# Kidde vs Flame Detector

The clearest difference is review sentiment: Flame Detector at 100% against Kidde's 45%. Flame Detector also leads on in-app purchases (none vs 2) and rating (5.0 vs 4.7). Kidde's advantage is ratings volume (6.7K vs 4). On price, update cadence, ads and device support there is nothing between them.

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

Flame Detector holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Kidde has 6.7K ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 45% of Kidde's written reviews are positive against 100% of Flame Detector's.

Kidde ships an update every 2 months, Flame Detector every 3 months. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Kidde | Flame Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (6.7K ratings)](https://appshunter.io/ios/app/kidde/id942334464/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/flame-detector/id1659376880/reviews)** |
| Number of ratings | **6.7K** | 4 |
| Positive reviews | 45.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Freemium | **Free** |
| Size | 88 MB | 20 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Walter Kidde Portable Equipment](https://appshunter.io/developer/942334463) | [Forge Technologies, Inc (NC)](https://appshunter.io/developer/1467618783) |

## 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


### Flame Detector

[App page](https://appshunter.io/ios/app/flame-detector/id1659376880)

This app offers advanced flame detection for your home, alerting you to fires hundreds of times faster than traditional smoke alarms. It's designed for spaces where flames should never be, providing instant notifications to your smart device.

**Highlights:** Detects flame hundreds of times faster than smoke alarms, Instant alerts to smart devices, Monitors spaces where flames should not exist, Designed for bedrooms, playrooms, and garages, Provides real-time fire notifications

**In-app purchases:** none


## Frequently asked questions

### Is Kidde free?

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

### Is Flame Detector free?

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

### Which has better reviews, Kidde or Flame Detector?

Flame Detector is rated higher. Kidde averages 4.7 out of 5 from 6.7K ratings, while Flame Detector averages 5.0 from 4 ratings.

### Do Kidde or Flame Detector have ads?

Neither Kidde nor Flame Detector shows ads.

### Which is updated more often, Kidde or Flame Detector?

Kidde ships an update every 2 months, and Flame Detector every 3 months. Most recently, Kidde was updated on September 23, 2026 and Flame Detector on September 10, 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.*