WaterGuru vs The Phantom App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WaterGuru
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.
- Pool water chemistry control
- Harmful virus and bacteria prevention
- Lab-grade analysis
- Water treatment advice
- Simplified pool management
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Get ultimate control over your pool water chemistry with WaterGuru. Keep harmful viruses and bacteria out and simplify how you manage your pool forever. Rebuilt from the ground up, the next generation app includes all features you love and more, including lab grade analysis and water treatment advice.
The Phantom App
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.
- Infinite chess possibilities
- Solo play mode
- Two-player mode
- Interactive board features
- Discover new moves
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The Phantom Chessboard application you can experience playing chess at another level with infinite possibilities, with which you can play individually or as a couple, you can choose your favorite moves and interact with the chess board in an absolutely different way from how it has been played before.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | WaterGuru | The Phantom App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (239 ratings) — better | 2.1 (12 ratings) |
| Positive reviews | 73.8% of reviews — better | 14.3% of reviews |
| Number of ratings | 239 — better | 12 |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 155 MB | 139 MB |
| Age rating | 4+ | 17+ |
| Developer | WaterGuru, Inc | Osmar Uziel Martinez Lopez |
Customer experience
WaterGuru
The Phantom App
Bugs and requests
WaterGuru
Reported bugs
3 issues- App notifications not working properly
- Inability to upload pool photos
- Inconsistent app performance after updates
Requested features
4 requests- Ability to set custom testing schedule
- Measure salt levels
- Provide more advice on adjusting water chemistry
- Add hourly temperature readings
The Phantom App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WaterGuru
No in-app purchases
The Phantom App
No in-app purchases
