OpenResty XRay vs CertsCheck
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OpenResty XRay
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OpenResty XRay offers deep and continuous online profiling and monitoring, advanced noninvasive observability, and real-time troubleshooting for your web applications, databases, web servers, and operating systems. Armed with our advanced dynamic tracing technologies, OpenResty XRay treats every running application as a read-only database directly and only collects data truly needed for particular problem types. OpenResty XRay does an intelligent deep analysis of your applications' performance and behaviors and narrows down any problems automatically to the root causes.
CertsCheck
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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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/
Screenshots
Verdict
The clearest difference is in-app purchases: OpenResty XRay at none against CertsCheck's 3. OpenResty XRay also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). On price, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. CertsCheck sells 3 in-app purchases, starting at $1.99 per month. OpenResty XRay asks for nothing beyond the download.
OpenResty XRay ships an update every 3 weeks, CertsCheck monthly. The most recent releases landed on October 7, 2026 and October 23, 2026 respectively.
| Parameter | OpenResty XRay | CertsCheck |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 28 MB | 35 MB |
| Age rating | +4 | 4+ |
| Developer | OpenResty Inc. | Yuya Asamura |
In-app purchases
OpenResty XRay
No in-app purchases
CertsCheck
- Premium (Monthly)7 Days trial$1.991 Month
- Premium (Yearly)1 Month trial$19.991 Year
- Buy developer a coffee$1.99
