Black Box vs inLock
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.
inLock
This app helps you manage your device usage by locking or blocking specific applications. Set custom rules based on time or location, and secure access with passwords, fingerprint, or facial recognition. It also offers features to prevent app installations and in-app purchases.
- Application grouping and management
- Time and location-based rules
- Password, fingerprint, and facial recognition
- Prevent app installation/removal
- Block in-app purchases
- Secure payment passwords
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Lock and block applications to protect privacy. Faced with the temptation of various applications, the goal of reducing usage can be achieved by locking or blocking the applications. function -Application management grouping: Customize group names and select to limit a batch of applications. -Custom rule: Block or lock applications based on time or location. -Safe and reliable: The application requires a digital password to log in, and provides fingerprint recognition and facial recognition. -More restrictions: Prohibit installation/removal of applications, prohibit in app purchases, payment must use passwords, etc. -Privacy Policy: https://docs.qq.com/doc/DZHhpbWlYWVFOQ2x5 -Premium Membership Terms: https://docs.qq.com/doc/DZFhGUUVqZ0hBem1q -Refund: The current subscription fee cannot be refunded. Please ensure that the functional services meet your needs. -Unsubscribe: If you want to cancel the renewal, please cancel at least 24 hours in advance. You can unsubscribe by opening System Settings, clicking on Apple ID, clicking on Subscription, selecting InLock Subscription, and then unsubscribing. Problem feedback email: 396912223@qq.com
Screenshots
Verdict
The clearest difference is rating: Black Box at 4.7 against inLock's 1.0. Black Box also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs fortnightly). inLock's advantage is device support (3 vs 1). On price, ads and iOS requirement 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. inLock sells 3 in-app purchases, starting at $1.99 per month. Black Box asks for nothing beyond the download.
Black Box holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: Black Box has 41 ratings behind it against 1, so its average is the more settled of the two.
Black Box ships an update every 3 days, inLock fortnightly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Black Box | inLock |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (41 ratings) — better | 1.0 (1 ratings) |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 41 — better | 1 |
| Update frequency | Every 3 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 16 |
| Further details — not scored | ||
| Size | 68 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | 俊涛 刘 | 彩容 陈 |
Customer experience
Black Box
inLock
In-app purchases
Black Box
No in-app purchases
inLock
- Monthly$1.991 Month
- Annual3 Days trial$8.991 Year
- Lifetime$14.99









