# Hydration Tracker vs Mai Bailario

The clearest difference is in-app purchases: Mai Bailario at none against Hydration Tracker's 5. Mai Bailario also leads on ads (none vs shown). Hydration Tracker's advantage is update cadence (every 9 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Hydration Tracker sells 5 in-app purchases, starting at $1.49 per 7 days. Mai Bailario asks for nothing beyond the download.

Hydration Tracker ships an update every 9 days, Mai Bailario monthly. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Hydration Tracker | Mai Bailario |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/hydration-tracker-liquid-cats/id6744845359/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 87.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 34 MB | 10 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Nikita Zhukov](https://appshunter.io/developer/974791842) | [Atlas Codes LTD](https://appshunter.io/developer/1757136727) |

## What reviewers say

### Hydration Tracker

[App page](https://appshunter.io/ios/app/hydration-tracker-liquid-cats/id6744845359)

This gamified hydration tracker helps you build a healthy habit of drinking water regularly. It offers smart reminders, customizable goals based on your profile, and a collection of fun cat characters to keep you motivated. Track various beverages and view your progress with detailed logs and statistics.

**Highlights:** Gamified hydration tracking, Smart daily water reminders, Customizable goal calculator, Collection of cat characters, Log of 38 popular beverages, Detailed history and stats, Ad-free experience

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.49 | per 7 days |
| Monthly | $2.99 | per month |
| Annual | $8.99 | per year |
| Cats friend | Free | one-time |
| Lifetime | $17.99 | one-time |


### Mai Bailario

[App page](https://appshunter.io/ios/app/mai-bailario/id6759043159)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hydration Tracker free?

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

### Is Mai Bailario free?

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

### Do Hydration Tracker or Mai Bailario have ads?

Hydration Tracker shows ads; Mai Bailario does not.

### Which is updated more often, Hydration Tracker or Mai Bailario?

Hydration Tracker ships an update every 9 days, and Mai Bailario monthly. Most recently, Hydration Tracker was updated on November 5, 2026 and Mai Bailario on November 4, 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.*