WaterGuru vs Caseys Big Things
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.
Caseys Big Things
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The app helps Tourists find all the Big Things, World\\\'s Largest, and Points of Interest in Casey, Illinois
Screenshots
Verdict
WaterGuru and Caseys Big Things are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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, Caseys Big Things every 3 weeks. Both last shipped on October 25, 2026.
| Parameter | WaterGuru | Caseys Big Things |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (239 ratings) — better | — |
| Positive reviews | 73.8% of reviews | — |
| Number of ratings | 239 — better | — |
| Update frequency | Every 4 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 155 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | WaterGuru, Inc | Christopher Russell |
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
Caseys Big Things
Not enough reviews yet to summarise bugs or requests.
In-app purchases
WaterGuru
No in-app purchases
Caseys Big Things
No in-app purchases
Questions
Is WaterGuru free?
Is Caseys Big Things free?
Do WaterGuru or Caseys Big Things have ads?
Which is updated more often, WaterGuru or Caseys Big Things?
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