Calculator Pro+

Calculator Pro+ - Private SMS

App Name

Calculator Pro+ - Private SMS

Latest Version

4.1.138

Last Updated

Dec 1, 2025

Requirements

Android

Category

Communication

Size

43.85 MB

Type Certification

Safe Download

  7.0

Introduction:

Calculator Pro+ - Private SMS is a discreet mobile application that functions as a fully operational calculator while secretly housing a secure private messaging vault. This app addresses the need for personal privacy by allowing users to conceal their SMS and MMS conversations behind a functional interface that appears utterly innocuous. The primary reason to use Calculator Pro+ - Private SMS is to protect sensitive communications from unauthorized access, ensuring that private messages remain confidential. It effectively combines utility with secrecy, making it an essential tool for anyone valuing discretion.

Accessing the Hidden Messaging Interface

To begin using the concealed features, a user must open the Calculator Pro+ - Private SMS app and enter a pre-set passcode into the calculator’s keypad. This specific sequence of numbers and operators, such as a multiplication followed by a equals sign, acts as the command to unlock the secret vault. Upon successful entry, the standard calculator interface seamlessly transitions to reveal the private inbox. This workflow ensures that the true purpose of Calculator Pro+ - Private SMS remains hidden from anyone who might casually handle the device, providing an immediate layer of security.

Calculator Pro+ - Private SMS

Managing Private Contacts and Conversations

Within the secured environment of Calculator Pro+ - Private SMS, users can designate specific individuals as Private Contacts. Any incoming SMS or MMS from these saved numbers is automatically intercepted and diverted into the app’s hidden inbox, leaving no trace in the device’s native messaging application. Users perform actions like reading, replying to, and organizing these conversations directly within the vault. The result is a completely isolated and secure communication channel for sensitive dialogues, a core function of the Calculator Pro+ - Private SMS experience.

Calculator Pro+ - Private SMS

Sending Secure Media and Messages

The application enables users to send more than just text. From within the hidden interface of Calculator Pro+ - Private SMS, one can compose new messages, attach photos and videos from the device’s gallery, and even share audio recordings and real-time location data. The process involves selecting a private contact, choosing the desired media type, and hitting send. These messages are transmitted securely to other users, and if the recipient also uses Calculator Pro+ - Private SMS, the communication is free and end-to-end encrypted, enhancing privacy.

Calculator Pro+ - Private SMS

Utilizing the Integrated Spam Blocker

A key operational feature is the app’s ability to filter unwanted communications. Calculator Pro+ - Private SMS includes a configurable spam blocker that users can activate from the settings menu. The system scans all incoming messages against customizable filters and user-defined block lists. When a message is identified as spam, the user can choose to automatically delete it or have it quarantined within a separate spam folder inside the vault. This workflow keeps the main hidden inbox clean and focused on important, wanted conversations.

Calculator Pro+ - Private SMS

Customizing Alerts with Fake Notifications

To maintain the app’s disguise during an incoming private message, Calculator Pro+ - Private SMS offers a clever notification system. Users can configure the app to display a fake system alert, such as a “Battery Low” warning or a “Network Connection Lost” message, instead of a standard message preview. This action is performed in the notification settings where one selects their preferred fake alert type. The result is that any onlooker is misled, while the actual user is discreetly informed that a new message is waiting in the Calculator Pro+ - Private SMS vault.

Calculator Pro+ - Private SMS

Performing Backups and Data Management

Users of Calculator Pro+ - Private SMS can safeguard their hidden messages against accidental loss. The process involves navigating to the app’s settings and initiating a manual backup, which exports all vault data to a secure location on the device or a cloud storage service. For automated protection, one can enable the auto-backup feature, which performs this task at scheduled intervals. This ensures that even if the app is uninstalled, a user’s entire private message history can be restored, preserving their confidential communications.

Calculator Pro+ - Private SMS

Key Features

  Disguised interface masquerading as a fully functional calculator.

  Automatic hiding of SMS/MMS from designated private contacts.

  Free, secure messaging and media sharing with other app users.

  Customizable spam filtering and blocking tools.

  Fake notification system to preserve the app’s secrecy.

  Optional local or cloud backup for hidden message data.

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