# App Lock vs Black Box

The clearest difference is rating: Black Box at 4.7 against App Lock's 3.5. Black Box also leads on ads (none vs shown) and update cadence (every 3 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Black Box holds the better App Store score, 4.7 against 3.5. Both are backed by a comparable volume of ratings — 12 and 41 respectively.

App Lock ships an update monthly, Black Box every 3 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | App Lock | Black Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (12 ratings)](https://appshunter.io/ios/app/app-lock-unlock-privacy-apps/id6502747859/reviews) | **[4.7 (41 ratings)](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962/reviews)** |
| Number of ratings | 12 | **41** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 21 MB | 68 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [小锋 张](https://appshunter.io/developer/1686869747) | [俊涛 刘](https://appshunter.io/developer/1702439770) |

## What reviewers say

### App Lock

[App page](https://appshunter.io/ios/app/app-lock-unlock-privacy-apps/id6502747859)

Secure your sensitive data and apps with a smart password lock. Protect your privacy by selecting which applications require a password for access. Features timed and location-based locking for enhanced security.

**Highlights:** Password lock for app access, Select specific apps to lock, One-click locking of selected apps, Timed and location-based locking, Simple and intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is App Lock free?

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

### Is Black Box free?

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

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

Black Box is rated higher. App Lock averages 3.5 out of 5 from 12 ratings, while Black Box averages 4.7 from 41 ratings.

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

App Lock shows ads; Black Box does not.

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

App Lock ships an update monthly, and Black Box every 3 days. Most recently, App Lock was updated on October 30, 2026 and Black Box 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.*