Vault is a private finance app that stays on your device. No cloud, no tracking, no bank credentials — your data literally never leaves your iPhone. Built after Mint shut down and every "alternative" asked for Plaid bank logins. That felt backwards. Inside: • Budgets, recurring bills, CSV import • Investment tracking — stocks, crypto, dividends, live prices • Net worth history with monthly snapshots • Multi-currency • On-device receipt scanner • AES-256 encrypted backups you own