Call Guard

Take control of incoming calls

SmarTone · com.smartone.callguard

Not rated yet 100K+ downloads v3.3.4 24.6 MB Android 5.0+ PEGI 3 · Everyone

Download APK 24.6 MB All versions

Signature matches the Google Play version Details

At a glance

Latest version: v3.3.4 (459)
Updated: Sep 9, 2025 (1 year ago)
APK size: 24.6 MB
Requires: Android 5.0+ (API 21)
CPU support: Any (no native code)
Category: Communication (app)
Listed since: Jul 18, 2021 (at least)
Permissions: 13 (4 sensitive)
Website: smartone.com/callguard
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Call Guard is an app by SmarTone in the Communication category, listed since at least July 2021. It has no native code, so it runs on any Android processor.

Since version 3.3.2, the APK grew from 21 MB to 24.6 MB. It asks for 13 permissions, 4 of them sensitive, including read contacts, call phone and read shared storage. It asks for the same permissions as version 3.3.3.

What's new in v3.3.4

Performance tuning

Description

From the listing uploaded by “appupdater”.

Call Guard has blocked over 400 million junk calls for all users since its launch*, providing a hassle-free service to protect against unwanted calls. Call Guard has 5 key features: 1) No setups required, the database is updated automatically to intercept junk calls at the network level 2) Overseas Call Notification - Identify incoming overseas calls 3) VIP List - Only allow calls from approved contacts 4) Personal Blacklist - Blocks numbers you don't want to hear from 5) Blocks calls with a hidden caller ID^ SmarTone is committed to protecting your privacy, and our Call Guard service never saves your contact lists. Please visit https://www.smartone.com/hk/callguard-en for details. To activate the service: 1. Please call (852) 2880 2688 or visit any of our stores 2. Download and install the "Call Guard" app in your smartphone 3. Open the app and choose from a variety of functions, based on your needs Service is provided by SmarTone. We are always excited to hear from you. Email: [email protected] Enquiry: (852) 2880 2688 * Launched in Aug 2011. ^ The caller ID of some international calls may be hidden due to the IDD setting of the overseas provider. • This service is exclusive to SmarTone users. This service requires a monthly subscription fee. Please visit https://www.smartone.com/hk/callguard-en for details. Terms and conditions apply to this service.

Version history

3 versions are listed, going back to v3.3.2.

v3.3.4 LATEST Sep 9, 2025 24.6 MB TRUSTED v3.3.3 Oct 7, 2024 24.5 MB TRUSTED v3.3.2 Jun 17, 2024 21 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Sep 9, 2025.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Sep 9, 2025
Validated against Google Play Sep 9, 2025
Signed byC=852
Signing certificate (SHA-1)5E:05:3F:D8:A7:CE:21:0E:89:E1:BE:1F:8F:2D:B3:D3:8F:F6:02:61
File MD530ddbb23e7e0ddf32567c84c8a74b0fd
Uploaded by “appupdater” Gold tier · 117,810 followers · uploading since 2020

Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures (2 other versions compared). AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.

Permissions (13)

Call Guard requests 13 permissions, 4 of them sensitive.

Call phone Sensitive android.permission.CALL_PHONE
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Read contacts Sensitive android.permission.READ_CONTACTS
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Commondata get common data (custom) com.huawei.appmarket.service.commondata.permission.GET_COMMON_DATA
Full network access android.permission.INTERNET
Get tasks android.permission.GET_TASKS
Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
Prevent the device from sleeping android.permission.WAKE_LOCK
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Show notifications android.permission.POST_NOTIFICATIONS
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

Basic touch input android.hardware.faketouch
Portrait screen android.hardware.screen.portrait
Telephony (SIM) android.hardware.telephony
Wi-Fi android.hardware.wifi

Call Guard APK: questions and answers

Can I install this APK over the version I already have?

Yes, if your installed copy is older. It is signed like the Google Play version, so Android installs it as an update and keeps your data.

Is the Call Guard APK safe?

No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. Its signature matches the Google Play version. It is signed with the same certificate as the 2 other versions checked. After downloading, check that the file's MD5 is 30ddbb23e7e0ddf32567c84c8a74b0fd.