# Kidde vs iQua

The clearest difference is in-app purchases: iQua at none against Kidde's 2. Kidde's advantage is review sentiment (45% vs 15%) and ratings volume (6.7K vs 957). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Kidde sells 2 in-app purchases, starting at $1.99 per month. iQua asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Kidde against 4.7 for iQua. That said, the two scores are not equally well evidenced: Kidde has 6.7K ratings behind it against 957, so its average is the more settled of the two. Written reviews are what separate them: 45% of Kidde's written reviews are positive against 15% of iQua's.

Kidde ships an update every 2 months, iQua every 6 weeks. The most recent releases landed on September 23, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Kidde | iQua |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.7K ratings)](https://appshunter.io/ios/app/kidde/id942334464/reviews) | [4.7 (957 ratings)](https://appshunter.io/ios/app/iqua/id1490327995/reviews) |
| Number of ratings | **6.7K** | 957 |
| Positive reviews | **45.0% of reviews** | 14.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Freemium | **Ad-supported** |
| Size | 88 MB | 47 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Walter Kidde Portable Equipment](https://appshunter.io/developer/942334463) | [EcoWater Systems LLC](https://appshunter.io/developer/1001681720) |

## What reviewers say

### Kidde

[App page](https://appshunter.io/ios/app/kidde/id942334464)

This app connects to smart home safety devices, providing real-time alerts for smoke, CO, air quality, and water leaks. It offers features like Smart Hush, remote notifications to loved ones, and advanced indoor air quality monitoring through a subscription service.

**Highlights:** Real-time alarm notifications, Smart Hush functionality, QR code setup for Wi-Fi connection, Device replacement notifications, Remote notifications to friends/family, Advanced Indoor Air Quality (IAQ) monitoring, Mold Risk Analysis

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Home Health - Monthly | $1.99 | per month |
| Advanced Home Health - Annual | $19.99 | per year |

**What reviewers like**

- 🚀 Easy setup
- 👍 Helpful app features
- 🔒 Provides peace of mind
- 💡 Useful air quality monitoring
- 👍 Good customer support

**What reviewers complain about**

- 🐛 Frequent false alarms
- 🐛 Connectivity issues
- 🐛 Buggy app and firmware
- 👎 Paywalled features
- 👎 Poor user experience

**Reported bugs**

- App unable to connect to devices
- Firmware updates failing
- Devices going offline randomly
- Notifications not working as expected
- Inconsistent device naming in app

**Requested features**

- Add HomeKit support
- Improve historical data tracking
- Provide more detailed temperature/air quality data
- Allow remote alarm silencing
- Enhance app stability and usability


### iQua

[App page](https://appshunter.io/ios/app/iqua/id1490327995)

Monitor and manage your Wi-Fi connected water treatment systems and water usage from your smartphone. Get detailed insights into your home's water consumption and receive alerts for potential issues.

**Highlights:** Monitor water usage (daily, weekly, monthly, yearly), View current water flow rate, Track salt levels, Control water system remotely, Receive custom alerts for flow, usage, and salt, Launch system regeneration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to set up and use
- 🚀 Useful smart features
- 💡 Helpful alerts and notifications
- 🔒 Secure remote access

**What reviewers complain about**

- 🐛 Buggy app with connectivity issues
- 📉 Limited data and history tracking
- 🤔 Confusing or missing features
- 🤯 Frustrating user experience

**Reported bugs**

- Unable to create account or log in
- Inconsistent water flow data
- Inability to control water shutoff valve
- App crashes or loses connection

**Requested features**

- Regeneration history and schedule
- Detailed water usage analytics
- Improved app stability and reliability
- Integration with smart home platforms


## Frequently asked questions

### Is Kidde free?

Kidde is free to download, with in-app purchases available.

### Is iQua free?

iQua is free to download, with no in-app purchases.

### Which has better reviews, Kidde or iQua?

Kidde and iQua are both rated 4.7 out of 5 on the App Store, from 6.7K and 957 ratings respectively.

### Do Kidde or iQua have ads?

Neither Kidde nor iQua shows ads.

### Which is updated more often, Kidde or iQua?

Kidde ships an update every 2 months, and iQua every 6 weeks. Most recently, Kidde was updated on September 23, 2026 and iQua on September 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*