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Screenshots

  • H2O: Water Tracker screenshot 1
  • H2O: Water Tracker screenshot 2
  • H2O: Water Tracker screenshot 3
  • H2O: Water Tracker screenshot 4

About H2O: Water Tracker

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

Ratings & reviews

4.3

85 ratings

5 ★ 64% 4 ★ 21% 3 ★ 2% 2 ★ 5% 1 ★ 8%

What’s new

Version 2.1 · Updated October 21, 2026

What's new in 2.1: • Contact us right from Settings. Questions and feedback come straight to us. • Today's goal card now shows the weather adjustment even when it adds nothing, so you can see it's on. • Small fixes and improvements.

App privacy

The developer, Lunarbits LLC, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Identifiers: Device ID
  • Usage Data: Product Interaction

Used for: Analytics, App Functionality

Alternatives to H2O: Water Tracker

Looking for apps like H2O: Water Tracker? Here are 6 similar apps on the App Store. The highest rated is Water Tracker: Log & Reminder (4.8/5), and all 6 are free to download.

H2O: Water Tracker vs. alternatives
App Rating Price Last updated Compare
H2O: Water Tracker 4.3 / 5 (85 ratings) Free October 21, 2026
Daily Water - Drink Reminder 4.3 / 5 (1,134) Free Jun 20, 2026 Compare
Water Tracker: Log & Reminder 4.8 / 5 (2,305) Free Oct 17, 2026 Compare
Drink Water Aquarium 4.7 / 5 (3,601) Free Oct 22, 2026 Compare
Water Tracker - Drink Reminder 4.7 / 5 (3,664) Free Oct 16, 2026 Compare
waterdrop® Hydration App 4.8 / 5 (781) Free Sep 29, 2026 Compare
My Water: Daily Drink Tracker 4.6 / 5 (24,240) Free Oct 22, 2026 Compare

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