# Water vs Challenges Aid

The clearest difference is rating: Challenges Aid at 4.1 against Water's 3.5. Challenges Aid also leads on monetization model (freemium vs subscription). Water's advantage is review sentiment (39% vs 30%) and ratings volume (23 vs 7). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Water sells 5 in-app purchases, starting at $0.99 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.

Challenges Aid holds the better App Store score, 4.1 against 3.5. Both are backed by a comparable volume of ratings — 23 and 7 respectively. Written reviews complicate that: 39% of Water's written reviews are positive against 30% of Challenges Aid's, so the app with the better star average is not the one people write more warmly about.

Water ships an update every 3 weeks, Challenges Aid fortnightly. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Water | Challenges Aid |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (23 ratings)](https://appshunter.io/ios/app/water-tracker-reminder/id1664121598/reviews) | **[4.1 (7 ratings)](https://appshunter.io/ios/app/challenges-aid/id6443764002/reviews)** |
| Number of ratings | **23** | 7 |
| Positive reviews | **39.3% of reviews** | 30.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Subscription | **Freemium** |
| Size | 14 MB | 8 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Klimenko](https://appshunter.io/developer/1536539445) | [Tim Hilker](https://appshunter.io/developer/1473865123) |

## What reviewers say

### Water

[App page](https://appshunter.io/ios/app/water-tracker-reminder/id1664121598)

This app helps you monitor your daily water intake and stay hydrated. It allows you to log drinks, set personalized goals, and receive timely reminders to ensure you meet your hydration targets. Visualize your progress with detailed graphs and track various beverage types.

**Highlights:** Record and track water intake, Set personalized hydration goals, Customizable drink reminders, Log various types of drinks, Detailed daily history, Visual progress graphs, Apple Health and Watch support

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Water (Month) | $0.99 | per month |
| Water (Year/Offer) | $8.99 | per year |
| Water (Year) | $12.99 | per year |
| Billed once | $0.99 | one-time |
| Access to drink varieties | $1.99 | one-time |


### 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 free?

Water 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 or Challenges Aid?

Challenges Aid is rated higher. Water averages 3.5 out of 5 from 23 ratings, while Challenges Aid averages 4.1 from 7 ratings.

### Do Water or Challenges Aid have ads?

Neither Water nor Challenges Aid shows ads.

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

Water ships an update every 3 weeks, and Challenges Aid fortnightly. Most recently, Water was updated on October 16, 2026 and Challenges Aid on October 1, 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.*