# Lock Apps vs Black Box

The clearest difference is ads: Black Box at none against Lock Apps's shown. Black Box also leads on update cadence (every 3 days vs every 3 months) and rating (4.8 vs 4.6). Lock Apps's advantage is review sentiment (100% vs 67%). On price, ratings volume, 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.

Black Box holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 14 and 37 respectively. Written reviews complicate that: 100% of Lock Apps's written reviews are positive against 67% of Black Box's, so the app with the better star average is not the one people write more warmly about.

Lock Apps ships an update every 3 months, Black Box every 3 days. The most recent releases landed on September 17, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | Lock Apps | Black Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (14 ratings)](https://appshunter.io/ios/app/lock-apps-block-app/id6466579327/reviews) | **[4.8 (37 ratings)](https://appshunter.io/ios/app/black-box-lock-restrict-apps/id6547836962/reviews)** |
| Number of ratings | 14 | **37** |
| Positive reviews | **100.0% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Ad-supported | **Free** |
| Size | 18 MB | 68 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [嘉纯 赖](https://appshunter.io/developer/1646033246) | [俊涛 刘](https://appshunter.io/developer/1702439770) |

## What reviewers say

### Lock Apps

[App page](https://appshunter.io/ios/app/lock-apps-block-app/id6466579327)

This app helps you control and restrict the usage of other applications on your device. It offers privacy protection, time limits, and password security to prevent unauthorized access or changes.

**Highlights:** Privacy protection for sensitive content, Customized app usage restrictions, Limit app usage time, Prevent accidental deletion or downloads, Double password protection

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

**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 Lock Apps free?

Lock Apps 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, Lock Apps or Black Box?

Black Box is rated higher. Lock Apps averages 4.6 out of 5 from 14 ratings, while Black Box averages 4.8 from 37 ratings.

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

Lock Apps shows ads; Black Box does not.

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

Lock Apps ships an update every 3 months, and Black Box every 3 days. Most recently, Lock Apps was updated on September 17, 2026 and Black Box on August 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*