# waterdrop® Hydration App vs StressBuddy App

The clearest difference is in-app purchases: waterdrop® Hydration App at none against StressBuddy App's 2. StressBuddy App's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StressBuddy App sells 2 in-app purchases, starting at $2.99 per month. waterdrop® Hydration App asks for nothing beyond the download.

waterdrop® Hydration App ships an update every 2 months, StressBuddy App every 2 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | waterdrop® Hydration App | StressBuddy App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (784 ratings)](https://appshunter.io/ios/app/waterdrop-hydration-app/id1535002336/reviews)** | — |
| Number of ratings | **784** | — |
| Positive reviews | 83.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 42 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Waterdrop Microdrink GmbH](https://appshunter.io/developer/1535002338) | [Arla Group LLC](https://appshunter.io/developer/1793706092) |

## What reviewers say

### waterdrop® Hydration App

[App page](https://appshunter.io/ios/app/waterdrop-hydration-app/id1535002336)

This app helps you establish personal hydration goals and daily targets to make drinking water a habit. It tracks your fluid intake, sends reminders, and offers challenges to keep you motivated. It also integrates with Apple Health for automatic target updates based on activity.

**Highlights:** Personalized hydration goals, Daily drinking targets, Fluid intake tracking, Water intake reminders, In-app challenges, Apple Health integration

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none

**What reviewers like**

- 👍 Helps track water intake
- 💡 Challenges and points system motivate users
- 🚀 Easy to use and intuitive
- 👍 Integrates with Waterdrop products
- 👍 Customizable hydration goals

**What reviewers complain about**

- 🐛 Occasional data loss or reset of progress
- 🔍 Limited drink options (no milk, smoothies, etc.)
- 🔍 Cannot edit or backdate entries
- 🔍 Inconsistent tracking of some drink types (e.g. coffee)
- 🔍 Lack of Apple Health integration

**Reported bugs**

- Challenges/progress sometimes reset unexpectedly
- Connectivity issues with Lucy smart cap
- App crashes or freezes on some devices

**Requested features**

- Ability to edit or backdate entries
- Integration with Apple Health
- Option to save custom drink sizes
- Mixing/blending of Waterdrop flavors
- Inventory tracking for Waterdrop products


### StressBuddy App

[App page](https://appshunter.io/ios/app/stressbuddy-app/id6760681557)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StressBuddy Pro Monthly | $2.99 | per month |
| StressBuddy Pro Annual | $29.99 | per year |


## Frequently asked questions

### Is waterdrop® Hydration App free?

waterdrop® Hydration App is free to download, with no in-app purchases.

### Is StressBuddy App free?

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

### Do waterdrop® Hydration App or StressBuddy App have ads?

Neither waterdrop® Hydration App nor StressBuddy App shows ads.

### Which is updated more often, waterdrop® Hydration App or StressBuddy App?

waterdrop® Hydration App ships an update every 2 months, and StressBuddy App every 2 days. Most recently, waterdrop® Hydration App was updated on November 7, 2026 and StressBuddy App 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.*