# Car Heating vs SmartKey

The clearest difference is update cadence: Car Heating at every 11 days against SmartKey's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Car Heating ships an update every 11 days, SmartKey every 5 months. The most recent releases landed on September 16, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Car Heating | SmartKey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 5 months |
| Size | 24 MB | 20 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Pavel Kudrna](https://appshunter.io/developer/1680584649) | [SmartKey s.r.o.](https://appshunter.io/developer/1515904395) |

## What reviewers say

### Car Heating

[App page](https://appshunter.io/ios/app/car-heating/id6447210399)

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

**In-app purchases:** none


### SmartKey

[App page](https://appshunter.io/ios/app/smartkey-manager/id6462880301)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Car Heating free?

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

### Is SmartKey free?

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

### Do Car Heating or SmartKey have ads?

Neither Car Heating nor SmartKey shows ads.

### Which is updated more often, Car Heating or SmartKey?

Car Heating ships an update every 11 days, and SmartKey every 5 months. Most recently, Car Heating was updated on September 16, 2026 and SmartKey on September 15, 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.*