# Simply Water Hydration Tracker vs Vyyz

The clearest difference is monetization model: Simply Water Hydration Tracker at free with in-app purchases against Vyyz's subscription. Simply Water Hydration Tracker also leads on update cadence (weekly vs every 3 months) and iOS requirement (16.4 vs 18.5). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Simply Water Hydration Tracker sells 1 one-off in-app purchase and Vyyz sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Simply Water Hydration Tracker ships an update weekly, Vyyz every 3 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Simply Water Hydration Tracker | Vyyz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/simply-water-hydration-tracker/id6742065968/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 51 MB | 28 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [Corey Foster](https://appshunter.io/developer/1492748951) | [Tamas Bartal](https://appshunter.io/developer/896478676) |

## What reviewers say

### Simply Water Hydration Tracker

[App page](https://appshunter.io/ios/app/simply-water-hydration-tracker/id6742065968)

Effortlessly track your daily water intake with a beautiful, minimalist interface. Set personal hydration goals and view your progress with quick-log presets or custom amounts. Your data remains private and on your device.

**Highlights:** Quick-log presets, Custom amount logging, Daily goal tracking, Hydration history, Metric & Imperial support, Minimalist design, Dark mode

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $1.99 | one-time |


### Vyyz

[App page](https://appshunter.io/ios/app/vyyz/id6746981331)

This app helps you track your daily water intake with simple, one-tap logging. It offers smart reminders, weather-based intelligence, and integrates with Apple Health, all while prioritizing your privacy with local data storage.

**Highlights:** One-tap water logging, Complete privacy with local storage, Apple Watch app and multi-device sync, Smart, schedule-aware reminders, Weather-based hydration nudges, Apple Health integration, Personalized daily goal calculator

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $3.99 | per month |
| One-year subscription | $44.99 | per year |


## Frequently asked questions

### Is Simply Water Hydration Tracker free?

Simply Water Hydration Tracker is free to download, with in-app purchases available.

### Is Vyyz free?

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

### Do Simply Water Hydration Tracker or Vyyz have ads?

Neither Simply Water Hydration Tracker nor Vyyz shows ads.

### Which is updated more often, Simply Water Hydration Tracker or Vyyz?

Simply Water Hydration Tracker ships an update weekly, and Vyyz every 3 months. Most recently, Simply Water Hydration Tracker was updated on October 30, 2026 and Vyyz on November 5, 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.*