Comparison

Hydralert vs Water Requirement

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

Head to head
About

Hydralert

Easily track your fluid intake, including water, caffeine, and alcohol, to maintain optimal hydration. Set personalized goals and gain insights into your hydration patterns with user-friendly analytics. Achieve your daily hydration targets with this intuitive health companion.

Highlights
  • Hydration tracking
  • Caffeine and alcohol monitoring
  • Customizable hydration goals
  • Insightful hydration analytics
  • User-friendly interface
Features
Read full description

Hydralert is a mobile application designed to help users maintain optimal hydration levels. It focuses on tracking the intake of various fluids, including water, caffeine, and alcohol, providing a comprehensive view of one's hydration status. Here are some key features of Hydralert: Hydration Tracking: Users can log their water intake throughout the day. The app allows for easy input and tracking of how much water they drink, helping them meet their daily hydration goals. Caffeine and Alcohol Monitoring: In addition to water, Hydralert tracks the consumption of beverages like coffee, tea, and alcohol. This feature is particularly useful for understanding how different types of drinks affect overall hydration. Customizable Goals: The app offers personalized hydration goals based on the user's individual needs, lifestyle, and activity level. Users can set and adjust their daily water intake targets as needed. Insightful Analytics: Hydralert provides users with analytics and insights into their hydration patterns. This data helps users understand their habits and make informed decisions to improve their hydration. User-Friendly Interface: The app boasts an intuitive and easy-to-navigate interface, making it accessible for users of all ages and tech-savviness levels. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Water Requirement

Features
Read full description

This is an app that lets you easily and simply record your hydration. You can obtain the temperature and humidity of your current location and use them as a reference for the amount of hydration you need for that day. Why not start recording your hydration volume today to maintain your health? ・Simple and easy-to-read screen ・No complicated operations ・Records hydration intake up to one month in advance ・Automatically displays weather information for your current location.  On hot or dry days, the amount of water lost through sweating increases.  Try to drink more water.

Screenshots

Hydralert4 screens
Water Requirement4 screens

Verdict

The call

The clearest difference is in-app purchases: Water Requirement at none against Hydralert's 3. Hydralert's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price, device support and iOS requirement 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. Hydralert sells 3 in-app purchases, starting at $2.99 per month. Water Requirement asks for nothing beyond the download.

UpkeepUpdate frequency

Hydralert ships an update every 2 days, Water Requirement every 4 months. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.

Scorecard3 real differences · 6 level
Hydralert versus Water Requirement: the parameters behind the verdict, then further details
ParameterHydralertWater Requirement
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 2 days — betterEvery 4 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.2 — better
Further details — not scored
Size69 MB17 MB
Age rating4+12+
DeveloperColby MehmenYuta Endo

In-app purchases

3 purchases

Hydralert

Subscriptions2
  • Monthly$2.991 Month
  • Annually3 Days trial$9.991 Year
One-time1
  • Lifetime Access$14.99
None

Water Requirement

No in-app purchases

Questions

Is Hydralert free?
Hydralert is free to download, with in-app purchases available.
Is Water Requirement free?
Water Requirement is free to download, with no in-app purchases.
Do Hydralert or Water Requirement have ads?
Water Requirement shows ads; Hydralert does not.
Which is updated more often, Hydralert or Water Requirement?
Hydralert ships an update every 2 days, and Water Requirement every 4 months. Most recently, Hydralert was updated on October 8, 2026 and Water Requirement on October 27, 2026.

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