WaterGuru vs MRCOOL Connect
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.
MRCOOL Connect
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Innovative heating & air solutions for your family.
Screenshots
Verdict
The clearest difference is ads: WaterGuru at none against MRCOOL Connect's shown. MRCOOL Connect's advantage is update cadence (every 4 days vs every 4 weeks) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support 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 ships an update every 4 weeks, MRCOOL Connect every 4 days. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | WaterGuru | MRCOOL Connect |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (238 ratings) — better | — |
| Positive reviews | 73.8% of reviews | — |
| Number of ratings | 238 — better | — |
| Update frequency | Every 4 weeks | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 155 MB | 199 MB |
| Age rating | 4+ | 9+ |
| Developer | WaterGuru, Inc | HVAC Distributing LLC |
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
MRCOOL Connect
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WaterGuru
No in-app purchases
MRCOOL Connect
No in-app purchases
