Calculator Lock – Lock Video & Hide Photo – HideX
Calculator vault to lock video, hide photo and private browser🔒
Flatfish Studio · com.flatfish.cal.privacy
At a glance
- Latest version
- v3.5.17.4 (30517004)
- Updated
- Oct 1, 2026 (8 days ago)
- APK size
- 32.5 MB
- Requires
- Android 4.4+ (API 19)
- CPU support
- ARM 32-bit, ARM 64-bit
- Graphics
- OpenGL ES 2.0+
- Category
- Tools (app)
- Permissions
- 179 (24 sensitive)
- Developer contact
- [email protected]
- Privacy
- Developer's privacy policy
About this APK
Calculator Lock – Lock Video & Hide Photo – HideX is an app by Flatfish Studio in the Tools category. It includes native code for ARM 32-bit and ARM 64-bit, so it runs on practically every phone.
It asks for 179 permissions, 24 of them sensitive, including precise location, camera and record audio. The app offers in-app purchases through Google Play.
Ratings
Ratings from users of the source store — not collected or verified by AAPKs.
Description
From the listing uploaded by “believe1”.
HideX, the calculator lock app, is a photo and video calculator gallery vault for photo lock gallery, video lock behind a math calculator without anyone knowing as gallery lock.
Disguised as a calculator, HideX gallery vault is a stunning free video gallery vault, photo gallery lock, audio protector and privacy lock for your personal information and media files.
Install privacy lock and calculator gallery vault now so that no one can view hidden folders or privacy files except yourself.
Launch the calculator gallery vault, and set a password on the calculator panel. Then you can create your own photo gallery and media gallery, manage the privacy hidden folders or albums of photos and videos, lock videos and hide photos from system gallery, while others could only see a normal calculator installed on your phone.
🔒Highlight Features
- Gallery vault lock: detect photos and videos on your device automatically
- Privacy lock: gallery vault hide picture and videos, lock photo album
- Gallery vault calculator: disguise on home screen as a calculator
- Sort files or folder, better organize hidden photos and videos in gallery vault lock
- Built-in private image viewer, video player
- Private browser to visit sites private and safe
- Large media storage to lock video & hide photo in hidex gallery vault pro.
🎭Icon Disguise: most secure private gallery
- Calculator video lock, calculator photo vault, no one knows its existence except you
- photo and video lock in personal gallery can only be viewed with correct numeric PIN you set for private calculator gallery vault
- Offer all the regular and scientific calculator functions to make perfect disguise for secure gallery vault picture/video lock.
📷Hide photos, hide pictures
- hide pictures to our hidden photo vault from system gallery
- Browse hidden photos in safe place
- Support multiple formats picture: jpg, png, gif and more
🎥Video Lock and Media Vault
- Keep others away from your private videos, movies in safe video vault
- No need to worry that someone scan your private media when handing your phone
- Create unlimited secret folders and import files
📁Multiple Vault & Fake Vault
- Create multiple gallery vaults with different passwords for storing photos, videos respectively.
- Set one of them to be a fake calculator gallery vault
🌐Safe view websites via build-in privacy browser
- Incognito mode for privacy browser
- Built-in privacy browser history cleaner to protect privacy
📁Effective Media Vault Management
- Effectively sort and organize encrypted private files
- Easy to locate, rename and delete photos, pictures, and videos in secret gallery vault
⚠️Break-in Alert
- Turn on the alert and get photo snapped when unlocking gallery vault failed
- Snap anyone who try to break into your privacy
📧Recovery email for gallery vault recovery photos
- Set a recovery email to make sure your gallery vault photos and videos never be lost
---- FAQ ----
Q: How to use HideX - the best secret calculator video vault?
A: Launch calculator gallery vault to enter disguised math calculator.
Set your password and press “=” to confirm your password.
Allow privacy keeper to access photo, media and files.
Q: What if I lost my phone?
A: Please be sure that your hidden files are stored only on your device and not online.
Hidex,as a privacy lock is a fantastic privacy protection app to hide photos and lock videos. Feel free to use this amazing calculator video vault and photo vault now!
We focus on full and professional privacy protection and are also contributed to provide the most advanced video hider and photo locker to keep your privacy safe!
______________
More features will be added and improved in the updated version of hidex, the best calculator gallery vault.
If there’s any problem or suggestion, please contact us via [email protected]
Security & authenticity
Security rating: Trusted
Signing certificate
- Certificate issued to “Nemo” Not the developer's name (“Flatfish Studio”). Names in certificates can't be verified, so this alone proves nothing.
