Calculator Vault With Backup

Calculator vault to hide personal photos, pictures, videos and files

KH INFOSOFT · com.kkinfosis.myapplication

5.0 out of 5 (1 rating) 500K+ downloads v2.4.4 17.4 MB Android 4.4+ PEGI 3 · Everyone

Download APK 17.4 MB All versions

Signature matches the Google Play version Details

Calculator Vault With Backup screenshot 1

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Calculator Vault With Backup screenshot 8

At a glance

Latest version: v2.4.4 (52)
Updated: Jun 18, 2026 (4 months ago)
APK size: 17.4 MB
Requires: Android 4.4+ (API 19)
CPU support: Any (no native code)
Category: Personalization (app)
Permissions: 33 (12 sensitive)
Website: calculator.khinfosoft.com
Developer contact: [email protected]
Privacy: Developer's privacy policy

About this APK

Calculator Vault With Backup is an app by KH INFOSOFT in the Personalization category. It has no native code, so it runs on any Android processor.

Since version 2.2.5, the APK grew from 10.6 MB to 17.4 MB and the minimum Android version rose from 4.1 to 4.4. It asks for 33 permissions, 12 of them sensitive, including camera, read contacts and call phone. It asks for the same permissions as version 2.3.2. The app offers in-app purchases through Google Play and can read the advertising ID that ad and analytics services use.

What's new in v2.4.4

Payment Related issue fixed Bug fixing

Description

From the listing uploaded by “appupdater”.

Calculator Vault helps you to hide all types of files, including photos, videos, and other files in a hidden space with calculator vault password protection. It also provides you with other useful functions, including word format notes, video player, camera, GIFs, etc. You can use Calculator Vault as a private parallel space in your phone. Your files will be secretly stored in Calculator Vault's internal memory and can only be accessed by entering a digital PIN. Disguised as a secret calculator, Calculator Vault is a stunning free video vault, photo gallery lock, audio protector, and privacy guard for your personal information and media files. Main Features: Hide photos & videos Media files will be stored in Calculator Vault and will not be shown in any other photo album, gallery, or file manager. Keep praying eyes away from your private photos, videos, and movies in a safe photo and media files vault. Video Player & Built-in Photo Viewer with Gif support The calculator vault can play hidden videos inside the calculator lock. The video player provides a very convenient way to allow you to easily adjust the brightness, sound, and one-key mute to help you quickly switch in various situations. With a Built-in Photo Viewer, you can easily view all of your hidden photos inside the calculator lock app. Calculator Vault also supports you to edit photos. You can add filters, crop, text, and adjust basic parameters-just like system picture editing！ Private Browser If you want to protect your online identity and browsing data, then you can use the private browser is Calculator Vault. it can provide you with a secret and anonymous browsing experience with private history, private bookmarks, and direct downloads to Calculator Vault. App Lock For apps that have been locked, people need to enter a password or draw the unlock pattern to use. App lock can prevent privacy from leaking to others. Local Backup Back up all your personal files and data to your local pen drive or hard disk Cloud Backup Back up all your personal files and data to the cloud in a safe and private way. Guarantee your data security to the greatest extent. Icon Disguise The icon of the application is the same as any ordinary calculator, and you can also use it to perform calculations. You can change or hide the application icon from the menu or you can use vault faces to use different icons than the calculator. Face Down to Exit If you want to hide your vault you can face down your mobile to close the Calculator lock without anyone knowing. Fake Space & Fake password Calculator Vault also has the feature to add fake passwords to open fake space so that no one can know your real password except you. -----------FAQ----------- Q: How to use the Calculator vault? A: Enter your password into the calculator and click on the '=' button to open. Q: How to retrieve your password? A: Please enter “11223344=” to verify your security question and then reset the password or select the sent code to email the app will set a new password and send it to your email address. IMPORTANT: - Your privacy is important to us! Calculator Vault Calculator Lock – The photo and video Vault app does not copy or store any of your photos, videos, or files. - Do not uninstall Calculator Vault without exporting all your data to the gallery and backing up the data. We focus on protecting your privacy and we are dedicated to providing you the most advanced photo locker and video hider to keep your privacy safe! Please contact us at [email protected] for any queries or visit https://calculator.khinfosoft.com/ Accessibility API Usage Policy This app has battery saver mode for Applocker which uses Accessibility API to detect the change in foreground activity and show the lock screen. This setting needs to be manually activated by the user.

