review sentiment (85% vs 50%) and update cadence (every 3 days vs every 2 months). Water App (Reminder & Tracker)'s advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 26.0). On price, ads, monetization model 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. Water App (Reminder & Tracker) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

H2O holds the better App Store score, 4.5 against 3.0. That said, the two scores are not equally well evidenced: H2O has 192 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 85% of H2O's written reviews are positive against 50% of Water App (Reminder & Tracker)'s.

UpkeepUpdate frequency

H2O ships an update every 3 days, Water App (Reminder & Tracker) every 2 months. The most recent releases landed on November 6, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
H2O versus Water App (Reminder & Tracker): the parameters behind the verdict, then further details
ParameterH2OWater App (Reminder & Tracker)
PriceFreeFree
Rating4.5 (192 ratings) — better3.0 (2 ratings)
Positive reviews84.9% of reviews — better50.0% of reviews
Number of ratings192 — better2
Update frequencyEvery 3 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, Apple WatchiPhone, iPod
Requires iOS26.011.0 — better
Further details — not scored
Size48 MB37 MB
Age rating12+4+
DeveloperLunarbits LLCINNOVATIONM MOBILE AND WEB TECHNOLOGIES PRIVATE LIMITED

Customer experience

H2O

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

Water App (Reminder & Tracker)

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive50.0%
Neutral25.0%
Negative25.0%

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 App (Reminder & Tracker)

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
None

Water App (Reminder & Tracker)

No in-app purchases

Questions

Is H2O free?
H2O is free to download, with in-app purchases available.
Is Water App (Reminder & Tracker) free?
Water App (Reminder & Tracker) is free to download, with no in-app purchases.
Which has better reviews, H2O or Water App (Reminder & Tracker)?
H2O is rated higher. H2O averages 4.5 out of 5 from 192 ratings, while Water App (Reminder & Tracker) averages 3.0 from 2 ratings.
Do H2O or Water App (Reminder & Tracker) have ads?
Neither H2O nor Water App (Reminder & Tracker) shows ads.
Which is updated more often, H2O or Water App (Reminder & Tracker)?
H2O ships an update every 3 days, and Water App (Reminder & Tracker) every 2 months. Most recently, H2O was updated on November 6, 2026 and Water App (Reminder & Tracker) on November 2, 2026.

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