# FireShield vs Smart CarKey

The clearest difference is iOS requirement: Smart CarKey at 12.0 against FireShield's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | FireShield | Smart CarKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fireshield-wildfire-defense/id6745798554/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 75 MB | 29 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Matt Hosseini](https://appshunter.io/developer/1813927357) | [Shanghai WanWay Digital Technology Co.,Ltd](https://appshunter.io/developer/1275343765) |

## What reviewers say

### FireShield

[App page](https://appshunter.io/ios/app/fireshield-wildfire-defense/id6745798554)

This app provides real-time wildfire monitoring and automatic activation of rooftop water and foam spray systems. It offers remote control over your defense system, ensuring protection even during power outages.

**Highlights:** Real-time wildfire monitoring, Automatic spray system activation, Manual spray system activation, Off-grid power backup, Multiple network connections, Cloud-controlled hardware management

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

**In-app purchases:** none


### Smart CarKey

[App page](https://appshunter.io/ios/app/smart-carkey/id6748637133)

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

**In-app purchases:** none


## Frequently asked questions

### Is FireShield free?

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

### Is Smart CarKey free?

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

### Do FireShield or Smart CarKey have ads?

Neither FireShield nor Smart CarKey shows ads.

### Which is updated more often, FireShield or Smart CarKey?

FireShield ships an update every 2 months, and Smart CarKey every 2 months. Most recently, FireShield was updated on October 24, 2026 and Smart CarKey on October 11, 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.*