App Lock vs Black Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
App Lock
Manage your phone usage and protect your privacy with this app. It offers robust parental controls, allows you to lock specific applications, and helps you set time limits to combat phone addiction. Secure your data and control your digital well-being.
- Lock specific apps
- Parental control features
- Prevent app deletion
- Secure unlock methods (Face ID, fingerprint, password)
- Automatic app relocking
- Customizable app modes
- Set app usage time limits
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App Lock is your top choice for parental control, screen time management, and privacy protection! It helps you achieve the goal of "Get Rid Of Phone Addiction", allowing you to better manage your phone usage. Key Features: - Lock Apps: Choose any app you want to lock. Automatically lock specific apps based on your schedule. - Parental Control: By prohibiting the installation of new apps and limiting in-app purchases, it assists you in better controlling your child's phone activities. - Prevent App Deletion: Prohibit the deletion of apps to protect important app data. - Secure Lock: Support Face ID unlock, fingerprint unlock, and password unlock. Multiple encryption methods enhance privacy and security. - Auto Lock: After unlocking an app, it auto restores the locking functionality, saving you time and effort. - Multiple Modes: Easily switch between built-in app modes (Reading, Focus, Work, Privacy) to meet various scenario needs. - App Restrictions: Set specific time limits for app usage, helping you get rid of phone addiction and achieve better time management. If you have any questions or suggestions while using the app, feel free to provide feedback within the app.
Black Box
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.
- 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
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Black Box: Easily lock and restrict apps, protect your private data with one click. Secure your phone with a password. 100% safe and private! Don't want others to see your privacy? Use our lock and restrict features to keep your apps and data hidden from others. Try this most secure app lock and give your phone 100% privacy protection. 【Key Features】 App Locking: Set password protection for sensitive apps like social media, photo galleries, etc., protecting your privacy anytime, anywhere. App Disappearance: No one but you can find your apps unless you actively reveal them. App Restrictions: Limit app installation, deletion, in-app purchases, control app visibility everywhere, and lock app usage. Secure Privacy: The app lock features advanced security passwords, helping you lock apps and prevent others from casually viewing in-app data. Payment Locking: Lock App Store in-app purchases to avoid accidental payments or prevent your children from buying games. 【Why Choose Black Box?】 100% Safe and Reliable: Uses advanced encryption technology Easy to Use: Intuitive interface design, effortless to get started Comprehensive Protection: Guards your privacy from apps to files Continuous Updates: We constantly improve features to provide you with the best experience Download Black Box now and enjoy true digital privacy! Your encouragement drives our progress! Stay tuned for more powerful features coming soon. If you encounter any issues or have suggestions while using the app, please feel free to provide feedback within the app. blackbox@whohub.cn Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://blackbox.whohub.cn/policy/privacy Use the most reliable app lock to protect your privacy, easily safeguard your digital privacy. Use the app lock to lock apps or protect apps from being discovered, ensuring your security.
Screenshots
Verdict
The clearest difference is ads: Black Box at none against App Lock's shown. Black Box also leads on monetization model (free vs ad-supported). App Lock's advantage is review sentiment (86% vs 67%) and ratings volume (120 vs 37). On price, rating, update cadence and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 — 120 and 37 respectively. Written reviews complicate that: 86% of App Lock'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.
App Lock ships an update every 5 days, Black Box every 3 days. The most recent releases landed on September 23, 2026 and August 28, 2026 respectively.
| Parameter | App Lock | Black Box |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (120 ratings) | 4.8 (37 ratings) — better |
| Positive reviews | 85.6% of reviews — better | 66.7% of reviews |
| Number of ratings | 120 — better | 37 |
| Update frequency | Every 5 days | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 7 MB | 68 MB |
| Age rating | 4+ | 4+ |
| Developer | 秀珍 黄 | 俊涛 刘 |
Customer experience
App Lock
Black Box
In-app purchases
App Lock
No in-app purchases
Black Box
No in-app purchases
