Ghost Auth vs Calculator & Beyond

Ghost Auth keeps your one-time passwords on your device — encrypted with AES-256, stored in your OS keychain, never uploaded. No servers to trust. No sign-up. Just your codes. Security: - AES-256 encrypted local storage - PIN lock with recovery codes - Biometric unlock - Backup & restore with password protection - Encrypted synchronization with iCloud Features: - TOTP codes for any service (Google, GitHub, Discord, etc.) - QR code scanning and manual entry - Import from Google Authenticator and other apps - Device-to-device sync - Browser extension for Chrome and Firefox - 77 languages Privacy: - No account, no cloud, no tracking - Completely offline - Open-source

Calculator & Beyond gives you 106+ purpose-built calculators across 12 categories — plus the tools to actually use your results every day. DASHBOARD Pin any calculator to your home screen and see your latest result without reopening it. Reorder cards freely, swap them out, and get a live snapshot of the numbers that matter to you most. TRACKS Turn your calculations into habits. Log daily values, watch your streaks grow, and see a 7-day trend chart for any goal — weight, savings, distance, water intake, and more. Start from one of 10 ready-made templates or build your own. 106+ CALCULATORS ACROSS 12 CATEGORIES Finance: Compound interest, loan payments, break-even, budget, ROI, and more Health: BMI, calorie intake, macro split, blood pressure, hydration Fitness: Pace, 1RM, TDEE, VO₂ max, workout volume Travel: Currency exchange, time zones, packing weight, fuel cost Home: Mortgage, room area, paint coverage, electricity cost Vehicle: Fuel economy, loan, tyre pressure, depreciation Electronics: Ohm's law, resistor colour, battery life, voltage divider Math: Percentage, ratio, prime check, quadratic, statistics Networking: Subnet, IP CIDR, bandwidth, latency Software: Big-O notation, binary/hex converter, time complexity Fashion: Cost-per-wear, clothing size converter, capsule wardrobe Utility: Unit converter, date difference, number base, currency SAVE & SHARE Every result is stored privately on your device — no account, no cloud, no ads. Export as PDF or CSV and share with anyone. DAILY FACTS A new curated fact every day to keep you sharp. Support for 8 languages: English, Spanish, German, Italian, Japanese, Portuguese, Russian, French Works entirely offline. No sign-up required. Instant results.