Comparison

AppLock vs Black Box

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

Head to head
About

AppLock

Secure your phone by locking individual apps with a password or fingerprint. Protect sensitive data like photos, messages, and financial information from unauthorized access. Customize your lock screen with various background options.

Highlights
  • PIN code and pattern locks
  • Fingerprint unlock
  • Lock photos and images
  • Lock messages and contacts
  • Customizable lock screen backgrounds
  • Prevent unauthorized app access
Features
Read full description

AppLock uses two kinds of lock: model lock & fingerprint lock - This app can lock any app with a password or fingerprint, lock photos, lock images, lock messages... - AppLock can protect every application on your phone, especially social networks. - Prevent strangers from stealing your personal information such as photos, messages, and contacts. - Stop children from using their phones to access forbidden applications. - Avoid other people making transactions, transfer money to steal credit card transaction information App Lock supports two most common types of lock: PIN code and Pattern. Pincode is very beautiful and very easy to use. The pattern have high level of security You can unlock applications faster and more conveniently using fingerprints - You can alter your background for your lock screen with 3 options: + Use your device wallpaper. + Use basic colors, gradient colors, or custom colors at your disposal. + Use photos, and images from your collection.

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.

Screenshots

AppLock4 screens
Black Box4 screens

Verdict

The call

The clearest difference is rating: Black Box at 4.7 against AppLock's 3.8. Black Box also leads on ads (none vs shown) and monetization model (free vs ad-supported). AppLock's advantage is iOS requirement (14.0 vs 16.0). On price, review sentiment, ratings volume and update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Black Box holds the better App Store score, 4.7 against 3.8. Both are backed by a comparable volume of ratings — 35 and 41 respectively. Written reviews complicate that: 69% of AppLock'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.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
AppLock versus Black Box: the parameters behind the verdict, then further details
ParameterAppLockBlack Box
PriceFreeFree
Rating3.8 (35 ratings)4.7 (41 ratings) — better
Positive reviews69.2% of reviews — better66.7% of reviews
Number of ratings3541 — better
Update frequencyEvery 3 daysEvery 3 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size33 MB68 MB
Age rating17+4+
DeveloperSon Ngo Dinh俊涛 刘

Customer experience

AppLock

All ratings17 ratings
Positive70.6%
Neutral0.0%
Negative29.4%
Written reviews13 reviews
Positive69.2%
Neutral7.7%
Negative23.1%

Black Box

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

In-app purchases

None

AppLock

No in-app purchases

None

Black Box

No in-app purchases

Questions

Is AppLock free?
AppLock 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, AppLock or Black Box?
Black Box is rated higher. AppLock averages 3.8 out of 5 from 35 ratings, while Black Box averages 4.7 from 41 ratings.
Do AppLock or Black Box have ads?
AppLock shows ads; Black Box does not.
Which is updated more often, AppLock or Black Box?
AppLock ships an update every 3 days, and Black Box every 3 days. Most recently, AppLock was updated on October 21, 2026 and Black Box on October 24, 2026.

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