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Screenshots

  • HydraIQ — Smart Hydration screenshot 1
  • HydraIQ — Smart Hydration screenshot 2
  • HydraIQ — Smart Hydration screenshot 3
  • HydraIQ — Smart Hydration screenshot 4

About HydraIQ — Smart Hydration

Track every glass and build a daily hydration habit. HydraIQ adapts your daily goal to your weight and activity, sends gentle reminders, and visualises your streak. Most hydration apps just tally glasses. HydraIQ predicts when your body is heading toward dehydration and nudges you before thirst kicks in. Powered by live weather, your Apple Watch heart-rate signals, and your daily patterns. • SMART DAILY TARGET — Recalculated live from your weight, temperature, humidity and activity. No static 2-litre rule. • PREDICTIVE ALERTS — HydraIQ spots the gap between when you drank last and what your body needs, and nudges you with a friendly notification a few minutes BEFORE you'd feel thirsty. • APPLE WATCH COMPLICATION — Watch face complication with your live hydration state (Well Hydrated / Drink Soon / Hydrate Now) and percent of daily target. Log a drink straight from your wrist. • CLEAN DAILY DASHBOARD — At a glance: your target, what's been logged, and how you're trending through the day. • WEATHER-AWARE GOALS — Hot day? Humid? HydraIQ raises your target automatically so you don't fall behind. • DRINK TYPES THAT MATTER — Water, sports drinks, and coffee are tracked separately. Coffee counts at 70% hydration because caffeine is mildly diuretic. • FULL HISTORY — See your hydration trend over days, weeks and months. HYDRAIQ PRO HydraIQ Pro unlocks the predictive brain: • Predictive hydration alerts that learn your habits • Apple Watch complication on all watch faces • Weather-aware dynamic goals • Unlimited history and trends • Skin-type aware recommendations Subscribe: Monthly £1.99 or Annual £14.99 (best value — saves over 37%). Payment is charged to your Apple ID on confirmation of purchase. Subscription auto-renews unless cancelled at least 24 hours before the end of the current period. Manage or cancel in Settings > Apple ID > Subscriptions. Terms of Use: https://maddisys.co.uk/terms Privacy Policy: https://maddisys.co.uk/privacy HydraIQ does not sell your data. Health data is stored on your device.

What’s new

Version 1.0.9 · Updated September 22, 2026

The app is built around a dark design, but menus, pickers and share sheets were still following your phone's light setting and flashing bright against it. Everything now stays dark, so the whole app looks like one piece.

App privacy

The developer, Maddisys Limited, reported these privacy practices to Apple.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Usage Data: Product Interaction

Data Linked to You

The following data, which may be collected and linked to your identity, may be used for the following purposes:

  • Usage Data: Product Interaction

Used for: Analytics

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:

  • Identifiers: Device ID

Used for: Third-Party Advertising, Analytics

Alternatives to HydraIQ — Smart Hydration

Looking for apps like HydraIQ — Smart Hydration? Here are 6 similar apps on the App Store. The highest rated is Water+ Tracker and Reminder (5.0/5), and all 6 are free to download.

HydraIQ — Smart Hydration vs. alternatives
App Rating Price Last updated
HydraIQ — Smart Hydration – Free September 22, 2026
Cold Plunge Tracker by ICY 4.5 / 5 (4) Free Jun 20, 2025
Water+ Tracker and Reminder 5.0 / 5 (4) Free May 28, 2026
AirSword: Step Counter Quest 5.0 / 5 (1) Free Jun 19, 2026
Self-Esteem Test – Free Sep 5, 2026
Liveat - לחיים בריאים יותר – Free Nov 21, 2024
Water Tracker by Waterlyo 4.6 / 5 (20) Free Sep 17, 2026