# SSL Certificate Checker

> Check SSL/TLS expiry, issuer, SHA-256, protocol, and cipher quickly in one tap!

Canonical page: [https://chrome-stats.com/d/app.ainfo.ssl.checker](https://chrome-stats.com/d/app.ainfo.ssl.checker)

## Overview

- **ID:** `app.ainfo.ssl.checker`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Chang Yuan-Yi
- **Category:** TOOLS
- **Downloads:** 673
- **Version:** 1.20260715.1232002
- **Last updated:** 2026-07-16
- **First published:** 2026-03-22
- **Publisher country:** TW
- **Size:** 23 MB
- **Data as of:** 2026-09-15
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=app.ainfo.ssl.checker)
- **Website:** [https://www.ainfo.app/ssl-certificate-checker/](https://www.ainfo.app/ssl-certificate-checker/)
- **Privacy policy:** [https://www.ainfo.app/ssl-certificate-checker/privacy/](https://www.ainfo.app/ssl-certificate-checker/privacy/)

## Description

SSL Certificate Checker helps you monitor SSL/TLS certificate health for the websites and services you care about.<br><br>Add one or more targets (hostname + port, default 443), run a check instantly, or scan your whole list in one tap. The app is designed for a quick daily workflow: open, scan, review risk, and act.<br><br>What you can check:<br>- Expiry date and days left<br>- Status classification: OK, Expiring, Expired, Failed<br>- Issuer and subject<br>- SAN (Subject Alternative Name)<br>- Serial number and signature details<br>- SHA-256 certificate fingerprint<br>- SHA-256 public key fingerprint<br>- Negotiated TLS protocol and cipher suite<br><br>Key workflows:<br>- Single target check for immediate troubleshooting<br>- Full list scan for regular maintenance<br>- Saved targets and latest results stored locally on device<br>- Optional periodic background checks (can be turned on/off)<br><br>Built for practical certificate operations:<br>- Quickly identify certificates close to expiration<br>- Compare protocol/cipher negotiation outcomes<br>- Keep a simple watchlist for internal or public endpoints<br>- Generate and review report-style outputs inside the app<br><br>Security perspective for connected-device teams:<br>- Includes TLS protocol and cipher suite visibility to support baseline security reviews<br>- Helps teams spot weak or unexpected negotiated ciphers during routine checks<br>- Useful as an evidence aid for internal security discussions and release readiness<br>- Designed as a practical checker, not a complete legal/compliance assessment tool<br><br>Regulatory context note:<br>- In the EU, RED cybersecurity delegated requirements under Directive 2014/53/EU Article 3(3)(d)(e)(f) apply from August 1, 2025 for covered products<br>- This app can support early HTTPS/TLS posture checks, but it does not certify compliance with RED-DA, EN 18031, or any other regulation/standard on its own<br><br>Privacy and control:<br>- No account is required to start checking<br>- Targets and recent check results are kept locally for your routine usage<br>- Privacy policy and terms are available from within the app<br><br>Current release focus:<br>- Core SSL/TLS checking flow and result parsing are available<br>- Batch checking and retry flow are available<br>- iOS background checks are best-effort (system-scheduled)<br>- Android periodic checks are supported with system scheduling<br>- Multilingual UI foundation is integrated; some languages are still being refined<br><br>This app is suitable for developers, operators, site owners, and anyone who wants a simple way to track certificate validity and TLS configuration from a mobile device.

## Rankings

- #1,284,856 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `app.ainfo.ssl.checker.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

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Source: [Chrome-Stats](https://chrome-stats.com/d/app.ainfo.ssl.checker)