# Wottle vs Hydra

The clearest difference is in-app purchases: Hydra at none against Wottle's 3. Hydra also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Wottle sells 3 in-app purchases, starting at $2.99 per month. Hydra asks for nothing beyond the download.

## The numbers

| Metric | Wottle | Hydra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wottle-water-tracker/id6758646796/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | — |
| Monetization | Freemium | — |
| Size | 6 MB | 23 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hui Chan Seo](https://appshunter.io/developer/1752535972) | [Obadah Almheidat](https://appshunter.io/developer/6783860344) |

## What reviewers say

### Wottle

[App page](https://appshunter.io/ios/app/wottle-water-tracker/id6758646796)

Visually track your daily fluid intake with a dynamic wave animation that changes color based on your beverage choices. Monitor your hydration purity score and build healthy habits with smart reminders and progress charts.

**Highlights:** Animated wave visualization of drink mix, Daily purity score (0-100), Track water, coffee, tea, juice, and custom drinks, Weekly charts and beverage breakdown, Smart quick-add buttons, Configurable reminders, Apple Health sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wottle Pro Monthly | $2.99 | per month |
| Wottle Pro Yearly | $19.99 | per year |
| Wottle Pro lifetime | $39.99 | one-time |


### Hydra

[App page](https://appshunter.io/ios/app/hydra/id6783860342)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wottle free?

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

### Is Hydra free?

Hydra is free to download, with no in-app purchases.

### Do Wottle or Hydra have ads?

Neither Wottle nor Hydra shows ads.

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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.*