Optiexpense — Private Finance Know exactly how much you can spend today. Optiexpense shows a real-time "Safe to Spend" number — your income, minus upcoming bills, minus debt payments, minus a safety buffer. No guessing. No spreadsheets. Everything runs on your iPhone. No account, no sign-in, no tracking, and no subscription. Your financial data never leaves your device, with an optional private backup to your own iCloud.
