Senrium vs Kactoily
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Senrium
Monitor your aquarium's critical parameters in real-time with this app. It connects to sensors to alert you to emergencies like equipment failures or leaks, offering a simpler alternative to complex aquarium controllers.
- Real-time aquarium parameter monitoring
- Emergency alerts for equipment failure
- Leak detection
- Simple sensor setup
- Customizable limit definitions
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The Senrium app enables mobile devices to connect with a variety of sensor products, offering real-time monitoring of critical aquarium parameters that can swiftly change during emergencies. Currently, the Senrium offers the H1 Aquarium Monitor, which safeguards both you and your aquarium against equipment failures like malfunctioning heaters, chillers, pumps, filters, or leaks. Unlike expensive, cumbersome, and intricate aquarium controllers, Senrium simplifies the setup process: just place the sensor in your tank and define your limits. Senrium will promptly alert you when your aquarium requires attention.
Kactoily
This application monitors water quality for pools, aquariums, and other water bodies. It helps users track essential parameters to maintain healthy water conditions.
- Pool monitoring
- Water quality tracking
- Aquarium monitoring
- Parameter analysis
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pool monitor,water monitor,aquarium monitor
Screenshots
Verdict
The clearest difference is rating: Senrium at 5.0 against Kactoily's 2.5. Kactoily's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price 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. Senrium sells 3 in-app purchases, starting at $2.49 per month. Kactoily asks for nothing beyond the download.
Senrium holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: Kactoily has 11 ratings behind it against 2, so its average is the more settled of the two.
Senrium ships an update every 6 weeks, Kactoily every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Senrium | Kactoily |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 2.5 (11 ratings) |
| Positive reviews | — | 25.0% of reviews |
| Number of ratings | 2 | 11 — better |
| Update frequency | Every 6 weeks | Every 2 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13 — better |
| Further details — not scored | ||
| Size | 64 MB | 62 MB |
| Age rating | 4+ | 4+ |
| Developer | Samuel Steele | 彦浩 宋 |
In-app purchases
Senrium
- Single Aquarium (Monthly)$2.491 Month
- Mutli (Monthly)$3.991 Month
- +Pro (Monthly)$14.991 Month
Kactoily
No in-app purchases









