# Screen Mirroring vs Lock Checker

The clearest difference is review sentiment: Lock Checker at 100% against Screen Mirroring's 24%. Lock Checker also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 3). Screen Mirroring's advantage is price (Free vs $0.99) and ratings volume (270 vs 2). On ads and device support there is nothing between them.

Screen Mirroring is free to download; Lock Checker costs $0.99 up front. Screen Mirroring sells 3 in-app purchases, starting at $4.99 per 7 days. Lock Checker asks for nothing beyond the download.

Lock Checker holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Screen Mirroring has 270 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 24% of Screen Mirroring's written reviews are positive against 100% of Lock Checker's.

Screen Mirroring ships an update every 2 months, Lock Checker every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Screen Mirroring | Lock Checker |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.4 (270 ratings)](https://appshunter.io/ios/app/screen-mirroring-chromecast/id1586029145/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lock-checker/id6757445763/reviews)** |
| Number of ratings | **270** | 2 |
| Positive reviews | 23.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 51 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andre Marinho](https://appshunter.io/developer/1486909114) | [Hrachya Harutyunyan](https://appshunter.io/developer/1866999437) |

## What reviewers say

### Screen Mirroring

[App page](https://appshunter.io/ios/app/screen-mirroring-chromecast/id1586029145)

Mirror your iPhone or iPad screen to your TV in real-time. Stream photos, videos, and browse the web on a larger display with adjustable quality settings. Enjoy a free version without ads or time limits.

**Highlights:** Real-time screen mirroring, HD quality photo and video casting, Browse web on TV, Cast web videos and movies, Zero delay streaming, 1080p streaming with adjustable quality, Adjustable frame rate and sound quality

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week Premium | $4.99 | per 7 days |
| 1 Year Premium | $9.99 | per year |
| Lifetime Premium | $17.99 | one-time |

**What reviewers like**

- 🚀 Fast mirroring
- 👍 Easy to use
- 👍 Works great
- 👍 Excellent streaming experience
- 👍 Zero delay for gaming

**What reviewers complain about**

- 🐛 Crashing frequently
- 🐛 Not working with Roku TV
- 🐛 Does not size up to fit screen
- 🐛 Lifetime subscription issues
- 🐛 App crashes on startup

**Reported bugs**

- App crashing all the time
- App crashes on startup
- Lifetime subscription revoked/not recognized
- Restore purchase not working
- Subscription forms and notifications continue to appear despite lifetime subscription

**Requested features**

- Add Roku/TCL TV support on iPhone
- Indicate premium status more clearly
- Make 'Restore Purchase' more accessible
- Translate app menu to French


### Lock Checker

[App page](https://appshunter.io/ios/app/lock-checker/id6757445763)

This utility app helps alleviate the anxiety of forgetting if you locked your car. It uses a deliberate confirmation process and allows you to save parking details and track your vehicle's lock status.

**Highlights:** Hold-to-confirm lock status, Save GPS parking location, Add parking spot photos, Multi-vehicle support, History log of lock events, Offline functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Screen Mirroring free?

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

### Is Lock Checker free?

Lock Checker costs $0.99, with no in-app purchases.

### Which has better reviews, Screen Mirroring or Lock Checker?

Lock Checker is rated higher. Screen Mirroring averages 4.4 out of 5 from 270 ratings, while Lock Checker averages 5.0 from 2 ratings.

### Do Screen Mirroring or Lock Checker have ads?

Neither Screen Mirroring nor Lock Checker shows ads.

### Which is updated more often, Screen Mirroring or Lock Checker?

Screen Mirroring ships an update every 2 months, and Lock Checker every 2 days. Most recently, Screen Mirroring was updated on October 25, 2026 and Lock Checker on October 24, 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.*