TeleCall - Caller ID Block for Android

TeleCall - Caller ID Block by Khanh Thanh LTD is an Android dialer replacement designed to reduce robocalls and identify unknown numbers. The app replaces the device phone handler and provides real-time caller ID plus reverse-number lookup with Low/Medium/High risk labels. It also offers on-device spam screening and an unseen message preview for quiet notification review, aiming at Android users who receive frequent unsolicited calls and value local data processing.

Combines calling, contact editing and manual blocking in one place

The app supplies an integrated keypad and a custom in-call screen so dialing and active-call controls stay inside a single interface. Contact management lets you browse, search, and edit entries without switching apps, and a dedicated block list accepts manual entries or one-tap blocking from recent activity. These elements keep call handling consolidated for users who prefer to manage numbers from a single app.

Processes spam detection on-device to limit cloud exposure

TeleCall uses a locally stored database to screen known robocalls and apply spam-risk labels, reducing the need to upload contact or call log data. The developer states number lookups and spam labeling are handled on the device, while internet access is used mainly for advertisements and app services. This architecture is helpful for users who want identification without routine server-side contact harvesting.

Lets you preview messages quietly via notification access

The unseen message preview reads notifications from third-party messaging apps through Notification Access so you can inspect content without opening the source app or triggering read receipts. That feature does not request SMS permissions, which narrows its access scope, but it does require granting notification rights in system settings, a trade-off between private previews and additional permissions.

Full functionality requires making the app the default phone handler on Android

To use the in-app keypad, automatic call screening, and blocking, the app must be assigned as the device's default Phone handler and given notification access. TeleCall is available only for Android devices, so switching to it changes how incoming calls are routed and how other dialers interact with the device. The package also provides a reverse lookup tool and a three-tier risk assessment based on community reports and database analysis.

Suitable for privacy-minded Android users, with an early-growth caveat

TeleCall fits Android users who prioritize local caller identification and prefer fewer cloud interactions; its design emphasizes on-device processing and private notification previews. The project is in an early growth phase with relatively few public reviews, so expect feature refinements over time. Users who value established, widely reviewed dialers may wait, while those seeking local control can adopt it cautiously.