Store checks and file details
- Developer signature not checked yet Dec 29, 2021
- Antivirus scan result not available
- Signed byCN=Nemo, OU=Nemo, O=Nemo, L=GZ, ST=GD, C=86
- Signing certificate (SHA-1)BD:15:B2:AF:24:7E:F0:02:2B:F1:A8:0F:5B:58:DE:19:4A:6E:91:D6
- File MD5199bc92f393ef8cb470197aff6175ff2
- Uploaded by “believe1” uploading since 2026
Scans and ratings come from the source store; the certificate comparisons are AAPKs's own, made from the files' published signatures. AAPKs doesn't scan files itself — compare the MD5 and signer after downloading.
Permissions (179)
Calculator Lock – Lock Video & Hide Photo – HideX requests 179 permissions, 24 of them sensitive.
- Access all files Sensitive android.permission.MANAGE_EXTERNAL_STORAGE
- Access media location Sensitive android.permission.ACCESS_MEDIA_LOCATION
- Activity recognition Sensitive android.permission.ACTIVITY_RECOGNITION
- Approximate location Sensitive android.permission.ACCESS_COARSE_LOCATION
- Body sensors Sensitive android.permission.BODY_SENSORS
- 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
- Precise location Sensitive android.permission.ACCESS_FINE_LOCATION
- Read calendar Sensitive android.permission.READ_CALENDAR
- Read contacts Sensitive android.permission.READ_CONTACTS
- Read phone numbers Sensitive android.permission.READ_PHONE_NUMBERS
- Read phone status and identity Sensitive android.permission.READ_PHONE_STATE
- Read shared storage Sensitive android.permission.READ_EXTERNAL_STORAGE
- Record audio (microphone) Sensitive android.permission.RECORD_AUDIO
- Request installing other apps Sensitive android.permission.REQUEST_INSTALL_PACKAGES
- See all installed apps Sensitive android.permission.QUERY_ALL_PACKAGES
- Use sip Sensitive android.permission.USE_SIP
- Write calendar Sensitive android.permission.WRITE_CALENDAR
- Write contacts Sensitive android.permission.WRITE_CONTACTS
- Write settings Sensitive android.permission.WRITE_SETTINGS
- Access (custom) com.asus.msa.SupplementaryDID.ACCESS
- Access cache filesystem android.permission.ACCESS_CACHE_FILESYSTEM
- Access download manager android.permission.ACCESS_DOWNLOAD_MANAGER
- Access gps android.permission.ACCESS_GPS
- Access location extra commands android.permission.ACCESS_LOCATION_EXTRA_COMMANDS
- Access service (custom) com.samsung.svoice.sync.ACCESS_SERVICE
- Access udid (custom) com.huawei.permission.sec.ACCESS_UDID
- Access wimax state android.permission.ACCESS_WIMAX_STATE
- Account manager android.permission.ACCOUNT_MANAGER
- Add home-screen shortcuts com.android.launcher.permission.INSTALL_SHORTCUT
- Alarm set alarm (custom) com.android.alarm.permission.SET_ALARM
- Android get installed apps (custom) com.android.permission.GET_INSTALLED_APPS
- Android launch personal page service (custom) com.sec.android.permission.LAUNCH_PERSONAL_PAGE_SERVICE
- Android read msg pref (custom) sec.android.permission.READ_MSG_PREF
- Android voip interface (custom) com.sec.android.permission.VOIP_INTERFACE
- Authenticate accounts android.permission.AUTHENTICATE_ACCOUNTS
- Badge read (custom) com.sec.android.provider.badge.permission.READ
- Badge write (custom) com.sec.android.provider.badge.permission.WRITE
- Badger badge count read (custom) me.everything.badger.permission.BADGE_COUNT_READ
- Badger badge count write (custom) me.everything.badger.permission.BADGE_COUNT_WRITE
- Battery stats android.permission.BATTERY_STATS
- Bind appwidget android.permission.BIND_APPWIDGET
- Bind directory search android.permission.BIND_DIRECTORY_SEARCH
- Bluetooth android.permission.BLUETOOTH
- Bluetooth admin android.permission.BLUETOOTH_ADMIN
- Broadcast package added android.permission.BROADCAST_PACKAGE_ADDED
- Broadcast package changed android.permission.BROADCAST_PACKAGE_CHANGED
- Broadcast package install android.permission.BROADCAST_PACKAGE_INSTALL
- Broadcast package replaced android.permission.BROADCAST_PACKAGE_REPLACED
- Broadcast sticky android.permission.BROADCAST_STICKY
- Browser read history bookmarks (custom) com.android.browser.permission.READ_HISTORY_BOOKMARKS
- Browser write history bookmarks (custom) com.android.browser.permission.WRITE_HISTORY_BOOKMARKS
- Change configuration android.permission.CHANGE_CONFIGURATION
- Change network state android.permission.CHANGE_NETWORK_STATE
- Change wifi multicast state android.permission.CHANGE_WIFI_MULTICAST_STATE
- Change wifi state android.permission.CHANGE_WIFI_STATE
- Change wimax state android.permission.CHANGE_WIMAX_STATE
