ContactVault Pro vs FormulaPad

ContactVault is your trusted contact backup solution that keeps your data 100% private. No servers, no cloud, no tracking. Your contacts never leave your device. KEY FEATURES: One-Tap Backup - Instantly backup all your contacts with a single tap. Never worry about losing important phone numbers, emails, or addresses again. Multiple Export Formats - Choose between VCF (vCard) for universal compatibility or CSV for spreadsheet editing. Both formats are widely supported across all major platforms. AES-256 Encryption - Protect your backups with military-grade encryption. Set a password and only you can access the encrypted data. Perfect for sensitive contact information. Face ID and Touch ID - Add an extra layer of biometric security to your encrypted backups. Quick and convenient authentication. Backup History - Keep track of all your backups with detailed records including date, format, contact count, and file size. Easily find and manage previous backups. Backup Reminders - Never forget to backup again. Set daily, weekly, or monthly reminders to keep your contacts safe. 100% Local and Private - Your contacts are processed entirely on your device. No data is ever sent to external servers. Zero tracking, zero analytics. Easy Sharing - Share backup files via the iOS share sheet. Send via AirDrop, email, Messages, or save to Files app. HOW IT WORKS: 1. Open ContactVault and grant contact access 2. Choose your preferred format (VCF or CSV) 3. Optionally enable encryption with a password 4. Tap Backup Now - done! Your backup is saved locally and ready to share or store wherever you choose. WHO IS IT FOR? Anyone who wants to protect their contacts from accidental loss. People switching phones who need a reliable backup. Professionals who need encrypted contact exports. Privacy-conscious users who want local-only data processing. ContactVault - because your contacts deserve the best protection.

FormulaPad is a local-first math notebook calculator for iPhone. Type natural formulas, reuse variables, keep calculation history, save useful results as notes, and use practical templates for everyday math. FormulaPad is built for students, teachers, engineers, and anyone who wants calculations to stay organized after the answer appears. Key features: - Natural formula input and scientific functions - Variables such as price = 299 and count = 12 - Calculation history with reuse and favorites - Math notes with title, category, remarks, and result - Templates for percentage, discount, compound interest, BMI, loan payment, average, triangle area, and speed - Unit conversion for length, weight, area, volume, temperature, time, and speed - Simple function plotting for expressions such as x^2 and sin(x) - Local data storage, no account required - FormulaPad Pro is a one-time unlock, not a subscription FormulaPad does not include ads, third-party analytics, tracking, or a custom account system.