# Google Smart Lock vs MRCOOL Comfort

The clearest difference is review sentiment: MRCOOL Comfort at 100% against Google Smart Lock's 10%. MRCOOL Comfort also leads on rating (4.9 vs 2.5) and monetization model (free vs free with in-app purchases). Google Smart Lock's advantage is update cadence (every 2 months vs every 9 months) and ratings volume (635 vs 54). 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.

MRCOOL Comfort holds the better App Store score, 4.9 against 2.5. That said, the two scores are not equally well evidenced: Google Smart Lock has 635 ratings behind it against 54, so its average is the more settled of the two. Written reviews point the same way: 10% of Google Smart Lock's written reviews are positive against 100% of MRCOOL Comfort's.

Google Smart Lock ships an update every 2 months, MRCOOL Comfort every 9 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Google Smart Lock | MRCOOL Comfort |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (635 ratings)](https://appshunter.io/ios/app/google-smart-lock/id1152066360/reviews) | **[4.9 (54 ratings)](https://appshunter.io/ios/app/mrcool-comfort/id6752381791/reviews)** |
| Number of ratings | **635** | 54 |
| Positive reviews | 10.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#171** | — |
| Size | 56 MB | 77 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Google](https://appshunter.io/developer/281956209) | [Guangdong Meizhi Compressor Co., Ltd.](https://appshunter.io/developer/1441287281) |

## What reviewers say

### Google Smart Lock

[App page](https://appshunter.io/ios/app/google-smart-lock/id1152066360)

**Currently charting:** #171 Top Free · Utilities (US App Store)

Securely log in to websites and apps using your phone's built-in security key or a physical Bluetooth key. It simplifies access by remembering your passwords and offering a more convenient sign-in experience.

**Highlights:** Use phone as security key, Use Bluetooth security key, Password saving, Simplified sign-in, Secure access

**In-app purchases:** none

**What reviewers like**

- 🚀 Works fine
- 🔒 Adds extra security layer
- 👍 Useful app

**What reviewers complain about**

- 🐛 Crashes on iOS 18 update
- 🐛 Doesn't work with Yubikey
- 🐛 Doesn't work with child accounts
- 🐛 Unreliable, constant issues
- 🐛 Locked out of accounts

**Reported bugs**

- Crashes on launch
- Doesn't detect nearby devices
- Endless login loop
- Incompatible with latest iOS

**Requested features**

- Support for NFC security keys
- Easier setup and usage
- Better compatibility with other devices


### MRCOOL Comfort

[App page](https://appshunter.io/ios/app/mrcool-comfort/id6752381791)

Control your smart air conditioner remotely for comfort, efficiency, and safety. Customize settings like sleep curves and enjoy a new user experience with an interactive design. Monitor and modify your home air quality from anywhere.

**Highlights:** Remote AC control, Customizable sleep curves, Home air quality monitoring, Interactive UI design, Comfort, efficiency, safety control

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

**In-app purchases:** none


## Frequently asked questions

### Is Google Smart Lock free?

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

### Is MRCOOL Comfort free?

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

### Which has better reviews, Google Smart Lock or MRCOOL Comfort?

MRCOOL Comfort is rated higher. Google Smart Lock averages 2.5 out of 5 from 635 ratings, while MRCOOL Comfort averages 4.9 from 54 ratings.

### Do Google Smart Lock or MRCOOL Comfort have ads?

Neither Google Smart Lock nor MRCOOL Comfort shows ads.

### Which is updated more often, Google Smart Lock or MRCOOL Comfort?

Google Smart Lock ships an update every 2 months, and MRCOOL Comfort every 9 months. Most recently, Google Smart Lock was updated on October 25, 2026 and MRCOOL Comfort on October 25, 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.*