Comparison

Black Box vs inLock

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

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
Read full description

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.

About

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.

Highlights
  • 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
Read full description

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

Black Box4 screens
inLock4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Black Box ships an update every 3 days, inLock fortnightly. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
Black Box versus inLock: the parameters behind the verdict, then further details
ParameterBlack BoxinLock
PriceFreeFree
Rating4.7 (41 ratings) — better1.0 (1 ratings)
Positive reviews66.7% of reviews—
Number of ratings41 — better1
Update frequencyEvery 3 days — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.016
Further details — not scored
Size68 MB8 MB
Age rating4+4+
Developer俊涛 刘彩容 陈

Customer experience

Black Box

All ratings37 ratings
Positive91.9%
Neutral5.4%
Negative2.7%
Written reviews9 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

inLock

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Black Box

No in-app purchases

3 purchases

inLock

Subscriptions2
  • Monthly$1.991 Month
  • Annual3 Days trial$8.991 Year
One-time1
  • Lifetime$14.99

Questions

Is Black Box free?
Black Box is free to download, with no in-app purchases.
Is inLock free?
inLock is free to download, with in-app purchases available.
Which has better reviews, Black Box or inLock?
Black Box is rated higher. Black Box averages 4.7 out of 5 from 41 ratings, while inLock averages 1.0 from 1 ratings.
Do Black Box or inLock have ads?
Neither Black Box nor inLock shows ads.
Which is updated more often, Black Box or inLock?
Black Box ships an update every 3 days, and inLock fortnightly. Most recently, Black Box was updated on October 24, 2026 and inLock on October 19, 2026.

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