# Black Box vs App Lock

The clearest difference is review sentiment: Black Box at 67% against App Lock's 0%. Black Box also leads on rating (4.7 vs 2.5) and in-app purchases (none vs 2). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. App Lock sells 2 in-app purchases, starting at $3.99 per 7 days. Black Box asks for nothing beyond the download.

Black Box holds the better App Store score, 4.7 against 2.5. That said, the two scores are not equally well evidenced: Black Box has 41 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 67% of Black Box's written reviews are positive against 0% of App Lock's.

Black Box ships an update every 3 days, App Lock every 2 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Black Box | App Lock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (41 ratings)](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962/reviews)** | [2.5 (4 ratings)](https://appshunter.io/ios/app/app-lock-hide-app-and-lock-app/id6670211196/reviews) |
| Number of ratings | **41** | 4 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 days | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 68 MB | 67 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [俊涛 刘](https://appshunter.io/developer/1702439770) | [Pinal Goti](https://appshunter.io/developer/1746507294) |

## What reviewers say

### Black Box

[App page](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962)

Secure your phone by locking and restricting access to sensitive applications. Protect your private data with advanced password protection and prevent unauthorized app usage or in-app purchases. Enjoy comprehensive digital privacy with an easy-to-use interface.

**Highlights:** App locking with password protection, App disappearance for hidden access, App usage restrictions, Secure privacy with advanced passwords, Payment locking for in-app purchases, Intuitive interface

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

**In-app purchases:** none


### App Lock

[App page](https://appshunter.io/ios/app/app-lock-hide-app-and-lock-app/id6670211196)

Secure your private apps with a customizable PIN password. Protect messaging, social media, and photo galleries from unwanted access. Personalize your lock screen with various themes for enhanced privacy and peace of mind.

**Highlights:** Customizable PIN password for app security, Lock messaging, social media, and photo apps, Variety of lock screen themes, Protection from unwanted viewers, Guidance on setting app locks, Secure password protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Lock Hide App One Week | $3.99 | per 7 days |
| App Lock Hide App One Year | $19.99 | per year |


## Frequently asked questions

### Is Black Box free?

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

### Is App Lock free?

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

### Which has better reviews, Black Box or App Lock?

Black Box is rated higher. Black Box averages 4.7 out of 5 from 41 ratings, while App Lock averages 2.5 from 4 ratings.

### Do Black Box or App Lock have ads?

App Lock shows ads; Black Box does not.

### Which is updated more often, Black Box or App Lock?

Black Box ships an update every 3 days, and App Lock every 2 days. Most recently, Black Box was updated on October 24, 2026 and App Lock 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.*