# Water AI vs Slowr

The clearest difference is in-app purchases: Water AI at none against Slowr's 2. Water AI also leads on ads (none vs shown) and update cadence (every 11 days vs every 4 months). On price there is nothing between them.

Both are free to download. Slowr sells 2 in-app purchases, starting at $9.99 per month. Water AI asks for nothing beyond the download.

Water AI ships an update every 11 days, Slowr every 4 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water AI | Slowr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/water-ai-hydration-tracker/id6749095112/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 32 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [James Agib](https://appshunter.io/developer/1633578976) | [Cortexity Ltd](https://appshunter.io/developer/1747476207) |

## What reviewers say

### Water AI

[App page](https://appshunter.io/ios/app/water-ai-hydration-tracker/id6749095112)

This app helps you stay hydrated by creating a personalized plan based on your lifestyle. Simply log your drinks by taking a photo, and receive instant insights into their hydration value. It offers reminders and tools to make tracking simple, personal, and fun.

**Highlights:** Personalized hydration plan, Drink logging via photo, Instant hydration insights, Hydration reminders, Lifestyle-based tracking, Simple and fun interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Slowr

[App page](https://appshunter.io/ios/app/slowr/id6761335467)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slowr Premium (Monthly) | $9.99 | per month |
| Slowr Premium (Yearly) | $24.99 | per year |


## Frequently asked questions

### Is Water AI free?

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

### Is Slowr free?

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

### Do Water AI or Slowr have ads?

Slowr shows ads; Water AI does not.

### Which is updated more often, Water AI or Slowr?

Water AI ships an update every 11 days, and Slowr every 4 months. Most recently, Water AI was updated on November 5, 2026 and Slowr on October 31, 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.*