# Hydrator vs Hydration tracker2

The clearest difference is update cadence: Hydration tracker2 at every 2 days against Hydrator's every 4 days. Hydrator's advantage is iOS requirement (15.6 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Hydrator sells 3 in-app purchases, starting at $0.99 per month and Hydration tracker2 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Hydrator ships an update every 4 days, Hydration tracker2 every 2 days. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Hydrator | Hydration tracker2 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (4 ratings)](https://appshunter.io/ios/app/hydrator-smart-hydration/id6751470498/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 73 MB | 66 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 17+ |
| Developer | [Jonathan Terry](https://appshunter.io/developer/1372094093) | [Paul Matthew](https://appshunter.io/developer/6782300193) |

## What reviewers say

### 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 |


### Hydration tracker2

[App page](https://appshunter.io/ios/app/hydration-tracker2/id6782300191)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hydration Pro | $0.99 | one-time |


## Frequently asked questions

### Is Hydrator free?

Hydrator is free to download, with in-app purchases available.

### Is Hydration tracker2 free?

Hydration tracker2 is free to download, with in-app purchases available.

### Do Hydrator or Hydration tracker2 have ads?

Neither Hydrator nor Hydration tracker2 shows ads.

### Which is updated more often, Hydrator or Hydration tracker2?

Hydrator ships an update every 4 days, and Hydration tracker2 every 2 days. Most recently, Hydrator was updated on October 13, 2026 and Hydration tracker2 on October 11, 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.*