# Kidde vs WorkerKey

The clearest difference is update cadence: WorkerKey at every 4 days against Kidde's every 2 months. Kidde's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Kidde sells 2 in-app purchases, starting at $1.99 per month and WorkerKey sells 8 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

Kidde ships an update every 2 months, WorkerKey every 4 days. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Kidde | WorkerKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (6.7K ratings)](https://appshunter.io/ios/app/kidde/id942334464/reviews)** | — |
| Number of ratings | **6.7K** | — |
| Positive reviews | 44.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 88 MB | 57 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Walter Kidde Portable Equipment](https://appshunter.io/developer/942334463) | [KeyInventions LLC](https://appshunter.io/developer/6776918079) |

## 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


### WorkerKey

[App page](https://appshunter.io/ios/app/workerkey-hire-local-pros/id6777015992)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WorkerKey Pro | $14.99 | per month |
| Top Pro+ | $29.00 | per month |
| WorkerKey Pro Plus | $29.99 | per month |
| Pro Tools | $49.00 | per month |
| WorkerKey Pro Premium | $79.99 | per month |
| Featured Placement Basic | $99.00 | per month |
| Featured Placement Pro | $249.00 | per month |
| Featured Placement Prem. | $499.00 | per month |


## Frequently asked questions

### Is Kidde free?

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

### Is WorkerKey free?

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

### Do Kidde or WorkerKey have ads?

Neither Kidde nor WorkerKey shows ads.

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

Kidde ships an update every 2 months, and WorkerKey every 4 days. Most recently, Kidde was updated on October 17, 2026 and WorkerKey on October 6, 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.*