Black Box vs AppLock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
AppLock
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AppLock keeps your apps private and your screen time in check — with a single tap. Whether you're a parent managing your child's device, or someone who wants to stay focused and protect personal apps, AppLock gives you full control with zero complexity. ◆ LOCK ANY APP Choose which apps to lock with Screen Time integration. Locked apps display a custom shield — no one gets in without your passcode or Face ID. ◆ SCENE MODES Create custom profiles like "Work", "Study", or "Kids" — each with its own set of locked apps. Switch modes instantly from the dashboard or Widget. ◆ QUICK UNLOCK VIA NOTIFICATION Unlock apps directly from the notification banner. No need to leave the locked app — just pull down, enter your passcode, and you're in. ◆ UNLOCK INSIGHTS Track your daily and weekly unlock patterns. See which apps you open most, compare trends over time, and understand your screen habits — all in a clean, visual dashboard. ◆ SECURITY CENTER View your protection status at a glance. Prevent locked apps from being deleted or new apps from being installed — ideal for parental control. ◆ FACE ID & TOUCH ID Unlock with biometrics for a seamless experience. Supports both Face ID and Touch ID. ◆ SCHEDULED LOCK PLANS Set time-based schedules to automatically lock and unlock app groups. Perfect for study hours, bedtime, or work focus. ◆ INTRUSION DETECTION Automatically captures a photo when someone enters the wrong passcode. Review intrusion logs with timestamps and app details. ● 100% Offline — All data stays on your device ● No account required — Works out of the box ● Minimal & clean design — Built with care AppLock is completely free with all features unlocked. No ads, no hidden paywalls.
Screenshots
Verdict
The clearest difference is update cadence: Black Box at every 3 days against AppLock's every 5 weeks. On price, ads, in-app purchases and device support 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 ships an update every 3 days, AppLock every 5 weeks. Both last shipped on November 4, 2026.
| Parameter | Black Box | AppLock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (44 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 44 — better | — |
| Update frequency | Every 3 days — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 68 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊涛 刘 | 伟 张 |
In-app purchases
Black Box
No in-app purchases
AppLock
No in-app purchases