- Clear app cache android.permission.CLEAR_APP_CACHE
- Clear app user data android.permission.CLEAR_APP_USER_DATA
- Context read record audio (custom) com.samsung.android.providers.context.permission.READ_RECORD_AUDIO
- Context write record audio (custom) com.samsung.android.providers.context.permission.WRITE_RECORD_AUDIO
- Context write use app feature survey (custom) com.samsung.android.providers.context.permission.WRITE_USE_APP_FEATURE_SURVEY
- Control vibration android.permission.VIBRATE
- Controller (custom) com.sec.android.app.voicenote.Controller
- Delete packages android.permission.DELETE_PACKAGES
- Device power android.permission.DEVICE_POWER
- Disable keyguard android.permission.DISABLE_KEYGUARD
- Download (custom) com.huawei.permission.app.DOWNLOAD
- Download without notification android.permission.DOWNLOAD_WITHOUT_NOTIFICATION
- Expand status bar android.permission.EXPAND_STATUS_BAR
- Flashlight android.permission.FLASHLIGHT
- Freemme msa (custom) freemme.permission.msa
- Full network access android.permission.INTERNET
- Get clips android.permission.GET_CLIPS
- Get intent sender intent android.permission.GET_INTENT_SENDER_INTENT
- Get package size android.permission.GET_PACKAGE_SIZE
- Get tasks android.permission.GET_TASKS
- Gms ad id notification (custom) com.google.android.gms.permission.AD_ID_NOTIFICATION
- Google Play install referrer com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE
- Google Play license check com.android.vending.CHECK_LICENSE
- Googleapps google auth (custom) com.google.android.googleapps.permission.GOOGLE_AUTH
- Grant runtime permissions android.permission.GRANT_RUNTIME_PERMISSIONS
- Home broadcast badge (custom) com.sonyericsson.home.permission.BROADCAST_BADGE
- Home provider insert badge (custom) com.sonymobile.home.permission.PROVIDER_INSERT_BADGE
- Hw access auth service (custom) com.huawei.authentication.HW_ACCESS_AUTH_SERVICE
- In-app purchases (Google Play Billing) com.android.vending.BILLING
- Install packages android.permission.INSTALL_PACKAGES
- Kill background processes android.permission.KILL_BACKGROUND_PROCESSES
- Launcher change badge (custom) com.huawei.android.launcher.permission.CHANGE_BADGE
- Launcher read settings (custom) cn.nubia.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.anddoes.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.android.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.apusapps.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.google.android.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.htc.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.huawei.android.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.mx.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.oppo.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.s.launcher.permission.READ_SETTINGS
- Launcher read settings (custom) com.teslacoilsw.launcher.permission.READ_SETTINGS
- Launcher update badge (custom) com.majeur.launcher.permission.UPDATE_BADGE
- Launcher update count (custom) com.anddoes.launcher.permission.UPDATE_COUNT
- Launcher update shortcut (custom) com.htc.launcher.permission.UPDATE_SHORTCUT
- Launcher write settings (custom) com.android.launcher.permission.WRITE_SETTINGS
- Launcher write settings (custom) com.huawei.android.launcher.permission.WRITE_SETTINGS
- Launcher write settings (custom) com.oppo.launcher.permission.WRITE_SETTINGS
- Launcher2 read settings (custom) com.android.launcher2.permission.READ_SETTINGS
- Launcher2 read settings (custom) com.bbk.launcher2.permission.READ_SETTINGS
- Launcher3 read settings (custom) com.android.launcher3.permission.READ_SETTINGS
- Manage accounts android.permission.MANAGE_ACCOUNTS
- Modify audio settings android.permission.MODIFY_AUDIO_SETTINGS
- Mount unmount filesystems android.permission.MOUNT_UNMOUNT_FILESYSTEMS
- Nfc android.permission.NFC
- Other services (custom) com.google.android.googleapps.permission.GOOGLE_AUTH.OTHER_SERVICES
- Persistent activity android.permission.PERSISTENT_ACTIVITY
- Physical activity recognition com.google.android.gms.permission.ACTIVITY_RECOGNITION
- Playstore read settings (custom) com.actionlauncher.playstore.permission.READ_SETTINGS
- Prevent the device from sleeping android.permission.WAKE_LOCK
- Privacy safe access (custom) com.flatfish.cal.privacy.permission.SAFE_ACCESS
- Read (custom) com.samsung.android.scloud.backup.lib.read
- Read Google service settings com.google.android.providers.gsf.permission.READ_GSERVICES
