Calculator Pro+ - Secure Messaging & SMS Hider
Experience discreet texting with hidden messages, spam blocking & a calculator disguise for ultimate privacy.

- 4.1.99 Version
- 3.1 Score
- 460K+ Downloads
- In-app purchases License
- 3+ Content Rating
Are you in search of a secure messaging application that ensures your conversations stay private? Do you want to keep your SMS/MMS hidden from unwanted viewers? Fed up with spam inundating your inbox? Look no further than Calculator Pro+!
Calculator Pro+ is a secure and subtle app designed to conceal SMS/MMS messages from selected contacts behind the guise of a fully functional calculator interface. No one will recognize it as a hidden messaging application!
Secure & Private Messaging
Conceal messages to maintain the confidentiality of your personal conversations.
Designate any contact as a Private Contact to automatically store their messages within the app.
Your concealed SMS/MMS messages are safeguarded with a password-protected calculator.
Spam SMS Blocker
Prevent spam SMS and filter through incoming messages.
Personalize notifications with false alerts to guarantee total privacy.
Free Private Texting
Engage in complimentary secure messaging with fellow Calculator Pro+ users.
Send endless texts, photos, audio, and video messages, and even share your location.
Emoji Support
Communicate your feelings using over 300 emojis and stickers.
More Features:
Secret calculator application with a hidden vault.
Private text app for secure conversations.
Automatic backup of all your messages.
No visible app icon for added confidentiality.
Auto-close feature for enhanced security.
Note:
To access all features, set AdvanceSMS as your default SMS application on devices running Android 5 or higher.
Download Calculator Pro+ today to discover the optimal method for concealing your messages and enjoying private texting!
How to take backup and restore backup of messages ?
Take Backup:
On-Phone Storage:
Open application and export database from Settings >> Chat Settings >> Backup & Restore Messages >> Manual Backup >>
Export To External(Media & database both are exported)
Export To Internal(Only database are exported)
On Google Drive:
Open application and export database from Settings >> Chat Settings >> Backup & Restore Messages >> Backup on Google Drive >> Select account >> Backup
Restore Backup:
From Phone Storage:
Install “Calculator Pro+ – Private SMS” application.
Open application and Import database from Settings >> Chat Settings >> Backup & Restore Messages >> Restore Backup. It should show the database to import and also it should show two
Options 1 :Import from External(Media & database from where you exported)
Option 2: Import from Drive(Restore from Drive).
Select a database to restore messages.
From Google Drive:
Open the application and import the database from Settings >> Chat Settings >> Backup & Restore Messages >> Backup on Google Drive >> Select the account (same account on which you have taken backup) >> Restore
How to export MMS?
Open your conversation.
Click on the message which contains MMS.
It should open MMS viewer, now press menu where you can find “Save” option.
It will save Photo in SD Card. (SD CARD/psb/savedmedia)
How to get lost messages ?
Option-A:
If you have removed application then install “Calculator Pro+” again.
Open application and go to Settings.
Go to Backup and Restore Messages.
Click on “Restore Messages”.
Select latest backup from list. (It takes auto backup on every week, you can restore
latest backup)
Option-B:
If you have application already installed and want to move messages back to native application.
Open application.
Long press on conversation or contact
Select “Modify Contact”
Now click on “Delete Contact” which will give you option to move your messages to native application.
- Version4.1.99
- UpdateApr 23, 2025
- DeveloperPrivate SMS Box
- CategoryCommunication
- Requires AndroidAndroid 5.0+
- Downloads460K+
- Package Namecom.privatesmsbox.calc
- Signature3947fd356cba935ff035501d4184e288
- Available on
- ReportFlag as inappropriate
-
NameSizeDownload
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32.04 MB
-
31.69 MB
-
9.77 MB
Provides anonymous messaging capabilities.
Hides private messages behind a calculator interface.
Offers security features for sensitive communications.
Allows for private contact management.
Supports PIN or fingerprint access.
Unique concept of blending calculator functionality with messaging.
It's effective at concealing app usage from prying eyes.
Functions reasonably well with minor bugs that can be fixed.
Requires installation of a third-party SMS app.
Loss of conversation history when switching apps.
Messages sometimes don't send or are delayed.
Notifications may not work as intended.
Calls still appear in regular call logs.
Occasional bugs causing messages to go to the main inbox.
Difficulty accessing hidden messages if app is masked.
Customer support responses may be slow or unhelpful.
Inconvenient requirement to change default messaging settings.