DIAMOND vs iQua2
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DIAMOND
This app allows users to easily set up and monitor their water treatment equipment. Users can control valve settings, view water usage, and initiate system cycles directly from their Bluetooth-enabled device.
- Control and monitor valve settings
- View water usage information
- Start regeneration/backwash cycles
- Set dealer information
- Basic troubleshooting
- Connect to multiple valves
- Update firmware
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DIAMOND-LINQ makes setting up and monitoring your DIAMOND H2O water treatment equipment easier than ever before! When paired with a DIAMOND H2O valve, the user, through the app, can perform the following functions: • Control & monitor valve settings & status (i.e. set the time) • View & understand water usage information • Start regeneration or backwash cycle from your Bluetooth enabled device • Set / view the servicing water treatment dealer information • Comprehend & utilize basic trouble shooting techniques due to more customer friendly interface • Connect to all of your valves* in your system (DIAMOND H2O valve dependent*) • Update firmware
iQua2
Monitor and manage your Wi-Fi connected water treatment systems and water usage remotely. Get system insights like daily usage, flow rate, and salt levels. Receive alerts for unusual water flow or usage.
- Monitor water usage (daily, weekly, monthly, yearly)
- Track current water flow rate
- View salt levels and days remaining
- Remotely control water system (on/off)
- Schedule system regenerations
- Receive custom water usage alerts
- Receive low salt alerts
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The iQua2 water management tool makes it possible to monitor and manage your Wi-Fi connected water treatment systems and water usage via smartphone or tablet. A simple and secure online dashboard provides system information at a glance, such as: - Average daily, weekly, monthly, and yearly home water usage - Home water used today - Current home water flow rate - Number of days until the salt is empty - Home water turned on or off You can launch a regeneration and adjust your settings from anywhere! The iQua2 water management tool can be programmed to send alerts via text or email - Continual water flow in your home alert - Excessive water usage alert - Low salt alert - And more!
Screenshots
Verdict
DIAMOND and iQua2 both sit at 4.7 stars, but that hides the real split: 100% of DIAMOND's written reviews are positive against 38% of iQua2's. DIAMOND also leads on monetization model (free vs ad-supported) and device support (3 vs 1). iQua2's advantage is update cadence (fortnightly vs every 3 months) and ratings volume (763 vs 94). On price, rating, 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.
On the App Store both sit at effectively the same score — 4.7 for DIAMOND against 4.8 for iQua2. That said, the two scores are not equally well evidenced: iQua2 has 763 ratings behind it against 94, so its average is the more settled of the two. Written reviews are what separate them: 100% of DIAMOND's written reviews are positive against 38% of iQua2's.
DIAMOND ships an update every 3 months, iQua2 fortnightly. Both last shipped on October 24, 2026.
| Parameter | DIAMOND | iQua2 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (94 ratings) | 4.8 (763 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 37.5% of reviews |
| Number of ratings | 94 | 763 — better |
| Update frequency | Every 3 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 23 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Diamond H2O | EcoWater Systems LLC |
Customer experience
DIAMOND
iQua2
In-app purchases
DIAMOND
No in-app purchases
iQua2
No in-app purchases
