Best CSDI(Communication Security Disciplined Interface) Alternatives for Android

Discover the best apps like CSDI(Communication Security Disciplined Interface) by Dark Tranquility. Curated by the APKPure Editorial Team and based on app features, usability, and user feedback, these recommendations ensure reliable performance and great user experience. Explore the best alternatives to CSDI(Communication Security Disciplined Interface) and find the perfect app for your everyday needs.

VPN Proxy Master - Safer Vpn SECUREGUARD GROUP

7.8

186 Reviews

36.7 MB

Size

Apr 22, 2026

Update Date

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VPN Proxy Master - Safer Vpn is a security app that creates a private, encrypted connection for safer online use.
Security Master - Antivirus, VPN, AppLock, Booster Cheetah Mobile (AppLock & AntiVirus)

9.3

178 Reviews

24.5 MB

Size

Mar 1, 2025

Update Date

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Security Master is a security and privacy app that protects your device and data.
Safe Security - Antivirus, Bo Safe Security Develop

9.0

119 Reviews

26.0 MB

Size

Jun 18, 2020

Update Date

Download

Antivirus cleaner,App lock,Clean Master,speed booster,space cleaner
Cache Cleaner-DU Speed Booster (booster & cleaner) DU APPS STUDIO - BATTERY&BOOSTER

9.1

119 Reviews

12.6 MB

Size

Jan 26, 2026

Update Date

Download

Boost the speed of your phone with just One-Tap to keep your phone Fast!🚀
USA VPN - Free VPN Proxy & Wi-Fi Security World Vpn Lab

8.8

13 Reviews

19.2 MB

Size

Mar 13, 2020

Update Date

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USA VPN is a VPN proxy app that helps you connect through secure servers.
Ultra VPN — Super Secure Proxy Fast VPN Pro

8.1

46 Reviews

15.6 MB

Size

May 7, 2026

Update Date

Download

Unlimited VPN access to 1300+ virtual servers. Get UltraVPN for fast VPN speeds.
Bestline VPN - Free & Fast & Unlimited & Unblock Unlimited DT Security Studio

8.8

67 Reviews

17.1 MB

Size

Oct 17, 2019

Update Date

Download

Bestline VPN - one-tap unblock websites and apps, unlimited time, permanent free
Avira Security Antivirus & VPN AVIRA

9.0

30 Reviews

24.3 MB

Size

Mar 4, 2026

Update Date

Download

Fast Antivirus & VPN, Identity Protection and App-Locker
DU Antivirus Security - Applock & Privacy Guard DU Security Lab（Antivirus killer and cleaner）

8.4

10 Reviews

11.2 MB

Size

Mar 1, 2025

Update Date

Download

Antivirus Privacy App to prevent virus threats and privacy leak, 24/7 protection
Virus Cleaner, Antivirus, Cleaner (MAX Security) ONE App Ltd.

9.4

110 Reviews

20.1 MB

Size

Sep 13, 2019

Update Date

Download

MAX Security & Antivirus: Clean Virus, Remove Junk, Clean Phone, Protect mobile.
Bitdefender Mobile Security Bitdefender

9.5

54 Reviews

37.9 MB

Size

May 5, 2026

Update Date

Download

Total protection for your phone security: Antivirus, Malware scan, Scam defense
Norton App Lock Norton Labs

9.4

12 Reviews

5.1 MB

Size

Nov 16, 2021

Update Date

Download

Norton App Lock is a security app that adds a lock screen to your apps.
F-Secure Mobile Security F-Secure Corporation

8.7

13 Reviews

21.6 MB

Size

Apr 9, 2026

Update Date

Download

Antivirus, Virus Cleaner & Malware Scan | Mobile Security & Hacker Protection
Applock TOH Talent Team

9.8

9 Reviews

28.4 MB

Size

May 1, 2026

Update Date

Download

App lock, security apps keep safe private photo vault by password pattern
AMC Security-Boost & Antivirus IObit Mobile Security

9.4

33 Reviews

27.0 MB

Size

Jan 12, 2023

Update Date

Download

Powerful Booster and Antivirus make your phone faster & cleaner and safer.
Super Security - Antivirus, Booster & AppLock Smooth Tech Studio

9.2

32 Reviews

9.6 MB

Size

Jun 24, 2019

Update Date

Download

Antivirus Software & Mobile Security: Virus Cleaner, Booster, Security Scanner.
AVG Protection AVG Mobile

9.6

42 Reviews

68.7 MB

Size

Nov 15, 2025

Update Date

Download

Get complete AVG protection exclusively for your phone!
BOTTLE VPN - Unlimited Security Unblock WIFI Proxy Fruit Security Studio(Proxy & Communication)

8.7

6 Reviews

7.9 MB

Size

Jul 23, 2018

Update Date

Download

BOTTLE VPN-free unlimited & security VPN proxy,100% free VPN!
GO Security－AntiVirus, AppLock, Booster Video Editor & Video Maker Dev

9.3

11 Reviews

17.5 MB

Size

Mar 5, 2019

Update Date

Download

The lightest security app with 5-star antivirus engine, applock, booster
Sophos Intercept X for Mobile Sophos Limited

9.0

17 Reviews

45.3 MB

Size

Nov 24, 2025

Update Date

Download

Mobile Threat Defense (MTD) and antimalware protection for Android devices.

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