# waterdrop® Hydration App vs Simple Hydration Tracker

The clearest difference is in-app purchases: waterdrop® Hydration App at none against Simple Hydration Tracker's 2. waterdrop® Hydration App also leads on ads (none vs shown) and ratings volume (770 vs 1). Simple Hydration Tracker's advantage is review sentiment (100% vs 83%) and rating (5.0 vs 4.8). On price, update cadence, monetization model and device support there is nothing between them.

Both are free to download. Simple Hydration Tracker sells 2 in-app purchases, starting at $1.49 per month. waterdrop® Hydration App asks for nothing beyond the download.

Simple Hydration Tracker holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: waterdrop® Hydration App has 770 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 83% of waterdrop® Hydration App's written reviews are positive against 100% of Simple Hydration Tracker's.

waterdrop® Hydration App ships an update every 2 months, Simple Hydration Tracker every 4 weeks. The most recent releases landed on September 24, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | waterdrop® Hydration App | Simple Hydration Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (770 ratings)](https://appshunter.io/ios/app/waterdrop-hydration-app/id1535002336/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377/reviews)** |
| Number of ratings | **770** | 1 |
| Positive reviews | 83.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 96 MB | 51 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Waterdrop Microdrink GmbH](https://appshunter.io/developer/1535002338) | [NAOYA ONO](https://appshunter.io/developer/1530328146) |

## 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


### Simple Hydration Tracker

[App page](https://appshunter.io/ios/app/simple-hydration-tracker/id6447656377)

Easily log your daily water intake by selecting beverages, amounts, and times. Review your hydration habits with weekly and monthly charts. Add past entries and customize drink options for a stress-free experience.

**Highlights:** Easy drink logging, Add past entries, Weekly/monthly analysis charts, Customizable drink list, No login required

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $1.49 | per month |
| Support Developer | $0.99 | one-time |


## Frequently asked questions

### Is waterdrop® Hydration App free?

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

### Is Simple Hydration Tracker free?

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

### Which has better reviews, waterdrop® Hydration App or Simple Hydration Tracker?

Simple Hydration Tracker is rated higher. waterdrop® Hydration App averages 4.8 out of 5 from 770 ratings, while Simple Hydration Tracker averages 5.0 from 1 ratings.

### Do waterdrop® Hydration App or Simple Hydration Tracker have ads?

Simple Hydration Tracker shows ads; waterdrop® Hydration App does not.

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

waterdrop® Hydration App ships an update every 2 months, and Simple Hydration Tracker every 4 weeks. Most recently, waterdrop® Hydration App was updated on September 24, 2026 and Simple Hydration Tracker on June 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*