# CertsCheck vs KeyAuth LLC

The clearest difference is rating: CertsCheck at 5.0 against KeyAuth LLC's 4.2. CertsCheck also leads on review sentiment (100% vs 60%). KeyAuth LLC's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On price, ratings volume and ads there is nothing between them.

Both are free to download. CertsCheck sells 3 in-app purchases, starting at $1.99 per month. KeyAuth LLC asks for nothing beyond the download.

CertsCheck holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 100% of CertsCheck's written reviews are positive against 60% of KeyAuth LLC's.

## The numbers

| Metric | CertsCheck | KeyAuth LLC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/certscheck/id6469147491/reviews)** | [4.2 (5 ratings)](https://appshunter.io/ios/app/keyauth-llc/id6503321465/reviews) |
| Number of ratings | 4 | **5** |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Freemium | **Free** |
| Size | 36 MB | 13 MB |
| Requires iOS | 18.0 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Yuya Asamura](https://appshunter.io/developer/1184558977) | [Nelson Cybersecurity LLC](https://appshunter.io/developer/1748211623) |

## What reviewers say

### 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 |


### KeyAuth LLC

[App page](https://appshunter.io/ios/app/keyauth-llc/id6503321465)

An open-source authentication system offering cloud-hosted subscription plans. It provides client SDKs for multiple programming languages, facilitating integration into various applications. Connect with the community via Telegram or explore the code on GitHub.

**Highlights:** Open source authentication, Cloud-hosted subscriptions, Client SDKs for C++, C#, Python, Rust, PHP, VB.NET, Telegram community group, GitHub repository available

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CertsCheck free?

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

### Is KeyAuth LLC free?

KeyAuth LLC is free to download, with no in-app purchases.

### Which has better reviews, CertsCheck or KeyAuth LLC?

CertsCheck is rated higher. CertsCheck averages 5.0 out of 5 from 4 ratings, while KeyAuth LLC averages 4.2 from 5 ratings.

### Do CertsCheck or KeyAuth LLC have ads?

Neither CertsCheck nor KeyAuth LLC shows ads.

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