https://tube.xy-space.de/videos/watch/441f67a6-4357-4709-90ce-858874f3b6da Lock It: Calculator Vault is an Android app that looks and works like a normal calculator. Type your own secret equation and press = to open a private vault behind it. This short clip walks through the real app screens: the calculator front door, the vault home, the on-device AES-256 security view, and private messages. Inside the vault you can keep notes, photos, passwords and 2FA keys, plus private messages and calls. Pricing: free with ads. Premium Pro is $4.99/month, and Offline Vault is a $9.99 one-time purchase. Search "Lock It: Calculator Vault" on Google Play, or open: https://play.google.com/store/apps/details?id=com.appfactory.calculator&referrer=utm_source%3Dxy-space%26utm_medium%3Dlisting%26utm_campaign%3Dfree_ads Uploaded by the app's developer. This description was written with AI help. Sat, 17 Oct 2026 22:31:53 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://tube.xy-space.de https://tube.xy-space.de/lazy-static/avatars/68a2a05c-edd4-4a7c-8474-8282e17c600b.jpg https://tube.xy-space.de/videos/watch/441f67a6-4357-4709-90ce-858874f3b6da All rights reserved, unless otherwise specified in the terms specified at https://tube.xy-space.de/about and potential licenses granted by each content's rightholder.