SSL Checker vs CertWarden

SSL Checker is a lightweight monitoring tool designed for system administrators, DevOps engineers, and hosting professionals. Track SSL certificate expiration dates across multiple domains in one place. Instantly see expiry status, certificate issuer, validity period, and receive scheduled alerts before certificates expire. Built for reliability and simplicity: • Monitor multiple domains • Detect expired and untrusted certificates • Schedule advance expiration alerts • Clean, focused interface — no unnecessary clutter Stay ahead of certificate expiration and prevent unexpected downtime.

Stop losing sleep over expired SSL certificates. CertWarden monitors your SSL/TLS certificate expiration dates and warns you before it's too late. Built for developers, DevOps engineers, and anyone managing websites — simple, fast, and private. Add your domains, see their certificate status instantly, and never deal with unexpected downtime from an expired cert again. KEY FEATURES •⁠ ⁠Real-time SSL certificate expiration monitoring •⁠ ⁠Clear visual status — valid, expiring soon, expired •⁠ ⁠Group domains by project, client, or environment •⁠ ⁠Detailed certificate info (issuer, chain, validity dates) •⁠ ⁠Pull-to-refresh and swipe actions •⁠ ⁠Webhook notifications for status changes •⁠ ⁠API access for external integrations •⁠ ⁠Full Dark Mode support •⁠ ⁠100% native iOS — built with SwiftUI NO ACCOUNTS. NO TRACKING. CertWarden doesn't require sign-in or collect personal data. Your domains stay on your device. Period. FREE TIER •⁠ ⁠Monitor up to 5 certificates — free forever •⁠ ⁠Full feature access, no limitations PRO (ONE-TIME PURCHASE) •⁠ ⁠Unlimited domains and groups •⁠ ⁠Webhook notifications with multiple endpoints •⁠ ⁠API access for advanced integrations •⁠ ⁠Priority support •⁠ ⁠Pay once, use forever — no subscriptions WHO IS THIS FOR? •⁠ ⁠DevOps engineers managing dozens of domains •⁠ ⁠Freelancers handling multiple client websites •⁠ ⁠Startup founders who can't afford downtime •⁠ ⁠Sysadmins tired of manual cert tracking •⁠ ⁠Anyone with a website and an SSL certificate An expired SSL certificate means lost visitors, SEO penalties, and broken trust. CertWarden makes sure that never happens. One app. All your certs. Zero surprises.