Here is the comparison results for the chosen plugins

Plugin nameReally Simple SSLShield Security – Scanners, Security Hardening, Brute Force Protection & Firewall
Version6.0.1216.1.14
AuthorReally Simple PluginsShield Security
Tested upto (WordPress Version)6.1.16.1.1
Required PHP Version7.27.0
Rating
5 star
7941
4 star
80
3 star
14
2 star
10
1 star
47

Total reviews: 8092(100%)

5 star
936
4 star
24
3 star
11
2 star
8
1 star
18

Total reviews: 997(98%)

Resolved issues91 out of 93
97.85%
6 out of 8
75.00%
Active installs

5000000+

60000+

Screenshots
Your Really Simple SSL dashboard - For optimal configuration.The Server Health Check - An in-depth look at your server.New Hardening Features - Fortify your website by minimizing weaknesses.
A top-level dashboard that shows all the important things you need to know at-a-glance.IP Whitelist and Blacklists lets you manage access and blocks on your site with ease.A full audit log lets you see everything that happens on your site and why, and by whom.Track user sessions and monitor who is logged-into your site and what they're doing.Simple, clean options pages that let you configure Shield Security and all its options easily.
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Really Simple SSL VS Shield Security – Scanners, Security Hardening, Brute Force Protection & Firewall