AppLock - Lock PIN Fingerprint is a security utility for Android that secures apps and media with biometric or PIN authentication.
Product velocity
Dormant
Daily rank 🇺🇸
—
Tools
Sentiment
4.5
612 reviews
Nemesis
AppLock - photo lock
The App DNA
What makes this app unique?
It removes the friction of unauthorized physical access to sensitive apps, serving users who require immediate, lightweight privacy controls.
For Mobile users seeking to secure private data and manage screen time through granular app-level controls.
What does it look like?
Key features
Secures individual apps using PIN, pattern, or fingerprint authentication.
Encrypts and hides photos, videos, and documents within a private gallery.
Captures alerts when unauthorized users attempt to access locked content.
How much does it cost?
Freemium model utilizing ad-supported free access with IAP gates for advanced security and customization features.
Velocity
Dormant developmentperformanceUX improvementsShow more...
Development has ceased, with no new feature builds or updates released in the last 387 days. The app remains in a state of total inactivity, as the single version provided in the history contains only minor performance and stability adjustments. There is no evidence of ongoing maintenance or operational support.
Who built it?
Quiet
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QR ScanUser Sentiment
What do users think recently?
Fresh user feedback skews excited. Users appreciate the core application functionality provides a satisfying experience for casual users who enjoy the interface.
How are ratings & reviews evolving?
What users say, by theme
- The core application functionality provides a satisfying experience for casual users who enjoy the interface
- App lock security fails because users can bypass the password by simply refreshing the locked application
10 of 10 recent reviews analyzed · moderate confidence · Excited overall
Read the full review analysisUnlock 1 more frustration theme, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for AppLock - Lock PIN Fingerprint
How's the Tools market?
AppLock - Lock PIN Fingerprint holds a niche presence in the Tools category, with recent grossing entries in international markets like Chile and Malaysia. The gap between its free-tier discovery and grossing performance indicates monetization friction relative to its core utility.
Read the market outlookThe rivals identified
By DoMobile Co., Ltd.
This is the dominant market leader in the exact same niche, maintaining high release velocity and massive user scale.
- Offers a comprehensive suite of vault features including private browsing and social media integration beyond basic app locking.
- Maintains a mature ecosystem of plugins and themes that creates significant user lock-in compared to standalone lockers.
- Provides advanced intrusion detection features like taking photos of unauthorized users attempting to access locked apps.
Unlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for AppLock - Lock PIN Fingerprint
Where is it heading?
The security utility market is consolidating around apps with high-velocity update cycles and established trust. With no significant feature updates in over a year, this app is increasingly exposed to rivals that offer more robust security and better privacy transparency, leading to long-term retention decay.
- The lock screen bypass vulnerability allows unauthorized access, which destroys the app's core security promise and drives negative sentiment.
- User allegations regarding data privacy violations create a trust deficit that will likely accelerate churn as users seek more transparent alternatives.
The SWOT
- Minimalist interface reduces onboarding friction
- Localized security messaging in high-growth markets
Next best moves
Patch screen-refresh bypass vulnerability because it is the top-reported security failure → restore core trust
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of feature density is an advantage, not a weakness…
Read the full takeFeature gaps
Private browsing (available in AppLock - photo lock but absent here) +1
Since the last report: Development activity has ceased for over a year, leaving critical security bypass flaws unpatched while user sentiment paradoxically shifted from mixed to positive.
Bottom line
The current security bypass vulnerability invalidates the app's primary value proposition. Addressing this flaw is the only path to retaining the user base, as privacy concerns currently threaten to drive users toward more trusted, platform-native alternatives.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is AppLock - Lock PIN Fingerprint safe to use?
How does this compare to the main AppLock app?
What are some free alternatives for app locking?
Sources
- [1] Play Store listing, source
Report last updated