# Black Box vs App Lock & Block App

The clearest difference is in-app purchases: Black Box at none against App Lock & Block App's 3. Black Box also leads on update cadence (every 3 days vs every 10 days) and ratings volume (41 vs 2). App Lock & Block App's advantage is review sentiment (100% vs 67%) and rating (5.0 vs 4.7). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. App Lock & Block App sells 3 in-app purchases, starting at $0.99 per 7 days. Black Box asks for nothing beyond the download.

App Lock & Block App holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Black Box has 41 ratings behind it against 2, 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 100% of App Lock & Block App's.

Black Box ships an update every 3 days, App Lock & Block App every 10 days. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Black Box | App Lock & Block App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (41 ratings)](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/app-lock-and-block-app-lockkit/id6743208230/reviews)** |
| Number of ratings | **41** | 2 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 10 days |
| Monetization | **Free** | Freemium |
| Size | 68 MB | 20 MB |
| Requires iOS | **16.0** | 17.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [俊涛 刘](https://appshunter.io/developer/1702439770) | [4Digsoft](https://appshunter.io/developer/1799889257) |

## 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 & Block App

[App page](https://appshunter.io/ios/app/app-lock-and-block-app-lockkit/id6743208230)

This app helps you create a private, distraction-free environment by locking and blocking apps. It's useful for parents, students, or anyone wanting to manage screen time and protect sensitive information. Features include scheduled blocking, location-based restrictions, and screen time limits.

**Highlights:** One-tap app locking, Scheduled app blocking, Location-based blocking, PIN-protected settings, App install/delete restrictions, Screen time limits, Parental control features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lockkit Weekly Subscription | $0.99 | per 7 days |
| Lockkit Annual Subscription | $19.99 | per year |
| Lockkit Lifetime Premium | $29.99 | one-time |


## Frequently asked questions

### Is Black Box free?

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

### Is App Lock & Block App free?

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

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

App Lock & Block App is rated higher. Black Box averages 4.7 out of 5 from 41 ratings, while App Lock & Block App averages 5.0 from 2 ratings.

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

Neither Black Box nor App Lock & Block App shows ads.

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

Black Box ships an update every 3 days, and App Lock & Block App every 10 days. Most recently, Black Box was updated on October 24, 2026 and App Lock & Block App on October 26, 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.*