About
Lock It: Calculator Vault looks and works like an ordinary calculator, but typing your secret equation and pressing = opens a private vault for photos, notes, passwords, 2FA codes, messages and live calls. Media is sealed on-device with AES-256; your equation is stored only as a salted hash. Messages and calls work only with people you invite by key or QR code. Free with ads. Search "Lock It: Calculator Vault" on Google Play.
Exclusive OPC Deal
Free to download on Google Play: the full vault and Messages are free (with ads).
Who it's for
Android users who want a private, hidden vault for photos, notes and 2FA codes
How to redeem
No code needed. 1. Open Google Play and search "Lock It: Calculator Vault" (or use the product link). 2. Tap Install. 3. Set your secret equation and press = to open your vault.
Frequently Asked Questions
What is Lock It: Calculator Vault?
Lock It: Calculator Vault is Looks like a calculator. Opens like a vault. Lock It: Calculator Vault looks and works like an ordinary calculator, but typing your secret equation and pressing = opens a private vault for photos, notes, passwords, 2FA codes, messages and live calls. Media is sealed on-device with AES-256; your equation is stored only as a salted hash. Messages and calls work only with people you invite by key or QR code. Free with ads. Search "Lock It: Calculator Vault" on Google Play.
Who is Lock It: Calculator Vault for?
Android users who want a private, hidden vault for photos, notes and 2FA codes
What's the OPC LaunchPad deal for Lock It: Calculator Vault?
Free to download on Google Play: the full vault and Messages are free (with ads).. The deal is available only to OPC Community members and is not advertised on the public Lock It: Calculator Vault site.
How do I redeem the Lock It: Calculator Vault deal?
Sign in to OPC Community, click the "Claim Deal" button on this page, and you'll see the promo code along with redemption instructions. Specific steps for this deal: No code needed. 1. Open Google Play and search "Lock It: Calculator Vault" (or use the product link). 2. Tap Install. 3. Set your secret equation and press = to open your vault.
Where can I learn more about Lock It: Calculator Vault?
Visit the official Lock It: Calculator Vault website at https://play.google.com/store/apps/details?id=com.appfactory.calculator&referrer=utm_source%3Dopc.community%26utm_medium%3Dlisting%26utm_campaign%3Dfree_ads. The OPC LaunchPad page (this one) covers the community-exclusive deal; the official site has the full product details, pricing, and documentation.