# App lock - Fingerprint

> Secure apps with password, pattern and fingerprint if supported.

Canonical page: [https://chrome-stats.com/d/com.bstech.security.applock](https://chrome-stats.com/d/com.bstech.security.applock)

## Overview

- **ID:** `com.bstech.security.applock`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** lock screen passcode
- **Category:** TOOLS
- **Downloads:** 9,149,042
- **Rating:** 4.03 / 5 (76,791 ratings)
- **Version:** 2.9.5
- **Last updated:** 2026-08-11
- **First published:** 2020-01-08
- **Publisher country:** VN
- **Size:** 46 MB
- **Data as of:** 2026-09-07
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.bstech.security.applock)
- **Website:** [http://btbapps.com/](http://btbapps.com/)
- **Privacy policy:** [https://sites.google.com/view/applock-finger-policy/](https://sites.google.com/view/applock-finger-policy/)

## Description

App Lock - Fingerprint is a robust security extension for Android devices (version 6.0+) that enables you to secure your apps using a PIN code, pattern, or fingerprint. It supports locking popular social media apps like Facebook, WhatsApp, Instagram, as well as system apps such as Contacts, Settings, Gmail, and browsers to protect your privacy every time you access them.

Featuring seamless fingerprint support for quick and secure unlocking, App Lock also notifies you to lock newly installed apps instantly. Its vibrant and customizable lock screens adapt color schemes based on apps for an enhanced user experience. Download App Lock to safeguard your personal data with its easy-to-use, free interface and stylish templates.

## Rankings

- #15,167 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.BROADCAST_PACKAGE_REMOVED`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.FOREGROUND_SERVICE_SPECIAL_USE`
- `android.permission.GET_TASKS`
- `android.permission.INTERNET`
- `android.permission.KILL_BACKGROUND_PROCESSES`
- `android.permission.PACKAGE_USAGE_STATS`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.QUERY_ALL_PACKAGES`
- `android.permission.RECEIVE_BOOT_COMPLETED`
- `android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.USE_FINGERPRINT`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.bstech.security.applock.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

User reviews skew positive overall, with many calling the app good or very good and noting ease of use. Recurrent concerns center on fingerprint support, with mentions of fingerprint removal or no fingerprint available. A subset of reviews expresses strong negative opinions (worst app lock ever / very harmful). The pattern suggests a generally usable app that may lack reliable fingerprint functionality for some users, while still being seen as a reasonable option by others.

### Pros

- Overall positive perception: many reviewers describe the app as good or very good.
- Easy to use and user-friendly interface.
- Useful and considered a good option among lock apps.
- Frequent praise with terms like great, excellent, nice.

### Cons

- Fingerprint feature removed / fingerprint support not available (mentioned in multiple reviews).
- No fingerprint support reported by some users (alternative phrasing of the same issue).
- Very negative experiences: some users label it the worst app lock ever or describe it as very harmful.

## Similar extensions and apps

- [AppLock - Fingerprint Lock](https://chrome-stats.com/d/com.luckystars.fingerprint.applock) — 38,836 users
- [Applock: Lock Apps Fingerprint](https://chrome-stats.com/d/com.applockfingerprint.applock.lockapplock) — 76,771 users, 4.33 / 5
- [App Lock - Applock Fingerprint](https://chrome-stats.com/d/app.lock.fingerprint.password) — 9,489 users
- [App Lock - Fingerprint](https://chrome-stats.com/d/app.lock.applocker.finger.face.lock.password.plus) — 524 users
- [App Lock - Fingerprint, PIN](https://chrome-stats.com/d/com.applock.fingerprintprotector) — 1,101 users
- [App Lock - Applock Fingerprint](https://chrome-stats.com/d/applock.fingerprint.password.applocker) — 16,020 users
- [App Lock Fingerprint Password](https://chrome-stats.com/d/com.tph.applockfingerprintpassword) — 111 users
- [App Lock - Fingerprint Lock](https://chrome-stats.com/d/com.appsohlic.applock.fingerprint) — 78 users
- [App Lock - Applock Fingerprint](https://chrome-stats.com/d/fingerprint.app.lock) — 7,051 users
- [AppLock - Fingerprint Lock](https://chrome-stats.com/d/com.samarendra.applock) — 14,101 users, 4.78 / 5
- [App Lock - AppLock Fingerprint](https://chrome-stats.com/d/com.shreeganesh.applock.fingerprint.lockapp) — 16,925 users
- [AppLock - Fingerprint App Lock](https://chrome-stats.com/d/com.app.protector.locker.free) — 237,254 users, 3.31 / 5

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.bstech.security.applock)