CertTool vs SSL Checker+

If you want to know a little bit about a X.509 certificate CertTool has you covered. Just select a file in PEM or DER format that contains the certificate and it will show you some details. And if you just want to share the certificate to the app, you can do that as well.

SSL Certificate Monitor keeps your websites safe by tracking SSL/TLS certificate expiry dates and alerting you before it's too late. One-time purchase - no subscription, no hidden fees. Whether you manage one website or dozens, this app gives you instant visibility into certificate health directly from your iPhone. ** FEATURES ** REAL-TIME SSL CHECKING Add any domain and instantly see its certificate status, expiry date, issuer, and days remaining. PUSH NOTIFICATIONS Get alerted before a certificate expires - 7, 14, 30, or 60 days in advance. You set the threshold. DASHBOARD OVERVIEW See at a glance how many domains are valid, expiring soon, or already expired - all in one screen. CHECK HISTORY Every check is logged with date grouping. Spot patterns and verify exactly when an issue started. BACKGROUND REFRESH The app checks certificates automatically in the background - no manual action needed. DARK MODE Full Light and Dark mode support. ** HOW IT WORKS ** 1. Add a domain (e.g. apple.com) 2. The app checks the SSL certificate instantly 3. See the expiry date, issuer, and validity status 4. Enable push notifications to get alerted before expiry ** WHO IS IT FOR? ** - Freelancers and agencies managing client websites - Developers who run their own servers - Business owners who want peace of mind - Anyone who has had a certificate expire unexpectedly ** PRIVACY ** No account required. No ads. No tracking. No subscription. Your domain list stays on your device. Push notification tokens are used solely to deliver expiry alerts. Stop firefighting expired certificates. One-time purchase. Yours forever.