Comparison

应用锁 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

应用锁

Secure your apps, games, photos, videos, and contacts with PIN protection. Disguise app icons as calculators or other common utilities. Unlock advanced features through a subscription.

Highlights
  • Encrypt apps, games, photos, and videos
  • Hide contacts
  • Change app icons
  • PIN code protection
  • Advanced features available
Features
Read full description

1.加密应用、游戏、照片、视频、通讯录! 2.应用程序图标更改为计算器或其他图标! 3.PIN码保护! 4.更多高级功能 会员订阅: 注意:如果您不订阅或成为永久会员,将无法使用任何功能。 提供年度会员供。 订阅会自动续订,除非在当前期间结束前至少24小时关闭自动续订;帐户将在当前期间结束前24小时内收取续订费用,并确定续订费用 订阅可以由用户管理,并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私条款:https://xn5obfu58p.feishu.cn/docx/GCEfdFRL4oKi3RxjYZWcZeBBnue 使用条款:https://xn5obfu58p.feishu.cn/docx/PhZXdTSj7ocrx1xkTghcXtzSn0d 联系我们:zhengyongxi1005@sina.com

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

应用锁4 screens
Black Box4 screens

Verdict

The call

The clearest difference is in-app purchases: Black Box at none against 应用锁's 3. Black Box also leads on review sentiment (67% vs 33%) and update cadence (every 3 days vs every 2 weeks). 应用锁's advantage is iOS requirement (11.0 vs 16.0). On price, rating, ratings volume and ads 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. 应用锁 sells 3 in-app purchases, starting at $0.99 per month. Black Box asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for 应用锁 against 4.5 for Black Box. Both are backed by a comparable volume of ratings — 88 and 44 respectively. Written reviews are what separate them: 33% of 应用锁's written reviews are positive against 67% of Black Box's.

UpkeepUpdate frequency

应用锁 ships an update every 2 weeks, Black Box every 3 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
应用锁 versus Black Box: the parameters behind the verdict, then further details
Parameter应用锁Black Box
PriceFreeFree
Rating4.4 (88 ratings)4.5 (44 ratings) — better
Positive reviews33.3% of reviews66.7% of reviews — better
Number of ratings88 — better44
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscriptionFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS11.0 — better16.0
Further details — not scored
Size10 MB68 MB
Age rating4+4+
Developer祥波 郑俊涛 刘

Customer experience

应用锁

All ratings83 ratings
Positive86.7%
Neutral2.4%
Negative10.8%
Written reviews3 reviews
Positive33.3%
Neutral0.0%
Negative66.7%

Black Box

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

In-app purchases

3 purchases

应用锁

Subscriptions2
  • 按月订阅$0.991 Month
  • 按年订阅$1.991 Year
One-time1
  • 永久会员$7.99
None

Black Box

No in-app purchases

Questions

Is 应用锁 free?
应用锁 is free to download, with in-app purchases available.
Is Black Box free?
Black Box is free to download, with no in-app purchases.
Which has better reviews, 应用锁 or Black Box?
Black Box is rated higher. 应用锁 averages 4.4 out of 5 from 88 ratings, while Black Box averages 4.5 from 44 ratings.
Do 应用锁 or Black Box have ads?
Neither 应用锁 nor Black Box shows ads.
Which is updated more often, 应用锁 or Black Box?
应用锁 ships an update every 2 weeks, and Black Box every 3 days. Most recently, 应用锁 was updated on November 3, 2026 and Black Box on November 4, 2026.

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