Comparison

Simple Migraine Tracker vs Hydrator

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

Head to head
About

Simple Migraine Tracker

Effortlessly log migraine attacks with a single tap. This app automatically gathers crucial data like weather, location, and activity to help you identify patterns and potential triggers without tedious data entry. Sync across devices and integrate with Apple Health for comprehensive insights into your headache patterns.

Highlights
  • One-tap migraine logging
  • Automatic data collection (weather, location, activity)
  • Pattern and trigger identification
  • Cross-device syncing
  • Apple Health integration
  • Privacy-focused data handling
Features
Read full description

Track migraines instantly with one simple tap. Used by thousands of migraine sufferers to quickly track attacks and identify triggers. Simple Migraine Tracker is a migraine diary designed for one reason: simplicity. Most migraine trackers require you to answer dozens of questions when you're already in pain. Simple Migraine Tracker automatically records the important details so you don't have to. When a migraine hits, all you need to do is tap once. Your phone already collects valuable data like weather, location, activity, and time of day. Simple Migraine Tracker uses this information to automatically build a powerful migraine log that helps you understand patterns and triggers. With one tap, Simple Migraine Tracker automatically: • Records the exact time of your migraine attack • Tracks patterns by time of day, day of week, and month • Records weather conditions including temperature and barometric pressure • Helps identify possible migraine triggers and patterns • Logs location to help identify environmental factors • Tracks fitness and activity levels to help understand stress • Syncs your migraine diary across all your devices Simple Migraine Tracker integrates with Apple Health (HealthKit) to analyze activity, heart rate, and other biometric signals that may correlate with migraine attacks. Your privacy is our priority. Your migraine records stay private and under your control. We do not sell your data. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Hydrator

This app helps you effortlessly stay hydrated with personalized reminders and easy drink tracking. Set custom goals, monitor your progress, and sync with health platforms for a complete wellness experience.

Highlights
  • Personalized water goals
  • Smart, adaptive reminders
  • Easy logging for all beverages
  • Streaks and badges for motivation
  • Apple Health and Google Fit integration
  • Distraction-free design
Features
Read full description

Hydrator – The Smart Water Reminder and Hydration Tracker **KEY FEATURES** - Personalized daily water goals based on your weight, activity, and weather - Smart, non-intrusive reminders — specific times, custom intervals, or pace-based - Fast, one-tap water logging - Goals, friends & leaderboards to stay motivated - AI Assistant Integration (MCP): Connect Hydrator to AI assistants and agents over a standard Model Context Protocol (MCP) server - Apple Health Integration - Complete privacy - Clean, distraction-free design - No ads **WORKS ON EVERY DEVICE** The same app on iPhone, Android, and the web, with the same data everywhere. Change phones or open it on a laptop and nothing changes — history, goals, and reminders all come with you. **A LOT FOR FREE** Health sync, goals and streaks, friends and leaderboard, smart reminders, and AI assistant access are all free — the kind of thing many other hydration apps put behind a paywall. Optional Pro adds automatic weather, activity, and weight tracking. Hydrator is a modern, actively maintained app. Many water trackers were last updated years ago; Hydrator keeps current with the latest iOS releases and ships improvements regularly. Stay hydrated, energized, and on track. Free with optional Pro features. Terms & Conditions: https://hydrator.app/terms_and_conditions.html Privacy Policy: https://hydrator.app/privacy_policy.html

Screenshots

Simple Migraine Tracker4 screens
Hydrator4 screens

Verdict

The call

The clearest difference is rating: Simple Migraine Tracker at 4.4 against Hydrator's 3.8. Simple Migraine Tracker also leads on ratings volume (53 vs 4). Hydrator's advantage is update cadence (every 4 days vs every 3 weeks) and review sentiment (67% vs 48%). On price, ads, in-app purchases and monetization model 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. Simple Migraine Tracker sells 10 in-app purchases, starting at $9.99 per month and Hydrator sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Simple Migraine Tracker holds the better App Store score, 4.4 against 3.8. That said, the two scores are not equally well evidenced: Simple Migraine Tracker has 53 ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 48% of Simple Migraine Tracker's written reviews are positive against 67% of Hydrator's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Simple Migraine Tracker ships an update every 3 weeks, Hydrator every 4 days. The most recent releases landed on October 21, 2026 and October 13, 2026 respectively.

Scorecard4 real differences · 6 level
Simple Migraine Tracker versus Hydrator: the parameters behind the verdict, then further details
ParameterSimple Migraine TrackerHydrator
PriceFreeFree
Rating4.4 (53 ratings) — better3.8 (4 ratings)
Positive reviews48.5% of reviews66.7% of reviews — better
Number of ratings53 — better4
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.1 — better15.6
Further details — not scored
Size201 MB73 MB
Age rating4+17+
DeveloperHuki LabsJonathan Terry

Customer experience

Simple Migraine Tracker

All ratings53 ratings
Positive81.1%
Neutral9.4%
Negative9.4%
Written reviews33 reviews
Positive48.5%
Neutral21.2%
Negative30.3%

Hydrator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

10 purchases

Simple Migraine Tracker

Subscriptions7
  • Premium Membership14 Days trial$9.991 Month
  • Premium Monthly1 Month trial$9.991 Month
  • Premium Monthly$9.991 Month
Show 4 more
  • Premium Membership 6 Months14 Days trial$24.996 Months
  • Premium Membership 12 Months14 Days trial$39.991 Year
  • Premium Yearly$39.991 Year
  • Premium yearly1 Month trial$39.991 Year
One-time3
  • Unlock Additional Features$0.99
  • Remove Ads$0.99
  • 10 Weather Tokens$2.99
3 purchases

Hydrator

Subscriptions2
  • Hydrator Pro - Monthly1 Month trial$0.991 Month
  • Hydrator Pro - Yearly1 Month trial$9.991 Year
One-time1
  • Hydrator Pro PerpetualFree

Questions

Is Simple Migraine Tracker free?
Simple Migraine Tracker is free to download, with in-app purchases available.
Is Hydrator free?
Hydrator is free to download, with in-app purchases available.
Which has better reviews, Simple Migraine Tracker or Hydrator?
Simple Migraine Tracker is rated higher. Simple Migraine Tracker averages 4.4 out of 5 from 53 ratings, while Hydrator averages 3.8 from 4 ratings.
Do Simple Migraine Tracker or Hydrator have ads?
Neither Simple Migraine Tracker nor Hydrator shows ads.
Which is updated more often, Simple Migraine Tracker or Hydrator?
Simple Migraine Tracker ships an update every 3 weeks, and Hydrator every 4 days. Most recently, Simple Migraine Tracker was updated on October 21, 2026 and Hydrator on October 13, 2026.

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