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    © 2026 builtbyindies, Inc.

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    Lock It: Calculator Vault

    Looks like a calculator. Opens like a vault.

    Lock It: Calculator Vault

    Lock It: Calculator Vault

    Looks like a calculator. Opens like a vault.

    L
    Lock It team

    Screenshots

    Screenshot 1
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    Freemium
    Mobile App
    Security
    Built with
    AndroidAndroid

    Lock It: Calculator Vault is a calculator that does real math. Type your own secret equation and press =, and it opens a private vault instead. Inside, you can keep photos and videos, notes, passwords and 2FA codes, encrypted with AES-256 on your phone. You can chat and make live video or voice calls with people you invite by key or QR code, and send files up to 1 GB through Encrypted Cloud. Your equation is stored only as a salted hash, so we can't see it, and we can't recover it if you forget it. A local vault works without an account. Free with ads. Premium Pro is $4.99 a month, and Offline Vault is a $9.99 one-time purchase. Android only for now. Search "Lock It: Calculator Vault" on Google Play: https://play.google.com/store/apps/details?id=com.appfactory.calculator&referrer=utm_source%3Dbuiltbyindies%26utm_medium%3Dlisting%26utm_campaign%3Dfree_ads

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