Houstudia Calculator vs Vault Pro

Experience calculating reimagined! Houstudia Calculator solves expressions in real-time as you type, with an intuitive memory system that makes complex calculations effortless. Key Features: Live Results - Watch your calculations solve instantly as you type Smart Memory - Tap any answer to store it, then tap again to reuse it in new expressions Multi-Calculator Tabs - Switch between four color-coded calculators to work on different problems simultaneously without losing your work No More Clearing - Calculate tips, multiply numbers, and find square roots all while keeping your previous results visible Perfect for students, engineers, and anyone who needs a calculator that works as fast as they think!

Vault Pro is a password manager that keeps your vault on your iPhone. There is no account to create, no cloud to sync with and no server anywhere. Your logins, cards, notes and Wi-Fi passwords are encrypted on your device and stay there. HOW IT KEEPS YOUR DATA PRIVATE • Every item is encrypted with AES-256 before it is saved • The encryption key is kept in the iOS Keychain • Your PIN and reset answer are stored only as salted hashes, never as plain text • Vault contents are hidden in the app switcher • The app only goes online to buy or restore Vault Pro through the App Store UNLOCK YOUR WAY • 6-digit master PIN • Face ID unlock • Auto-lock immediately, after 1 minute or after 5 minutes • Repeated wrong attempts are slowed down with a lockout EVERYTHING YOU NEED, NOTHING MORE • Logins, cards, secure notes and Wi-Fi networks • Password generator with adjustable length, numbers and symbols • Strength meter and a "Weak" label on passwords worth replacing • Search and filter by type • Copy to clipboard, with optional clearing after 30 seconds ENCRYPTED BACKUPS • Export your whole vault to a single encrypted file, protected by a backup PIN you choose • Save it wherever you like, then import it after reinstalling or on a new iPhone • A reminder appears when your vault has changes that aren't backed up yet FREE, WITH A ONE-TIME UPGRADE • Free for up to 25 items • Vault Pro unlocks unlimited items with a single purchase • No subscription, no account • Backup export and import are always free FORGOT YOUR PIN? During setup you choose a reset question. If you forget your PIN, answer it on the lock screen to pick a new one. Your items are kept. PLEASE NOTE Vault does not sync or back up automatically. Your vault exists only on your iPhone unless you export a backup. If you delete the app or lose your phone without a backup, your vault cannot be recovered. If you forget your backup PIN, that backup cannot be opened. Privacy policy: https://www.erwinagpasa.com/vault/privacy Support: https://www.erwinagpasa.com/vault/support