# Water Tracker vs PetDrinkDiary

The clearest difference is rating: PetDrinkDiary at 5.0 against Water Tracker's 4.2. PetDrinkDiary also leads on in-app purchases (none vs 3) and review sentiment (100% vs 71%). Water Tracker's advantage is ratings volume (1.1K vs 2). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $6.99 per month. PetDrinkDiary asks for nothing beyond the download.

PetDrinkDiary holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Water Tracker has 1.1K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 71% of Water Tracker's written reviews are positive against 100% of PetDrinkDiary's.

Water Tracker ships an update every 8 days, PetDrinkDiary every 3 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Tracker | PetDrinkDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (1.1K ratings)](https://appshunter.io/ios/app/water-tracker-ihydrate/id907211565/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/petdrinkdiary/id6783237058/reviews)** |
| Number of ratings | **1.1K** | 2 |
| Positive reviews | 71.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 89 MB | 36 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cloforce LLC](https://appshunter.io/developer/565414146) | [馨月 盘](https://appshunter.io/developer/1896618409) |

## What reviewers say

### Water Tracker

[App page](https://appshunter.io/ios/app/water-tracker-ihydrate/id907211565)

This app helps you track your daily water intake with personalized reminders and fun challenges. It offers a variety of features to make hydration engaging, including collectible characters and shareable progress reports. Achieve your hydration goals for improved health and well-being.

**Highlights:** Personalized hydration reminders, Health challenges and quests, Collectible characters, Customizable beverage logging, Apple Watch app, Home screen widgets, Apple Health sync

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.99 | per month |
| Yearly | $49.99 | per year |
| Custom Drinks | $1.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful reminders
- 👍 Customizable drink tracking
- 👍 Connects with health apps
- 👍 Motivating progress tracking

**What reviewers complain about**

- 🐛 Sync issues with Apple Watch
- 🐛 Unreliable account creation
- 🐛 Lost historical data after update
- 💰 Basic features behind paywall
- 🙄 Frequent review prompts

**Reported bugs**

- Cannot create account
- App crashes on launch
- Reminders not saving
- Server connection errors

**Requested features**

- Daily progress view
- Dehydrating drink tracking
- Customizable reminder intervals
- Ability to edit past entries


### PetDrinkDiary

[App page](https://appshunter.io/ios/app/petdrinkdiary/id6783237058)

This app helps you track your daily water intake with the companionship of a virtual cat. It offers customizable reminders, progress visualization, and the ability to create shareable cards of your hydration achievements. The focus is on building a relaxed, healthy habit.

**Highlights:** Cat companion for motivation, Record various drink types, Daily and weekly progress views, Customizable reminders, Generate shareable achievement cards, Apple Health sync, Apple Watch and widget support

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Water Tracker free?

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

### Is PetDrinkDiary free?

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

### Which has better reviews, Water Tracker or PetDrinkDiary?

PetDrinkDiary is rated higher. Water Tracker averages 4.2 out of 5 from 1.1K ratings, while PetDrinkDiary averages 5.0 from 2 ratings.

### Do Water Tracker or PetDrinkDiary have ads?

Neither Water Tracker nor PetDrinkDiary shows ads.

### Which is updated more often, Water Tracker or PetDrinkDiary?

Water Tracker ships an update every 8 days, and PetDrinkDiary every 3 days. Most recently, Water Tracker was updated on November 6, 2026 and PetDrinkDiary 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.*