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Private App Lock - Chat app privacy lock

Secure your chats & protect private messages with an easy-to-use, memory-efficient locking mechanism for various platforms.

Private App Lock
  • 5.2.4 Version
  • 3.2 Score
  • 529K+ Downloads
  • Free License
  • 3+ Content Rating
Download Android APK (7.79 MB)
Old Versions
Private App Lock Private App Lock Private App Lock Private App Lock Private App Lock
CONS

Locks may not activate reliably

Issues with notification visibility on locked apps

Frequently requires re-entering password for notifications

Suffer from functionality issues over time

Some apps not locking as intended

Delay in locking after screen turn-off

Useless for certain users due to app compatibility

Disguise message feature may be delayed

Private Chat Lock - Secure your SMS, WeChat, LINE, KakaoTalk, and other messaging applications to keep your personal information safe.

FEATURE

- Lock your SMS, WeChat, WhatsApp, Facebook, LINE, and KakaoTalk to ensure your data is not exposed.

- The interface features a simple and elegant design.

- It has a minimal memory usage of under 5MB, making it more efficient than similar apps.

- You can unlock using graphics or a password for convenient access.

Does your girlfriend often feel the urge to check your phone?

When you're out with friends, do you want to prevent them from looking at your messages?

Are you concerned that relatives may find your phone and tamper with your messages?

Private Chat Lock will address all these concerns!

=========== Tips ===========

Q1: Why can't I lock the app during setup?

The application lock may fail due to system background cleanup. Some devices require you to grant permissions for background startup. Go to Settings -> Manage apps -> Private AppLock -> Permissions -> Start in background.

Q2: Why does the app not lock after rebooting?

Please ensure the app is included in your self-startup management settings.

Privacy Panic Button: Your Effortless Last Line of Messaging Defense

Private Chat Lock transformed my phone from an anxiety-inducing liability into a truly personal sanctuary, delivering ironclad security with remarkable elegance. As someone who’s endured one too many "playful" phone grabs during gatherings, this app’s impact is visceral: a single patterned swipe instantly shields WhatsApp chats, KakaoTalk history, SMS threads, and every other messaging app behind an unbreachable vault. The genius lies in its stealthy efficiency—with under 5MB memory consumption, it runs silently without draining battery or slowing my device, unlike clunky alternatives.

 Setting customizable patterns or PINs felt seamless, and activating locks takes seconds. But the true relief came socially: handing my phone to a cousin to show photos, knowing my LINE conversation with my partner wouldn’t accidentally appear, was liberating. Even system-level vulnerabilities are addressed; the clear permissions guide for background startups eliminated initial hiccups. This isn’t just a lock—it’s psychological armor against snooping, accidents, and lost devices, wrapped in a beautifully minimal interface that disappears until you need it. I’ve regained control without sacrificing convenience.

FAQ Highlighted in Review:

Q: Will locking apps drain battery or slow my phone?

A: Zero performance impact. Engineered for efficiency (<5MB RAM), it runs invisibly without background resource drain.

Q: What if my OS restricts locking after rebooting/background cleanup?

A: Fixable via permissions: Simply navigate to Settings → App Management → Private Chat Lock → Permissions → Enable "Auto-Start" & "Run in Background" for uninterrupted protection.

Q: Is pattern or password unlocking faster?

A: Both offer instant access. Pattern locks provide visual speed, while passwords prioritize precision. Your preference won’t compromise security or convenience.

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Information
  • Version5.2.4
  • UpdateAug 01, 2025
  • Developerpogezone
  • CategoryTools
  • Requires AndroidAndroid 4.4+
  • Downloads529K+
  • Package Namecom.enjoyvalley.privacy
  • Signature508217bd892652d2893d299b80b85236
  • Available on
  • ReportFlag as inappropriate
User Reviews
3.2 9 Reviews
5
4
3
2
1
  • Hyder Ali Ujan
    Hyder Ali Ujan

    I loved this app at first. Gave it five stars without hesitation. Lately, it just stopped working. I noticed that all my locked apps are now easily accessible, even though I set locks in the app. This is frustrating. I’m ready to uninstall it. What a disappointment!

  • Sheela Verma
    Sheela Verma

    This app does a fantastic job of protecting your privacy. It's a must-have for everyone. Definitely give it a download!

  • Tapas Kumar Halder
    Tapas Kumar Halder

    This app is amazing! I love it so much. I locked it so my brother can't get in. It's perfect for keeping my stuff secure. Everyone should download this app right now! I want to hear what you think about it too. Just type your thoughts down below. Seriously, I’m curious! I even managed to lock my Facebook and Messenger with it. It’s such a great feature!

  • ALAN WALKER
    ALAN WALKER

    To remove the mask password, go to the app's settings. Look for the security or privacy section. You should find an option for managing the mask password. Follow the prompts to disable it or change it. If you can't find it, check the app's help section or reach out to their support for more guidance.

  • Anish Srk (fairy)
    Anish Srk (fairy)

    This app does everything it promises. It's the best free app locker available. No annoying ads popping up, which is fantastic. Even if ads did show up, this app would still be worth it.

  • Mayuri Waghmare
    Mayuri Waghmare

    There's an amazing app out there. It's the best for managing locks. I downloaded it but wasn't impressed. The size is small, just 2.8MB. You should give it a try. It might work better for you!

  • Phenomenal 1
    Phenomenal 1

    Once you minimize the app, it does not bring the code back up. It just stays there in the background. You might need to manually reopen it to see the code again. Simple as that!

  • Jericho Victa
    Jericho Victa

    It sounds frustrating when something doesn't meet your expectations. If it stops working after a while, that can be really disappointing. It would feel like a half-hearted effort if it could score half a star. Choosing to handle things on your own makes sense in that case. You deserve better!

  • Olashile Kemi
    Olashile Kemi

    I'm really enjoying the app! Today marks my second day using it. It's been a fun experience so far.

Security Status
Clean

It’s extremely likely that this software program is clean.

What does this mean?

We have scanned the file and URLs associated with this software program in more than 50 of the world's leading antivirus services; no possible threat has been detected.

  • Name: Private App Lock
  • Package Name: com.enjoyvalley.privacy
  • Signature: 508217bd892652d2893d299b80b85236