Comparison

Black Box vs Spy Tower

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

Spy Tower

Features
Read full description

Spy Tower puts your professionally installed security cameras in your pocket. LIVE VIEW • Watch any of your cameras live, with fast peer-to-peer streaming • Pinch to zoom up to 8×, pan around the frame • Take snapshots and record clips straight to your Photos library PLAYBACK • Scrub a full day of recordings on a zoomable timeline • Motion events badged by type - person, vehicle, animal, motion • Jump straight to an event from the clip list, or search by date and time • Playback speeds up to 4×, HD/SD quality switch • Save any moment to your Photos library with one tap BUILT FOR SIMPLICITY • Sign in once - Spy Tower keeps you signed in securely • Only the cameras you're authorised to see, nothing to configure • Calendar day picker for quick access to any recorded day Spy Tower is a companion app for camera systems supplied and managed by Revo Tech. An account provisioned by Revo Tech or your installer is required.

Screenshots

Black Box4 screens
Spy Tower3 screens

Verdict

The call

The clearest difference is update cadence: Black Box at every 3 days against Spy Tower's every 4 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Black Box ships an update every 3 days, Spy Tower every 4 weeks. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Black Box versus Spy Tower: the parameters behind the verdict, then further details
ParameterBlack BoxSpy Tower
PriceFreeFree
Rating4.7 (41 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings41 — better—
Update frequencyEvery 3 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size68 MB49 MB
Age rating4+4+
Developer俊涛 刘Revo Tech

In-app purchases

None

Black Box

No in-app purchases

None

Spy Tower

No in-app purchases

Questions

Is Black Box free?
Black Box is free to download, with no in-app purchases.
Is Spy Tower free?
Spy Tower is free to download, with no in-app purchases.
Do Black Box or Spy Tower have ads?
Neither Black Box nor Spy Tower shows ads.
Which is updated more often, Black Box or Spy Tower?
Black Box ships an update every 3 days, and Spy Tower every 4 weeks. Most recently, Black Box was updated on October 24, 2026 and Spy Tower on October 24, 2026.

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