Version history

3 versions are listed, going back to v2.2.5. Since v2.3.2 it requires Android 4.4+.

v2.4.4 LATEST Jun 18, 2026 17.4 MB TRUSTED v2.3.2 Oct 30, 2023 17.3 MB TRUSTED v2.2.5 Jun 12, 2023 10.6 MB TRUSTED

All 3 versions

Security & authenticity

Security rating: Trusted

Signing certificate

Signature matches the Google Play version Checked by the source store on Jun 18, 2026.
Certificate issued to “kkinfosis” This is the certificate of the Google Play version.
Same certificate as the 2 other versions checked

Store checks and file details

Developer signature verified Jun 18, 2026
Validated against Google Play Jun 18, 2026
Signed byCN=kundan singh, OU=infomation techonology, O=kkinfosis, L=mumbai, ST=maharastra, C=in
Signing certificate (SHA-1)14:66:E5:9C:9D:A0:71:C4:7B:0C:BB:C0:E5:8D:CA:3C:5B:97:11:AE
File MD5117681212d21ffc93bc00f1f23ff99ff
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 (33)

Calculator Vault With Backup requests 33 permissions, 12 of them sensitive.

Access all files Sensitive android.permission.MANAGE_EXTERNAL_STORAGE
Bind accessibility service Sensitive android.permission.BIND_ACCESSIBILITY_SERVICE
Call phone Sensitive android.permission.CALL_PHONE
Camera Sensitive android.permission.CAMERA
Display over other apps Sensitive android.permission.SYSTEM_ALERT_WINDOW
Find accounts on the device Sensitive android.permission.GET_ACCOUNTS
Modify shared storage Sensitive android.permission.WRITE_EXTERNAL_STORAGE
Package usage stats Sensitive android.permission.PACKAGE_USAGE_STATS
Read contacts Sensitive android.permission.READ_CONTACTS
Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
Write contacts Sensitive android.permission.WRITE_CONTACTS
Advanced protection enabler (custom) com.kkinfosis.ADVANCED_PROTECTION_ENABLER
Advertising ID com.google.android.gms.permission.AD_ID
Bluetooth android.permission.BLUETOOTH
Bluetooth admin android.permission.BLUETOOTH_ADMIN
Change wifi state android.permission.CHANGE_WIFI_STATE
Control vibration android.permission.VIBRATE
Full network access android.permission.INTERNET
Get tasks android.permission.GET_TASKS
In-app purchases (Google Play Billing) com.android.vending.BILLING
Prevent the device from sleeping android.permission.WAKE_LOCK
Q android.permission.q
Receive push notifications com.google.android.c2dm.permission.RECEIVE
Run at startup android.permission.RECEIVE_BOOT_COMPLETED
Run foreground services android.permission.FOREGROUND_SERVICE
Set wallpaper android.permission.SET_WALLPAPER
Set wallpaper hints android.permission.SET_WALLPAPER_HINTS
Show notifications android.permission.POST_NOTIFICATIONS
Use biometric hardware android.permission.USE_BIOMETRIC
Use fingerprint hardware android.permission.USE_FINGERPRINT
View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
View network connections android.permission.ACCESS_NETWORK_STATE

Required hardware & features

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

Calculator Vault With Backup APK: questions and answers

Is there a version of Calculator Vault With Backup for older Android phones?

The current version needs Android 4.4 or later. Version 2.2.5 is the newest listed build that installs on Android 4.1 and later. It is an old build: apps that rely on online services may no longer connect when they are this old. Get version 2.2.5 · All versions

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 Calculator Vault With Backup free?

The APK is free to download, but the app offers in-app purchases through Google Play.

Is the Calculator Vault With Backup 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 117681212d21ffc93bc00f1f23ff99ff.