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CertsCheck

CertsCheck

Check TLS/SSL Certificates

4 ratings
3 reviews
🔧 Utilities
🛠️ Developer Tools
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 18, 2023
  • September 11, 2026

Developer

Yuya Asamura
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CertsCheck screenshot #1 for iPhone
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CertsCheck screenshot #3 for iPhone
🧾$1.99
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About

Easily inspect the details of TLS/SSL certificates directly from your browser. This tool helps you understand certificate information, including those from Let's Encrypt, without needing to be a security expert.

✓Check TLS/SSL certificate contents
✓Inspect certificate details via URL
✓Share Extension for browsers
✓Understand Let's Encrypt certificates
✓Premium subscription for advanced features
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What's New in CertsCheck

1.3.0

September 11, 2026

- You can now retrieve certificates from websites with invalid certificates. 1. Expired 2. Self-signed 3. Mismatch - Added support for displaying DC (Domain Component) and emailAddress, although they are rarely displayed. - Fixed an issue where the Common Name (CN) of some certificates was not displayed correctly. - Changed the certificate parsing process. - Updated the design of the search results screen. - Updated libraries.

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Subscription plans

Premium (Monthly)

Enjoy an ad-free experience and access all content.

$1.991 Month
7 Days trial
How to cancel CertsCheck subscription ⁉️
1

In-App Purchases

$1.99

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User reviews

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On Phone Title Page

This type of copy machine could become useful within the next few years. Accessibility and a word that comes to mind 'mutated' streaming decoders that are official. So problem solved. But the mutated operating guides are not able to be read by the service. And it's frowned on for sidekicks to put another persons information to publish. Partner and such, App registration allows more space on your compatibility coupled with your open resource. AO 9/11/2026
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IPhone S12IPhone S12

Dbestcleaningco

Great
D-Best Cleaning CompanyD-Best Cleaning Company

Response from developer

Thank you!

CertsCheck

Excellent
Alexandro PazAlexandro Paz

Response from developer

Thank you!

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FAQ

What is CertsCheck?

CertsCheck is a developer tool that allows you to easily check the contents of TLS/SSL certificates. You can input a URL and inspect the certificate's details directly using a Share Extension from Safari or your preferred browser app.

How much does CertsCheck cost?

CertsCheck is free to download and use. There is an optional 'Premium' subscription available for $1.99 per month or $19.99 per year, offering additional benefits.

What devices does CertsCheck support?

CertsCheck is currently supported on iPhone devices.

How often is CertsCheck updated?

The latest version, 1.2.2, was released on April 2nd, 2026. The app was initially released on October 18th, 2023, suggesting regular updates.

Is CertsCheck suitable for beginners?

Yes, the app is designed for ease of use, allowing users to inspect certificate details without requiring deep technical knowledge. The age rating of 4+ also indicates its accessibility.

Does CertsCheck have ads?

No, CertsCheck does not contain advertisements. The app is free to use and offers an optional premium subscription for enhanced features.

What are the subscription options for CertsCheck Premium?

CertsCheck Premium offers a monthly subscription for $1.99 with a 7-day free trial, and a yearly subscription for $19.99 with a 1-month free trial.

What kind of information can I get from CertsCheck?

You can check the contents of TLS/SSL certificates, including details about their issuer, validity period, and subject. This helps in understanding the security of the connection.