CertsCheck

Yuya Asamura Developer Tools iPhoneiPadiPod touch

CertsCheck is a free Developer Tools app for iPhone and iPad by Yuya Asamura. Rated 5.0/5 from 4 ratings. Requires iOS 18.0. Updated October 27, 2026.

Rating: 5.0; 4 ratings
Price: Free; on the App Store
Size: 36 MB; Age 4+
Updated: Oct 27; 2026 · v1.4.0

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Screenshots

About CertsCheck

CertsCheck is an app that allows you to easily check the contents of TLS/SSL certificates. You can also input the URL and inspect the certificate's details directly using a Share Extension from Safari or your preferred browser app. The majority of sites using Let's Encrypt are not necessarily fraudulent sites!! ******************** CertsCheck Premium - Monthly $1.99 - Yearly $19.99 ******************** Terms of service: https://github.com/nnsnodnb/ssl-certificates-check-ios/wiki/Terms Privacy Policy: https://github.com/nnsnodnb/ssl-certificates-check-ios/wiki/Privacy-Policy Notation based on Japan's Act on Specified Commercial Transactions: https://nnsnodnb.moe/commercial-law/

What’s new

Version 1.4.0 · Updated October 27, 2026

- Added support for entering domains by scanning QR codes. - Premium subscribers can now save and view their search history.

App privacy

The developer, Yuya Asamura, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

Usage Data: Product Interaction, Other Usage Data
Diagnostics: Crash Data

Used for: Analytics

App details

CertsCheck is a free Developer Tools app for iPhone, iPad and iPod touch, developed by Yuya Asamura. It is rated 5.0 out of 5 from 4 ratings on the App Store, requires iOS 18.0 or later and is 36 MB to download. It was first released on October 18, 2023 and last updated on October 27, 2026.

Category: Developer Tools
Rating: 5.0 / 5 (4 ratings)
Price: Free
Version: 1.4.0
Size: 36 MB
Requires: iOS 18.0 or later
Compatibility: iPhone, iPad, iPod touch
Languages: English
Age rating: 4+
Released: October 18, 2023
Last updated: October 27, 2026
Developer: Yuya Asamura

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Alternatives to CertsCheck

Looking for apps like CertsCheck? Here are 6 similar apps on the App Store. The highest rated is SSL Time (5.0/5), and all 6 are free to download.

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