# Water Tracker vs Challenges Aid

Water Tracker and Challenges Aid both sit at 4.2 stars, but that hides the real split: 71% of Water Tracker's written reviews are positive against 30% of Challenges Aid's. Water Tracker also leads on ratings volume (1.1K vs 7). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Water Tracker sells 3 in-app purchases, starting at $6.99 per month and Challenges Aid sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.2 for Water Tracker against 4.1 for Challenges Aid. That said, the two scores are not equally well evidenced: Water Tracker has 1.1K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 71% of Water Tracker's written reviews are positive against 30% of Challenges Aid's.

Water Tracker ships an update every 8 days, Challenges Aid fortnightly. The most recent releases landed on September 22, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | Water Tracker | Challenges Aid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (1.1K ratings)](https://appshunter.io/ios/app/water-tracker-ihydrate/id907211565/reviews)** | [4.1 (7 ratings)](https://appshunter.io/ios/app/challenges-aid/id6443764002/reviews) |
| Number of ratings | **1.1K** | 7 |
| Positive reviews | **71.1% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 89 MB | 8 MB |
| Requires iOS | **16.2** | 17.0 |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cloforce LLC](https://appshunter.io/developer/565414146) | [Tim Hilker](https://appshunter.io/developer/1473865123) |

## 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


### Challenges Aid

[App page](https://appshunter.io/ios/app/challenges-aid/id6443764002)

This app helps you track and achieve your monthly Apple Watch fitness challenges. It provides insights into your progress, offers reminders, and displays your achievements through a history tab and customizable widgets.

**Highlights:** Monthly challenge progress tracking, Historical achievement overview, Motivational messages, Home and Lock Screen widgets, Limited Edition Challenge tracking, Customizable reminders

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $0.99 | per month |
| Plus Yearly | $9.99 | per year |
| Plus Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Water Tracker free?

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

### Is Challenges Aid free?

Challenges Aid is free to download, with in-app purchases available.

### Which has better reviews, Water Tracker or Challenges Aid?

Water Tracker is rated higher. Water Tracker averages 4.2 out of 5 from 1.1K ratings, while Challenges Aid averages 4.1 from 7 ratings.

### Do Water Tracker or Challenges Aid have ads?

Neither Water Tracker nor Challenges Aid shows ads.

### Which is updated more often, Water Tracker or Challenges Aid?

Water Tracker ships an update every 8 days, and Challenges Aid fortnightly. Most recently, Water Tracker was updated on September 22, 2026 and Challenges Aid on July 9, 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.*