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★★★★★
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CalcSafe Pro is your reliable assistant for daily calculations and secure storage of personal information. On the outside, it looks and works like a standard, stylish calculator. But enter your secret PIN and press = — you unlock a powerful, hidden, encrypted Vault. WHAT YOU CAN STORE IN THE VAULT: - Private photos and images - Videos (up to 60 seconds, compressed automatically) - Voice recordings (up to 100 MB) - Confidential documents and files (up to 500 MB) - Personal notes and important thoughts KEY FEATURES: - Fully Offline & Private. No cloud servers. All data is encrypted and stored exclusively on your device. Only you have access. - On-device Speech-to-Text. Instantly transcribe voice notes into editable text — fully offline. - Perfect Disguise. No one will guess a secure digital vault is hidden behind a calculator. - Screen Protection. Automatic blur when the app goes to background — screenshots and app switcher previews stay clean. - Backup & Restore. Export your encrypted Vault as a single file and import it on any device. The backup stays fully encrypted with your passcode. - Free Calculator. All standard calculator functions are available to everyone, without limits. GETTING STARTED: To initialize your new Vault for the first time, use the code 0000 and press = on the calculator display. You can set your personal 4-7 character code anytime later in Settings. PREMIUM: Explore all Pro Vault features with a 7-day evaluation access, provided as a courtesy when you first set up your Vault. No additional activation is required during this period. After the evaluation ends, continued access to Pro features requires a premium upgrade — available via flexible plan options or a one-time lifetime unlock, directly in the app. Your encrypted data is never deleted. It remains securely on your device and becomes fully available again immediately upon purchase. IMPORTANT! The app operates completely offline. Please remember your secret code — it cannot be restored for security reasons. If you delete and reinstall the app without a backup, the local database will not be recovered.