# Simple Migraine Tracker vs Hydrator

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.

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.

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.

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.

## The numbers

| Metric | Simple Migraine Tracker | Hydrator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (53 ratings)](https://appshunter.io/ios/app/simple-migraine-tracker/id1506097067/reviews)** | [3.8 (4 ratings)](https://appshunter.io/ios/app/hydrator-smart-hydration/id6751470498/reviews) |
| Number of ratings | **53** | 4 |
| Positive reviews | 48.5% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 201 MB | 73 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Huki Labs](https://appshunter.io/developer/1843269542) | [Jonathan Terry](https://appshunter.io/developer/1372094093) |

## What reviewers say

### Simple Migraine Tracker

[App page](https://appshunter.io/ios/app/simple-migraine-tracker/id1506097067)

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:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership | $9.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium Monthly | $9.99 | per month |
| Premium Membership 6 Months | $24.99 | per 6 months |
| Premium Membership 12 Months | $39.99 | per year |
| Premium Yearly | $39.99 | per year |
| Premium yearly | $39.99 | per year |
| Unlock Additional Features | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 10 Weather Tokens | $2.99 | one-time |


### Hydrator

[App page](https://appshunter.io/ios/app/hydrator-smart-hydration/id6751470498)

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:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydrator Pro - Monthly | $0.99 | per month |
| Hydrator Pro - Yearly | $9.99 | per year |
| Hydrator Pro Perpetual | Free | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*