# OpenResty XRay vs CertsCheck

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.

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.

## The numbers

| Metric | OpenResty XRay | CertsCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/certscheck/id6469147491/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Freemium |
| Size | 28 MB | 35 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | 4+ |
| Developer | [OpenResty Inc.](https://appshunter.io/developer/1664322415) | [Yuya Asamura](https://appshunter.io/developer/1184558977) |

## What reviewers say

### OpenResty XRay

[App page](https://appshunter.io/ios/app/openresty-xray/id1664322413)

**Features:** macOS Compatibility

**In-app purchases:** none


### CertsCheck

[App page](https://appshunter.io/ios/app/certscheck/id6469147491)

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.

**Highlights:** Check TLS/SSL certificate contents, Inspect certificate details via URL, Share Extension for browsers, Understand Let's Encrypt certificates, Premium subscription for advanced features

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $1.99 | per month |
| Premium (Yearly) | $19.99 | per year |
| Buy developer a coffee | $1.99 | one-time |


## Frequently asked questions

### Is OpenResty XRay free?

OpenResty XRay is free to download, with no in-app purchases.

### Is CertsCheck free?

CertsCheck is free to download, with in-app purchases available.

### Do OpenResty XRay or CertsCheck have ads?

Neither OpenResty XRay nor CertsCheck shows ads.

### Which is updated more often, OpenResty XRay or CertsCheck?

OpenResty XRay ships an update every 3 weeks, and CertsCheck monthly. Most recently, OpenResty XRay was updated on October 7, 2026 and CertsCheck on October 23, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*