# Water Tracker CoffeeWatch vs PetDrinkDiary

The clearest difference is in-app purchases: PetDrinkDiary at none against Water Tracker CoffeeWatch's 3. PetDrinkDiary also leads on rating (5.0 vs 4.6) and review sentiment (100% vs 75%). Water Tracker CoffeeWatch's advantage is ratings volume (7 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Water Tracker CoffeeWatch sells 3 in-app purchases, starting at $1.99 per 7 days. PetDrinkDiary asks for nothing beyond the download.

PetDrinkDiary holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews point the same way: 75% of Water Tracker CoffeeWatch's written reviews are positive against 100% of PetDrinkDiary's.

Water Tracker CoffeeWatch ships an update every 5 days, PetDrinkDiary every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Water Tracker CoffeeWatch | PetDrinkDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/water-tracker-coffeewatch/id6748468232/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/petdrinkdiary/id6783237058/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | Freemium | **Free** |
| Size | 83 MB | 36 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Shutong Technology](https://appshunter.io/developer/1803950076) | [馨月 盘](https://appshunter.io/developer/1896618409) |

## What reviewers say

### Water Tracker CoffeeWatch

[App page](https://appshunter.io/ios/app/water-tracker-coffeewatch/id6748468232)

Monitor your caffeine intake and understand its impact on your body. Visualize your 24-hour metabolism curve and receive personalized insights to optimize focus and sleep.

**Highlights:** Real-time caffeine monitoring, 24-hour metabolism curve, One-tap drink logging, Caffeine trends and history, Sleep-friendly reminders, Apple Watch integration, Widgets and Lock Screen info

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Caffeine Tracker Premium Week | $1.99 | per 7 days |
| Coffee Watch - Premium Year | $29.99 | per year |
| Caffeine Tracker LifetimeMembership | $39.99 | one-time |


### 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 CoffeeWatch free?

Water Tracker CoffeeWatch 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 CoffeeWatch or PetDrinkDiary?

PetDrinkDiary is rated higher. Water Tracker CoffeeWatch averages 4.6 out of 5 from 7 ratings, while PetDrinkDiary averages 5.0 from 2 ratings.

### Do Water Tracker CoffeeWatch or PetDrinkDiary have ads?

Neither Water Tracker CoffeeWatch nor PetDrinkDiary shows ads.

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

Water Tracker CoffeeWatch ships an update every 5 days, and PetDrinkDiary every 3 days. Most recently, Water Tracker CoffeeWatch was updated on November 5, 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.*