- Read app badge android.permission.READ_APP_BADGE
- Read cell broadcasts android.permission.READ_CELL_BROADCASTS
- Read clips android.permission.READ_CLIPS
- Read database (custom) com.samsung.svoice.sync.READ_DATABASE
- Read install sessions android.permission.READ_INSTALL_SESSIONS
- Read logs android.permission.READ_LOGS
- Read owner data android.permission.READ_OWNER_DATA
- Read profile android.permission.READ_PROFILE
- Read settings android.permission.READ_SETTINGS
- Read social stream android.permission.READ_SOCIAL_STREAM
- Read sync settings android.permission.READ_SYNC_SETTINGS
- Read sync stats android.permission.READ_SYNC_STATS
- Read user dictionary android.permission.READ_USER_DICTIONARY
- Real get tasks android.permission.REAL_GET_TASKS
- Receive push notifications com.google.android.c2dm.permission.RECEIVE
- Receive user present android.permission.RECEIVE_USER_PRESENT
- Remove home-screen shortcuts com.android.launcher.permission.UNINSTALL_SHORTCUT
- Reorder tasks android.permission.REORDER_TASKS
- Replace existing package android.permission.REPLACE_EXISTING_PACKAGE
- Request ignore battery optimizations android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS
- Restart packages android.permission.RESTART_PACKAGES
- Run at startup android.permission.RECEIVE_BOOT_COMPLETED
- Run foreground services android.permission.FOREGROUND_SERVICE
- Set time android.permission.SET_TIME
- Set time zone android.permission.SET_TIME_ZONE
- Set wallpaper android.permission.SET_WALLPAPER
- Set wallpaper hints android.permission.SET_WALLPAPER_HINTS
- Settings soft reset (custom) com.sec.android.settings.permission.SOFT_RESET
- Shell read settings (custom) com.tsf.shell.permission.READ_SETTINGS
- Subscribed feeds read android.permission.SUBSCRIBED_FEEDS_READ
- Subscribed feeds write android.permission.SUBSCRIBED_FEEDS_WRITE
- System overlay window android.permission.SYSTEM_OVERLAY_WINDOW
- Talk read only (custom) com.google.android.providers.talk.permission.READ_ONLY
- Talk write only (custom) com.google.android.providers.talk.permission.WRITE_ONLY
- Transmit ir android.permission.TRANSMIT_IR
- Update app ops stats android.permission.UPDATE_APP_OPS_STATS
- Use credentials android.permission.USE_CREDENTIALS
- Use fingerprint hardware android.permission.USE_FINGERPRINT
- V2 (custom) com.huawei.permission.sec.MDM.v2
- View Wi-Fi connections android.permission.ACCESS_WIFI_STATE
- View network connections android.permission.ACCESS_NETWORK_STATE
- Voicemail add voicemail (custom) com.android.voicemail.permission.ADD_VOICEMAIL
- Voicemail read write all voicemail (custom) com.android.voicemail.permission.READ_WRITE_ALL_VOICEMAIL
- Write (custom) com.samsung.android.scloud.backup.lib.write
- Write apn settings android.permission.WRITE_APN_SETTINGS
- Write clips android.permission.WRITE_CLIPS
- Write database (custom) com.samsung.svoice.sync.WRITE_DATABASE
- Write media storage android.permission.WRITE_MEDIA_STORAGE
- Write owner data android.permission.WRITE_OWNER_DATA
- Write profile android.permission.WRITE_PROFILE
- Write social stream android.permission.WRITE_SOCIAL_STREAM
- Write sync settings android.permission.WRITE_SYNC_SETTINGS
- Write user dictionary android.permission.WRITE_USER_DICTIONARY
- Youtubeuser (custom) com.google.android.googleapps.permission.GOOGLE_AUTH.YouTubeUser
Required hardware & features
- Bluetooth android.hardware.bluetooth
- Camera android.hardware.camera
- Basic touch input android.hardware.faketouch
- Location android.hardware.location
- Landscape screen android.hardware.screen.landscape
- Portrait screen android.hardware.screen.portrait
- Telephony (SIM) android.hardware.telephony
- Wi-Fi android.hardware.wifi
Calculator Lock – Lock Video & Hide Photo – HideX APK: questions and answers
Can I install this APK over the version I already have?
Only if it is signed with the same certificate as the copy on your phone and isn't an older version. If Android says “App not installed”, the certificates differ; uninstalling your copy first works but deletes its data unless it is backed up.
Is Calculator Lock – Lock Video & Hide Photo – HideX free?
The APK is free to download, but the app offers in-app purchases through Google Play.
Is the Calculator Lock – Lock Video & Hide Photo – HideX APK safe?
No one can promise that a file is safe, but some things can be checked. The source store rates this file Trusted. After downloading, check that the file's MD5 is 199bc92f393ef8cb470197aff6175ff2.
