# WaterGuru vs The Phantom App

The clearest difference is review sentiment: WaterGuru at 74% against The Phantom App's 14%. WaterGuru also leads on rating (4.1 vs 2.1) and ratings volume (239 vs 12). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WaterGuru holds the better App Store score, 4.1 against 2.1. That said, the two scores are not equally well evidenced: WaterGuru has 239 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 74% of WaterGuru's written reviews are positive against 14% of The Phantom App's.

WaterGuru ships an update every 4 weeks, The Phantom App every 3 weeks. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | WaterGuru | The Phantom App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (239 ratings)](https://appshunter.io/ios/app/waterguru/id1372295527/reviews)** | [2.1 (12 ratings)](https://appshunter.io/ios/app/the-phantom-app/id6473840572/reviews) |
| Number of ratings | **239** | 12 |
| Positive reviews | **73.8% of reviews** | 14.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 155 MB | 139 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [WaterGuru, Inc](https://appshunter.io/developer/1153080819) | [Osmar Uziel Martinez Lopez](https://appshunter.io/developer/1720010926) |

## What reviewers say

### WaterGuru

[App page](https://appshunter.io/ios/app/waterguru/id1372295527)

This app provides comprehensive control over your pool's water chemistry. It helps maintain a safe environment by keeping out harmful contaminants and offers lab-grade analysis and treatment advice for simplified pool management.

**Highlights:** Pool water chemistry control, Harmful virus and bacteria prevention, Lab-grade analysis, Water treatment advice, Simplified pool management

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

**In-app purchases:** none

**What reviewers like**

- 💰 Money saver
- 🔍 Accurate readings
- 🕰️ Convenient daily monitoring
- 👨‍💻 Excellent customer service
- 🔧 Easy to use

**What reviewers complain about**

- 🐛 Connectivity issues
- 🔋 Battery drain
- 🤖 Inaccurate readings for some parameters
- 💸 Expensive cartridges
- 🤷‍♂️ Unreliable device

**Reported bugs**

- App notifications not working properly
- Inability to upload pool photos
- Inconsistent app performance after updates

**Requested features**

- Ability to set custom testing schedule
- Measure salt levels
- Provide more advice on adjusting water chemistry
- Add hourly temperature readings


### The Phantom App

[App page](https://appshunter.io/ios/app/the-phantom-app/id6473840572)

Experience chess like never before with infinite possibilities. Play solo or with a partner, and interact with the board in innovative ways. Discover new moves and elevate your game.

**Highlights:** Infinite chess possibilities, Solo play mode, Two-player mode, Interactive board features, Discover new moves

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

**In-app purchases:** none


## Frequently asked questions

### Is WaterGuru free?

WaterGuru is free to download, with no in-app purchases.

### Is The Phantom App free?

The Phantom App is free to download, with no in-app purchases.

### Which has better reviews, WaterGuru or The Phantom App?

WaterGuru is rated higher. WaterGuru averages 4.1 out of 5 from 239 ratings, while The Phantom App averages 2.1 from 12 ratings.

### Do WaterGuru or The Phantom App have ads?

Neither WaterGuru nor The Phantom App shows ads.

### Which is updated more often, WaterGuru or The Phantom App?

WaterGuru ships an update every 4 weeks, and The Phantom App every 3 weeks. Most recently, WaterGuru was updated on November 2, 2026 and The Phantom App on November 4, 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.*