Calendar Vault is made and published by Bubblegum Brains. AppBrain is an independent app data site and isn't affiliated with Bubblegum Brains. The app name, icon, screenshots and description belong to Bubblegum Brains and are shown as published on Google Play.
AppBrain's verdict
Niche- Total installs
- 810
- Last updated
- August 27, 2026
Calendar Vault is a niche app, with 810 installs. It doesn't have enough ratings yet to judge what users think.
Installs
Tracked by AppBrain- Last 30 days
- 99
- Play install range
- 500+
- Launched
- April 2026
Installs over time
Calendar Vault has been installed 810 times. Over the past 30 days, it has been installed 99 times.
Rankings
Google Play top chartsGoogle Play Rankings for Calendar Vault
Competitors
Similar apps and more from Bubblegum BrainsAlternatives to Calendar Vault
More from Bubblegum Brains
Releases
Updates seen on Google Play- Version
- 2.0.3
- Launched
- April 2026
User feedback
Ratings and reviews on Google PlayComments on Calendar Vault for Android
We don't have enough comments to show example comments. Please check back later.
Technology
Found in the app by AppBrain- Ads
- Contains ads
- Price
- Free
- Libraries
- 48
- App size
- 19.5 MB
- Needs Android
- 7.0+
- Content rating
- Everyone
Technologies used by Calendar Vault
About the app and developer
About Calendar Vault
Calendar Vault is a tools app developed by Bubblegum Brains.
Install Statistics
Calendar Vault has been installed 810 times. In the last 30 days, the app was installed 99 times.
User Ratings
The app has no ratings yet.
App Information
Calendar Vault is freely available from Google Play. The app size is 19.53 MB. The latest version available is 2.0.3. The last update was on August 27, 2026.
Technical Requirements
Calendar Vault requires Android 7.0+ or higher. The app has a content rating of Everyone. The app has been available on Google Play since April 2026.
App Performance Report
Get a detailed PDF report for Calendar Vault with download trends, rating history, and key performance statistics โ useful for competitive research or tracking your own app. Learn more
Get PDF Report โ $29Developer information for Bubblegum Brains
Store listing
By Bubblegum Brains, from Google Play“Private vault for photos, videos & contacts disguised as a calendar app”
Description by Bubblegum Brains Written by the developer, not by AppBrain. Click to read.
Secure your private photos, videos, contacts, and documents with ease, all within a fully functional calendar app designed to protect your privacy from casual access.This app appears as a normal calendar to protect your vault from casual observers. The calendar is fully functional with real features including events, tasks, and weather information. Perfect for users who value their privacy.
๐ SECURITY FEATURES
• PIN & Fingerprint Authentication - Dual-layer security
• AES-256 Encryption - Military-grade protection for all vault content
• Fake PIN Mode - Optional decoy vault for emergency situations
• Biometric Recovery - Never lose access to your vault
• Local Storage Only - Your data never leaves your device
• No Cloud Backup - Complete control over your privacy
๐ธ VAULT ANYTHING PRIVATELY
• Photos & Videos - Hide sensitive media with one tap
• Contacts - Keep private contacts hidden from contact list
• Documents - Secure PDFs, files, and important documents
• All content is encrypted and accessible only with your PIN
๐ FULLY FUNCTIONAL CALENDAR
• Create Events & Tasks - Real calendar functionality
• Weather Integration - Location-based weather display
• Multiple Views - Day, week, and month layouts
• Clean Interface - Intuitive and easy to use
• Real Calendar Features - Not just a disguise, but genuinely useful
๐ก๏ธ WHY CALENDAR VAULT?
Unlike calculator or file manager disguises that look suspicious, Calendar Vault uses the perfect cover - everyone has a calendar app on their phone. It's the most natural and believable privacy solution.
LEGITIMATE USE CASES:
โ Protect sensitive work documents from personal device access
โ Keep professional and personal life separate
โ Privacy from family members or friends borrowing your phone
โ Secure important files in case of device theft
โ Maintain personal boundaries and digital privacy
โ Store confidential business information securely
โ Protect private photos from accidental sharing
โ Safeguard medical or financial documents
๐ YOUR PRIVACY GUARANTEED
• No Cloud Storage - Everything stays encrypted on your device
• No Data Collection - We don't collect your personal information
• No Ads or Tracking - Pure privacy, no compromises
• No Third-Party Access - Only you can access your vault
• Open Development - Transparent about features and permissions
ADVANCED FEATURES:
FAKE PIN MODE:Create an optional decoy PIN that shows an empty vault. This security feature protects you in coercion scenarios where someone forces you to unlock the app.
BIOMETRIC RECOVERY:
Set up fingerprint recovery with a secret date. If you forget your PIN, tap a specific date 5 times in the calendar to trigger fingerprint authentication.
EXPORT BACKUP:
Export all vault content to a secure folder for backup purposes. Maintain control over your data with manual backup options.
ICON DISGUISE:
Choose from multiple icon styles matching popular OS designs (iOS, One UI, Pixel, MIUI, Oxygen OS, Color OS, EMUI, Windows, Nothing OS, and more). Change the app name to
Calendar, Planner, Agenda, or My Day.
๐ WHAT MAKES US DIFFERENT?
Most vault apps use calculator or file manager disguises that immediately look suspicious. Calendar Vault provides the most believable cover while delivering a fully functional calendar app. You get real utility plus complete privacy protection.
๐ฑ HOW IT WORKS
1. Download and install Calendar Vault
2. Complete quick onboarding
3. Set your secure PIN (4-9 digits)
4. Start vaulting photos, videos, contacts, and documents
5. Use the calendar for normal scheduling
6. Your vault stays hidden behind the functional calendar
๐ SUPPORT & PRIVACY
• Privacy Policy: Available in-app (Settings → Privacy Policy)
• Terms & Conditions: Available in-app (Settings → Terms & Conditions)
• Developer: MammothDevs
• Email: mammothdevs@gmail.com
Recent changes:
Bug fixes