CertTool vs SSL Checker
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
CertTool
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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 Checker
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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: โข Monitor multiple domains โข Detect expired and untrusted certificates โข Schedule advance expiration alerts โข Clean, focused interface โ no unnecessary clutter Stay ahead of certificate expiration and prevent unexpected downtime.
Screenshots
Verdict
CertTool and SSL Checker are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CertTool | SSL Checker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | โ |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.6 | 15.6 โ better |
| Further details โ not scored | ||
| Size | 6 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Tim Wilbrink | Tue Nguyen Minh |
In-app purchases
CertTool
No in-app purchases
SSL Checker
No in-app purchases








